ID

VAR-201609-0593

CVE

CVE-2016-6304

TITLE

OpenSSL CVE-2016-6304 Denial of Service Vulnerability

DESCRIPTION

Multiple memory leaks in t1_lib.c in OpenSSL before 1.0.1u, 1.0.2 before 1.0.2i, and 1.1.0 before 1.1.0a allow remote attackers to cause a denial of service (memory consumption) via large OCSP Status Request extensions. OpenSSL is prone to denial-of-service vulnerability. An attacker may exploit this issue to cause a denial-of-service condition. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ===================================================================== Red Hat Security Advisory Synopsis: Important: Red Hat JBoss Core Services Apache HTTP Server 2.4.23 Service Pack 1 for RHEL 7 Advisory ID: RHSA-2017:1413-01 Product: Red Hat JBoss Core Services Advisory URL: https://access.redhat.com/errata/RHSA-2017:1413 Issue date: 2017-06-07 CVE Names: CVE-2016-0736 CVE-2016-2161 CVE-2016-6304 CVE-2016-7056 CVE-2016-8610 CVE-2016-8740 CVE-2016-8743 ===================================================================== 1. Summary: An update is now available for Red Hat JBoss Core Services on RHEL 7. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. 2. Relevant releases/architectures: Red Hat JBoss Core Services on RHEL 7 Server - noarch, ppc64, x86_64 3. Description: Red Hat JBoss Core Services is a set of supplementary software for Red Hat JBoss middleware products. This software, such as Apache HTTP Server, is common to multiple JBoss middleware products, and is packaged under Red Hat JBoss Core Services to allow for faster distribution of updates, and for a more consistent update experience. This release of Red Hat JBoss Core Services Apache HTTP Server 2.4.23 Service Pack 1 serves as a replacement for Red Hat JBoss Core Services Apache HTTP Server 2.4.23, and includes bug fixes, which are documented in the Release Notes document linked to in the References. (CVE-2016-6304) * It was discovered that the mod_session_crypto module of httpd did not use any mechanisms to verify integrity of the encrypted session data stored in the user's browser. A remote attacker could use this flaw to decrypt and modify session data using a padding oracle attack. (CVE-2016-0736) * It was discovered that the mod_auth_digest module of httpd did not properly check for memory allocation failures. A remote attacker could use this flaw to cause httpd child processes to repeatedly crash if the server used HTTP digest authentication. (CVE-2016-2161) * A timing attack flaw was found in OpenSSL that could allow a malicious user with local access to recover ECDSA P-256 private keys. (CVE-2016-7056) * A denial of service flaw was found in the way the TLS/SSL protocol defined processing of ALERT packets during a connection handshake. A remote attacker could use this flaw to make a TLS/SSL server consume an excessive amount of CPU and fail to accept connections from other clients. (CVE-2016-8610) * It was discovered that the HTTP parser in httpd incorrectly allowed certain characters not permitted by the HTTP protocol specification to appear unencoded in HTTP request headers. If httpd was used in conjunction with a proxy or backend server that interpreted those characters differently, a remote attacker could possibly use this flaw to inject data into HTTP responses, resulting in proxy cache poisoning. (CVE-2016-8743) * A vulnerability was found in httpd's handling of the LimitRequestFields directive in mod_http2, affecting servers with HTTP/2 enabled. An attacker could send crafted requests with headers larger than the server's available memory, causing httpd to crash. (CVE-2016-8740) Red Hat would like to thank the OpenSSL project for reporting CVE-2016-6304 and Shi Lei (Gear Team of Qihoo 360 Inc.) for reporting CVE-2016-8610. Upstream acknowledges Shi Lei (Gear Team of Qihoo 360 Inc.) as the original reporter of CVE-2016-6304. 4. Solution: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 For the update to take effect, all services linked to the OpenSSL library must be restarted, or the system rebooted. After installing the updated packages, the httpd daemon will be restarted automatically. 5. Bugs fixed (https://bugzilla.redhat.com/): 1377600 - CVE-2016-6304 openssl: OCSP Status Request extension unbounded memory growth 1384743 - CVE-2016-8610 SSL/TLS: Malformed plain-text ALERT packets could cause remote DoS 1401528 - CVE-2016-8740 httpd: Incomplete handling of LimitRequestFields directive in mod_http2 1406744 - CVE-2016-0736 httpd: Padding Oracle in Apache mod_session_crypto 1406753 - CVE-2016-2161 httpd: DoS vulnerability in mod_auth_digest 1406822 - CVE-2016-8743 httpd: Apache HTTP Request Parsing Whitespace Defects 1412120 - CVE-2016-7056 openssl: ECDSA P-256 timing attack key recovery 6. JIRA issues fixed (https://issues.jboss.org/): JBCS-319 - Errata for httpd 2.4.23 SP1 RHEL 7 7. Package List: Red Hat JBoss Core Services on RHEL 7 Server: Source: jbcs-httpd24-httpd-2.4.23-120.jbcs.el7.src.rpm jbcs-httpd24-mod_security-2.9.1-19.GA.jbcs.el7.src.rpm jbcs-httpd24-openssl-1.0.2h-13.jbcs.el7.src.rpm noarch: jbcs-httpd24-httpd-manual-2.4.23-120.jbcs.el7.noarch.rpm ppc64: jbcs-httpd24-httpd-2.4.23-120.jbcs.el7.ppc64.rpm jbcs-httpd24-httpd-debuginfo-2.4.23-120.jbcs.el7.ppc64.rpm jbcs-httpd24-httpd-devel-2.4.23-120.jbcs.el7.ppc64.rpm jbcs-httpd24-httpd-libs-2.4.23-120.jbcs.el7.ppc64.rpm jbcs-httpd24-httpd-selinux-2.4.23-120.jbcs.el7.ppc64.rpm jbcs-httpd24-httpd-tools-2.4.23-120.jbcs.el7.ppc64.rpm jbcs-httpd24-mod_ldap-2.4.23-120.jbcs.el7.ppc64.rpm jbcs-httpd24-mod_proxy_html-2.4.23-120.jbcs.el7.ppc64.rpm jbcs-httpd24-mod_security-2.9.1-19.GA.jbcs.el7.ppc64.rpm jbcs-httpd24-mod_security-debuginfo-2.9.1-19.GA.jbcs.el7.ppc64.rpm jbcs-httpd24-mod_session-2.4.23-120.jbcs.el7.ppc64.rpm jbcs-httpd24-mod_ssl-2.4.23-120.jbcs.el7.ppc64.rpm jbcs-httpd24-openssl-1.0.2h-13.jbcs.el7.ppc64.rpm jbcs-httpd24-openssl-debuginfo-1.0.2h-13.jbcs.el7.ppc64.rpm jbcs-httpd24-openssl-devel-1.0.2h-13.jbcs.el7.ppc64.rpm jbcs-httpd24-openssl-libs-1.0.2h-13.jbcs.el7.ppc64.rpm jbcs-httpd24-openssl-perl-1.0.2h-13.jbcs.el7.ppc64.rpm jbcs-httpd24-openssl-static-1.0.2h-13.jbcs.el7.ppc64.rpm x86_64: jbcs-httpd24-httpd-2.4.23-120.jbcs.el7.x86_64.rpm jbcs-httpd24-httpd-debuginfo-2.4.23-120.jbcs.el7.x86_64.rpm jbcs-httpd24-httpd-devel-2.4.23-120.jbcs.el7.x86_64.rpm jbcs-httpd24-httpd-libs-2.4.23-120.jbcs.el7.x86_64.rpm jbcs-httpd24-httpd-selinux-2.4.23-120.jbcs.el7.x86_64.rpm jbcs-httpd24-httpd-tools-2.4.23-120.jbcs.el7.x86_64.rpm jbcs-httpd24-mod_ldap-2.4.23-120.jbcs.el7.x86_64.rpm jbcs-httpd24-mod_proxy_html-2.4.23-120.jbcs.el7.x86_64.rpm jbcs-httpd24-mod_security-2.9.1-19.GA.jbcs.el7.x86_64.rpm jbcs-httpd24-mod_security-debuginfo-2.9.1-19.GA.jbcs.el7.x86_64.rpm jbcs-httpd24-mod_session-2.4.23-120.jbcs.el7.x86_64.rpm jbcs-httpd24-mod_ssl-2.4.23-120.jbcs.el7.x86_64.rpm jbcs-httpd24-openssl-1.0.2h-13.jbcs.el7.x86_64.rpm jbcs-httpd24-openssl-debuginfo-1.0.2h-13.jbcs.el7.x86_64.rpm jbcs-httpd24-openssl-devel-1.0.2h-13.jbcs.el7.x86_64.rpm jbcs-httpd24-openssl-libs-1.0.2h-13.jbcs.el7.x86_64.rpm jbcs-httpd24-openssl-perl-1.0.2h-13.jbcs.el7.x86_64.rpm jbcs-httpd24-openssl-static-1.0.2h-13.jbcs.el7.x86_64.rpm These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/ 8. References: https://access.redhat.com/security/cve/CVE-2016-0736 https://access.redhat.com/security/cve/CVE-2016-2161 https://access.redhat.com/security/cve/CVE-2016-6304 https://access.redhat.com/security/cve/CVE-2016-7056 https://access.redhat.com/security/cve/CVE-2016-8610 https://access.redhat.com/security/cve/CVE-2016-8740 https://access.redhat.com/security/cve/CVE-2016-8743 https://access.redhat.com/security/updates/classification/#important https://access.redhat.com/documentation/en/red-hat-jboss-core-services/ 9. Contact: The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2017 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iD8DBQFZOEFDXlSAg2UNWIIRAkmJAJ4vtOF2J+v5N45Dg4fckgqFa+L96wCfVBp2 JFT0GtD56HPD72nOXhIXyG8= =7n2G -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce . Description: OpenSSL is a toolkit that implements the Secure Sockets Layer (SSL) and Transport Layer Security (TLS) protocols, as well as a full-strength general-purpose cryptography library. Apache Tomcat is a servlet container for the Java Servlet and JavaServer Pages (JSP) technologies. The updates are documented in the Release Notes document linked to in the References. If sendfile processing completed quickly, it was possible for the Processor to be added to the processor cache twice. This could lead to invalid responses or information disclosure. (CVE-2017-5647) * A vulnerability was discovered in the error page mechanism in Tomcat's DefaultServlet implementation. A crafted HTTP request could cause undesired side effects, possibly including the removal or replacement of the custom error page. Solution: Before applying the update, back up your existing Red Hat JBoss Web Server installation (including all applications and configuration files). -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 APPLE-SA-2016-12-13-1 macOS 10.12.2 macOS 10.12.2 is now available and addresses the following: apache_mod_php Available for: macOS Sierra 10.12.1 Impact: A remote attacker may cause an unexpected application termination or arbitrary code execution Description: Multiple issues existed in PHP before 5.6.26. These were addressed by updating PHP to version 5.6.26. CVE-2016-7411 CVE-2016-7412 CVE-2016-7413 CVE-2016-7414 CVE-2016-7416 CVE-2016-7417 CVE-2016-7418 AppleGraphicsPowerManagement Available for: macOS Sierra 10.12.1 Impact: A local user may be able to cause a system denial of service Description: A null pointer dereference was addressed through improved input validation. CVE-2016-7609: daybreaker@Minionz working with Trend Micro's Zero Day Initiative Assets Available for: macOS Sierra 10.12.1 Impact: A local attacker may modify downloaded mobile assets Description: A permissions issue existed in mobile assets. This issue was addressed through improved access restrictions. CVE-2016-7628: an anonymous researcher Audio Available for: macOS Sierra 10.12.1 Impact: Processing a maliciously crafted file may lead to arbitrary code execution Description: A memory corruption issue was addressed through improved input validation. CVE-2016-7658: Haohao Kong of Keen Lab (@keen_lab) of Tencent CVE-2016-7659: Haohao Kong of Keen Lab (@keen_lab) of Tencent Bluetooth Available for: macOS Sierra 10.12.1, OS X El Capitan v10.11.6, and OS X Yosemite v10.10.5 Impact: An application may be able to execute arbitrary code with kernel privileges Description: A memory corruption issue was addressed through improved memory handling. CVE-2016-7596: Pekka Oikarainen, Matias Karhumaa and Marko Laakso of Synopsys Software Integrity Group Bluetooth Available for: macOS Sierra 10.12.1 Impact: An application may be able to cause a denial of service Description: A null pointer dereference was addressed through improved input validation. CVE-2016-7605: daybreaker of Minionz Bluetooth Available for: macOS Sierra 10.12.1 Impact: An application may be able to execute arbitrary code with system privileges Description: A type confusion issue was addressed through improved memory handling. CVE-2016-7617: Radu Motspan working with Trend Micro's Zero Day Initiative, Ian Beer of Google Project Zero CoreCapture Available for: macOS Sierra 10.12.1 and OS X El Capitan v10.11.6 Impact: A local user may be able to cause a system denial of service Description: A null pointer dereference was addressed through improved state management. CVE-2016-7604: daybreaker of Minionz CoreFoundation Available for: macOS Sierra 10.12.1 Impact: Processing malicious strings may lead to an unexpected application termination or arbitrary code execution Description: A memory corruption issue existed in the processing of strings. This issue was addressed through improved bounds checking. CVE-2016-7663: an anonymous researcher CoreGraphics Available for: macOS Sierra 10.12.1 Impact: Processing a maliciously crafted font file may lead to unexpected application termination Description: A null pointer dereference was addressed through improved input validation. CVE-2016-7627: TRAPMINE Inc. & Meysam Firouzi @R00tkitSMM CoreMedia External Displays Available for: macOS Sierra 10.12.1 Impact: A local application may be able to execute arbitrary code in the context of the mediaserver daemon Description: A type confusion issue was addressed through improved memory handling. CVE-2016-7655: Keen Lab working with Trend Micro's Zero Day Initiative CoreMedia Playback Available for: macOS Sierra 10.12.1 Impact: Processing a maliciously crafted .mp4 file may lead to arbitrary code execution Description: A memory corruption issue was addressed through improved memory handling. CVE-2016-7588: dragonltx of Huawei 2012 Laboratories CoreStorage Available for: macOS Sierra 10.12.1 Impact: A local user may be able to cause a system denial of service Description: A null pointer dereference was addressed through improved input validation. CVE-2016-7603: daybreaker@Minionz working with Trend Micro's Zero Day Initiative CoreText Available for: macOS Sierra 10.12.1 Impact: Processing a maliciously crafted font file may lead to arbitrary code execution Description: Multiple memory corruption issues existed in the handling of font files. These issues were addressed through improved bounds checking. CVE-2016-7595: riusksk(ae3aY=) of Tencent Security Platform Department curl Available for: macOS Sierra 10.12.1 Impact: An attacker in a privileged network position may be able to leak sensitive user information Description: Multiple issues existed in curl. These issues were addressed by updating to curl version 7.51.0. CVE-2016-5419 CVE-2016-5420 CVE-2016-5421 CVE-2016-7141 CVE-2016-7167 CVE-2016-8615 CVE-2016-8616 CVE-2016-8617 CVE-2016-8618 CVE-2016-8619 CVE-2016-8620 CVE-2016-8621 CVE-2016-8622 CVE-2016-8623 CVE-2016-8624 CVE-2016-8625 Directory Services Available for: macOS Sierra 10.12.1 Impact: A local user may be able to gain root privileges Description: A use after free issue was addressed through improved memory management. CVE-2016-7633: Ian Beer of Google Project Zero Disk Images Available for: macOS Sierra 10.12.1 Impact: An application may be able to execute arbitrary code with kernel privileges Description: A memory corruption issue was addressed through improved input validation. CVE-2016-7616: daybreaker@Minionz working with Trend Micro's Zero Day Initiative FontParser Available for: macOS Sierra 10.12.1 Impact: Processing a maliciously crafted font file may lead to arbitrary code execution Description: Multiple memory corruption issues existed in the handling of font files. These issues were addressed through improved bounds checking. CVE-2016-4691: riusksk(ae3aY=) of Tencent Security Platform Department FontParser Available for: macOS Sierra 10.12.1 Impact: Processing a maliciously crafted font file may lead to arbitrary code execution Description: A buffer overflow existed in the handling of font files. This issue was addressed through improved bounds checking. CVE-2016-4688: Simon Huang of Alipay company, thelongestusernameofall@gmail.com Foundation Available for: macOS Sierra 10.12.1 Impact: Opening a maliciously crafted .gcx file may lead to unexpected application termination or arbitrary code execution Description: A memory corruption issue was addressed through improved input validation. CVE-2016-7618: riusksk(ae3aY=) of Tencent Security Platform Department Grapher Available for: macOS Sierra 10.12.1 Impact: Opening a maliciously crafted .gcx file may lead to unexpected application termination or arbitrary code execution Description: A memory corruption issue was addressed through improved input validation. CVE-2016-7622: riusksk(ae3aY=) of Tencent Security Platform Department ICU Available for: macOS Sierra 10.12.1 Impact: Processing maliciously crafted web content may lead to arbitrary code execution Description: A memory corruption issue was addressed through improved memory handling. CVE-2016-7594: AndrA(c) Bargull ImageIO Available for: macOS Sierra 10.12.1 Impact: A remote attacker may be able to leak memory Description: An out-of-bounds read was addressed through improved bounds checking. CVE-2016-7643: Yangkang (@dnpushme) of Qihoo360 Qex Team Intel Graphics Driver Available for: macOS Sierra 10.12.1 Impact: An application may be able to execute arbitrary code with kernel privileges Description: A memory corruption issue was addressed through improved input validation. CVE-2016-7602: daybreaker@Minionz working with Trend Micro's Zero Day Initiative IOAcceleratorFamily Available for: macOS Sierra 10.12.1 Impact: A local user may be able to determine kernel memory layout Description: A shared memory issue was addressed through improved memory handling. CVE-2016-7624 : Qidan He (@flanker_hqd) from KeenLab working with Trend Micro's Zero Day Initiative IOFireWireFamily Available for: macOS Sierra 10.12.1 Impact: A local attacker may be able to read kernel memory Description: A memory corruption issue was addressed through improved memory handling. CVE-2016-7608: Brandon Azad IOHIDFamily Available for: macOS Sierra 10.12.1 Impact: An application may be able to execute arbitrary code with kernel privileges Description: A memory corruption issue was addressed through improved memory handling. CVE-2016-1823: Ian Beer of Google Project Zero IOHIDFamily Available for: macOS Sierra 10.12.1 Impact: A local application with system privileges may be able to execute arbitrary code with kernel privileges Description: A use after free issue was addressed through improved memory management. CVE-2016-7591: daybreaker of Minionz IOKit Available for: macOS Sierra 10.12.1 Impact: A local user may be able to determine kernel memory layout Description: A shared memory issue was addressed through improved memory handling. CVE-2016-7625: Qidan He (@flanker_hqd) from KeenLab working with Trend Micro's Zero Day Initiative IOKit Available for: macOS Sierra 10.12.1 Impact: An application may be able to read kernel memory Description: A memory corruption issue was addressed through improved input validation. CVE-2016-7657: Keen Lab working with Trend Micro's Zero Day Initiative IOSurface Available for: macOS Sierra 10.12.1 Impact: A local user may be able to determine kernel memory layout Description: A shared memory issue was addressed through improved memory handling. CVE-2016-7620: Qidan He (@flanker_hqd) from KeenLab working with Trend Micro's Zero Day Initiative Kernel Available for: macOS Sierra 10.12.1 Impact: An application may be able to execute arbitrary code with kernel privileges Description: Multiple memory corruption issues were addressed through improved input validation. CVE-2016-7606: @cocoahuke, Chen Qin of Topsec Alpha Team (topsec.com) CVE-2016-7612: Ian Beer of Google Project Zero Kernel Available for: macOS Sierra 10.12.1 Impact: An application may be able to read kernel memory Description: An insufficient initialization issue was addressed by properly initializing memory returned to user space. CVE-2016-7607: Brandon Azad Kernel Available for: macOS Sierra 10.12.1 Impact: A local user may be able to cause a system denial of service Description: A denial of service issue was addressed through improved memory handling. CVE-2016-7615: The UK's National Cyber Security Centre (NCSC) Kernel Available for: macOS Sierra 10.12.1 Impact: A local user may be able to cause an unexpected system termination or arbitrary code execution in the kernel Description: A use after free issue was addressed through improved memory management. CVE-2016-7621: Ian Beer of Google Project Zero Kernel Available for: macOS Sierra 10.12.1 Impact: A local user may be able to gain root privileges Description: A memory corruption issue was addressed through improved input validation. CVE-2016-7637: Ian Beer of Google Project Zero Kernel Available for: macOS Sierra 10.12.1 Impact: A local application with system privileges may be able to execute arbitrary code with kernel privileges Description: A use after free issue was addressed through improved memory management. CVE-2016-7644: Ian Beer of Google Project Zero kext tools Available for: macOS Sierra 10.12.1 Impact: An application may be able to execute arbitrary code with kernel privileges Description: A memory corruption issue was addressed through improved input validation. CVE-2016-7629: @cocoahuke libarchive Available for: macOS Sierra 10.12.1 Impact: A local attacker may be able to overwrite existing files Description: A validation issue existed in the handling of symlinks. This issue was addressed through improved validation of symlinks. CVE-2016-7619: an anonymous researcher LibreSSL Available for: macOS Sierra 10.12.1 and OS X El Capitan v10.11.6 Impact: An attacker with a privileged network position may be able to cause a denial of service Description: A denial of service issue in unbounded OCSP growth was addressed through improved memory handling. CVE-2016-6304 OpenLDAP Available for: macOS Sierra 10.12.1 Impact: An attacker may be able to exploit weaknesses in the RC4 cryptographic algorithm Description: RC4 was removed as a default cipher. CVE-2016-1777: Pepi Zawodsky OpenPAM Available for: macOS Sierra 10.12.1 Impact: A local unprivileged user may gain access to privileged applications Description: PAM authentication within sandboxed applications failed insecurely. This was addressed with improved error handling. CVE-2016-7600: Perette Barella of DeviousFish.com OpenSSL Available for: macOS Sierra 10.12.1 Impact: An application may be able to execute arbitrary code Description: An overflow issue existed in MDC2_Update(). This issue was addressed through improved input validation. CVE-2016-6303 OpenSSL Available for: macOS Sierra 10.12.1 Impact: An attacker with a privileged network position may be able to cause a denial of service Description: A denial of service issue in unbounded OCSP growth was addressed through improved memory handling. CVE-2016-6304 Power Management Available for: macOS Sierra 10.12.1 Impact: A local user may be able to gain root privileges Description: An issue in mach port name references was addressed through improved validation. CVE-2016-7661: Ian Beer of Google Project Zero Security Available for: macOS Sierra 10.12.1 Impact: An attacker may be able to exploit weaknesses in the 3DES cryptographic algorithm Description: 3DES was removed as a default cipher. CVE-2016-4693: GaA<<tan Leurent and Karthikeyan Bhargavan from INRIA Paris Security Available for: macOS Sierra 10.12.1 Impact: An attacker in a privileged network position may be able to cause a denial of service Description: A validation issue existed in the handling of OCSP responder URLs. This issue was addressed by verifying OCSP revocation status after CA validation and limiting the number of OCSP requests per certificate. CVE-2016-7636: Maksymilian Arciemowicz (cxsecurity.com) Security Available for: macOS Sierra 10.12.1 Impact: Certificates may be unexpectedly evaluated as trusted Description: A certificate evaluation issue existed in certificate validation. This issue was addressed through additional validation of certificates. CVE-2016-7662: Apple syslog Available for: macOS Sierra 10.12.1 Impact: A local user may be able to gain root privileges Description: An issue in mach port name references was addressed through improved validation. CVE-2016-7660: Ian Beer of Google Project Zero macOS 10.12.2 may be obtained from the Mac App Store or Apple's Software Downloads web site: https://www.apple.com/support/downloads/ Information will also be posted to the Apple Security Updates web site: https://support.apple.com/kb/HT201222 This message is signed with Apple's Product Security PGP key, and details are available at: https://www.apple.com/support/security/pgp/ -----BEGIN PGP SIGNATURE----- Comment: GPGTools - https://gpgtools.org iQIcBAEBCgAGBQJYT7LKAAoJEIOj74w0bLRGfKwQAN3nnwHgJNE+obIjTzpTHLlh mMQYstsO8Mcj4hjIgTCHuQr1tDldva0IZEivoYAbyXAgM9xKlIbpqBQ5TE94l3nl xTTeVqtozCCdRT36mphvwhPEp38lvclUU1IGxyvP6ieK0dHUKS8LhL9MpnaOinrX UhSiXkMs9tTZI5SgkumzBmg10oOwDnMvZDrwTcxe9vjU26V9S7+VpfsguefwDSLE fHYX4KksoEUZuDdUBrfX2+03QbqYxBjQR9IRdpcX56laq1TGUMTKwkTi9DxJlByP SJl3uvVhqWf1UkYH6x5N/gC9lXq5QO6L7W3W2rRqTtgr2UMPZsBuf0srK/lFmPvC c63thvcZyPk0cDcE7k0ZmlJx+7ihFIiPKdGwLoX5Rl6Zr29Wh9aGKhzUUYO12PUh +x18HRwXxvSv9TXAUYQu5hD48SuhUiMEBO8Qq7Z8XPFEUSJXY2AjGjai9mJYNfC4 OELKPPvYnNSd3m8YGvWY8gWgwyRP0es6U3d5rGatEpA1qcIFmUrHFhpvveL6SRSY xPQgjB/aohg/fDf3jDO1kjR7+v83B+ObbCr8MOgqGNtG3GqOimMOa8XuSMbV7+3u 0kivBY8fxYdBy0pXDdBgv+AHaTue+wgP5tQXFiAxm61Fv+uz/yvR22uaJ39P5cJf msyz+/zQNISkly6K0VBO =0QW0 -----END PGP SIGNATURE----- . -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 - ------------------------------------------------------------------------- Debian Security Advisory DSA-3673-1 security@debian.org https://www.debian.org/security/ Moritz Muehlenhoff September 22, 2016 https://www.debian.org/security/faq - ------------------------------------------------------------------------- Package : openssl CVE ID : CVE-2016-2177 CVE-2016-2178 CVE-2016-2179 CVE-2016-2180 CVE-2016-2181 CVE-2016-2182 CVE-2016-2183 CVE-2016-6302 CVE-2016-6303 CVE-2016-6304 CVE-2016-6306 Several vulnerabilities were discovered in OpenSSL: CVE-2016-2177 Guido Vranken discovered that OpenSSL uses undefined pointer arithmetic. Additional information can be found at https://www.openssl.org/blog/blog/2016/06/27/undefined-pointer-arithmetic/ CVE-2016-2178 Cesar Pereida, Billy Brumley and Yuval Yarom discovered a timing leak in the DSA code. CVE-2016-2179 / CVE-2016-2181 Quan Luo and the OCAP audit team discovered denial of service vulnerabilities in DTLS. CVE-2016-2180 / CVE-2016-2182 / CVE-2016-6303 Shi Lei discovered an out-of-bounds memory read in TS_OBJ_print_bio() and an out-of-bounds write in BN_bn2dec() and MDC2_Update(). CVE-2016-2183 DES-based cipher suites are demoted from the HIGH group to MEDIUM as a mitigation for the SWEET32 attack. CVE-2016-6302 Shi Lei discovered that the use of SHA512 in TLS session tickets is susceptible to denial of service. CVE-2016-6306 Shi Lei discovered that missing message length validation when parsing certificates may potentially result in denial of service. For the stable distribution (jessie), these problems have been fixed in version 1.0.1t-1+deb8u4. For the unstable distribution (sid), these problems will be fixed soon. We recommend that you upgrade your openssl packages. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 201612-16 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - https://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: OpenSSL: Multiple vulnerabilities Date: December 07, 2016 Bugs: #581234, #585142, #585276, #591454, #592068, #592074, #592082, #594500, #595186 ID: 201612-16 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== Multiple vulnerabilities have been found in OpenSSL, the worst of which allows attackers to conduct a time based side-channel attack. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 dev-libs/openssl < 1.0.2j >= 1.0.2j Description =========== Multiple vulnerabilities have been discovered in OpenSSL. Please review the CVE identifiers and the International Association for Cryptologic Research's (IACR) paper, "Make Sure DSA Signing Exponentiations Really are Constant-Time" for further details. Workaround ========== There is no known workaround at this time. Resolution ========== All OpenSSL users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=dev-libs/openssl-1.0.2j" References ========== [ 1 ] CVE-2016-2105 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2105 [ 2 ] CVE-2016-2106 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2106 [ 3 ] CVE-2016-2107 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2107 [ 4 ] CVE-2016-2108 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2108 [ 5 ] CVE-2016-2109 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2109 [ 6 ] CVE-2016-2176 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2176 [ 7 ] CVE-2016-2177 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2177 [ 8 ] CVE-2016-2178 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2178 [ 9 ] CVE-2016-2180 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2180 [ 10 ] CVE-2016-2183 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2183 [ 11 ] CVE-2016-6304 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-6304 [ 12 ] CVE-2016-6305 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-6305 [ 13 ] CVE-2016-6306 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-6306 [ 14 ] CVE-2016-7052 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-7052 [ 15 ] Make Sure DSA Signing Exponentiations Really are Constant-Time http://eprint.iacr.org/2016/594.pdf Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201612-16 Concerns? ========= Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org. License ======= Copyright 2016 Gentoo Foundation, Inc; referenced text belongs to its owner(s). The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license. http://creativecommons.org/licenses/by-sa/2.5 . The References section of this erratum contains a download link (you must log in to download the update)

AFFECTED PRODUCTS