ID

VAR-201609-0569

CVE

CVE-2016-6921

TITLE

Adobe Flash Player Vulnerable to arbitrary code execution

DESCRIPTION

Use-after-free vulnerability in Adobe Flash Player before 18.0.0.375 and 19.x through 23.x before 23.0.0.162 on Windows and OS X and before 11.2.202.635 on Linux allows attackers to execute arbitrary code via unspecified vectors, a different vulnerability than CVE-2016-4272, CVE-2016-4279, CVE-2016-6923, CVE-2016-6925, CVE-2016-6926, CVE-2016-6927, CVE-2016-6929, CVE-2016-6930, CVE-2016-6931, and CVE-2016-6932. This vulnerability CVE-2016-4272 , CVE-2016-4279 , CVE-2016-6923 , CVE-2016-6925 , CVE-2016-6926 , CVE-2016-6927 , CVE-2016-6929 , CVE-2016-6930 , CVE-2016-6931 ,and CVE-2016-6932 Is a different vulnerability. Supplementary information : CWE Vulnerability type by CWE-416: Use After Free ( Use of freed memory ) Has been identified. http://cwe.mitre.org/data/definitions/416.htmlAn attacker could execute arbitrary code. Failed exploit attempts will likely result in denial-of-service conditions. The product enables viewing of applications, content and video across screens and browsers. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ===================================================================== Red Hat Security Advisory Synopsis: Critical: flash-plugin security update Advisory ID: RHSA-2016:1865-01 Product: Red Hat Enterprise Linux Supplementary Advisory URL: https://rhn.redhat.com/errata/RHSA-2016-1865.html Issue date: 2016-09-14 CVE Names: CVE-2016-4271 CVE-2016-4272 CVE-2016-4274 CVE-2016-4275 CVE-2016-4276 CVE-2016-4277 CVE-2016-4278 CVE-2016-4279 CVE-2016-4280 CVE-2016-4281 CVE-2016-4282 CVE-2016-4283 CVE-2016-4284 CVE-2016-4285 CVE-2016-4287 CVE-2016-6921 CVE-2016-6922 CVE-2016-6923 CVE-2016-6924 CVE-2016-6925 CVE-2016-6926 CVE-2016-6927 CVE-2016-6929 CVE-2016-6930 CVE-2016-6931 CVE-2016-6932 ===================================================================== 1. Summary: An update for flash-plugin is now available for Red Hat Enterprise Linux 5 Supplementary and Red Hat Enterprise Linux 6 Supplementary. Red Hat Product Security has rated this update as having a security impact of Critical. 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 Enterprise Linux Desktop Supplementary (v. 5) - i386, x86_64 Red Hat Enterprise Linux Desktop Supplementary (v. 6) - i386, x86_64 Red Hat Enterprise Linux Server Supplementary (v. 5) - i386, x86_64 Red Hat Enterprise Linux Server Supplementary (v. 6) - i386, x86_64 Red Hat Enterprise Linux Workstation Supplementary (v. 6) - i386, x86_64 3. Description: The flash-plugin package contains a Mozilla Firefox compatible Adobe Flash Player web browser plug-in. This update upgrades Flash Player to version 11.2.202.635. These vulnerabilities, detailed in the Adobe Security Bulletin listed in the References section, could allow an attacker to create a specially crafted SWF file that would cause flash-plugin to crash, execute arbitrary code, or disclose sensitive information when the victim loaded a page containing the malicious SWF content. (CVE-2016-4271, CVE-2016-4272, CVE-2016-4274, CVE-2016-4275, CVE-2016-4276, CVE-2016-4277, CVE-2016-4278, CVE-2016-4279, CVE-2016-4280, CVE-2016-4281, CVE-2016-4282, CVE-2016-4283, CVE-2016-4284, CVE-2016-4285, CVE-2016-4287, CVE-2016-6921, CVE-2016-6922, CVE-2016-6923, CVE-2016-6924, CVE-2016-6925, CVE-2016-6926, CVE-2016-6927, CVE-2016-6929, CVE-2016-6930, CVE-2016-6931, CVE-2016-6932) 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 5. Bugs fixed (https://bugzilla.redhat.com/): 1375725 - flash-plugin: multiple code execution issues fixed in APSB16-29 6. Package List: Red Hat Enterprise Linux Desktop Supplementary (v. 5): i386: flash-plugin-11.2.202.635-1.el5_11.i386.rpm x86_64: flash-plugin-11.2.202.635-1.el5_11.i386.rpm Red Hat Enterprise Linux Server Supplementary (v. 5): i386: flash-plugin-11.2.202.635-1.el5_11.i386.rpm x86_64: flash-plugin-11.2.202.635-1.el5_11.i386.rpm Red Hat Enterprise Linux Desktop Supplementary (v. 6): i386: flash-plugin-11.2.202.635-1.el6_8.i686.rpm x86_64: flash-plugin-11.2.202.635-1.el6_8.i686.rpm Red Hat Enterprise Linux Server Supplementary (v. 6): i386: flash-plugin-11.2.202.635-1.el6_8.i686.rpm x86_64: flash-plugin-11.2.202.635-1.el6_8.i686.rpm Red Hat Enterprise Linux Workstation Supplementary (v. 6): i386: flash-plugin-11.2.202.635-1.el6_8.i686.rpm x86_64: flash-plugin-11.2.202.635-1.el6_8.i686.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/ 7. References: https://access.redhat.com/security/cve/CVE-2016-4271 https://access.redhat.com/security/cve/CVE-2016-4272 https://access.redhat.com/security/cve/CVE-2016-4274 https://access.redhat.com/security/cve/CVE-2016-4275 https://access.redhat.com/security/cve/CVE-2016-4276 https://access.redhat.com/security/cve/CVE-2016-4277 https://access.redhat.com/security/cve/CVE-2016-4278 https://access.redhat.com/security/cve/CVE-2016-4279 https://access.redhat.com/security/cve/CVE-2016-4280 https://access.redhat.com/security/cve/CVE-2016-4281 https://access.redhat.com/security/cve/CVE-2016-4282 https://access.redhat.com/security/cve/CVE-2016-4283 https://access.redhat.com/security/cve/CVE-2016-4284 https://access.redhat.com/security/cve/CVE-2016-4285 https://access.redhat.com/security/cve/CVE-2016-4287 https://access.redhat.com/security/cve/CVE-2016-6921 https://access.redhat.com/security/cve/CVE-2016-6922 https://access.redhat.com/security/cve/CVE-2016-6923 https://access.redhat.com/security/cve/CVE-2016-6924 https://access.redhat.com/security/cve/CVE-2016-6925 https://access.redhat.com/security/cve/CVE-2016-6926 https://access.redhat.com/security/cve/CVE-2016-6927 https://access.redhat.com/security/cve/CVE-2016-6929 https://access.redhat.com/security/cve/CVE-2016-6930 https://access.redhat.com/security/cve/CVE-2016-6931 https://access.redhat.com/security/cve/CVE-2016-6932 https://access.redhat.com/security/updates/classification/#critical https://helpx.adobe.com/security/products/flash-player/apsb16-29.html 8. Contact: The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2016 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iD8DBQFX2Pp+XlSAg2UNWIIRAp1iAKCmfmh77bYTg10K3b0b6aJuxtLEgACfZlyh ynwsnFlRoTlOLVQLiobHvps= =1fXO -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce . Background ========== The Adobe Flash Player is a renderer for the SWF file format, which is commonly used to provide interactive websites. Please review the CVE identifiers referenced below for details. Impact ====== A remote attacker could possibly execute arbitrary code with the privileges of the process, cause a Denial of Service condition, obtain sensitive information, or bypass security restrictions. Workaround ========== There is no known workaround at this time. Resolution ========== All Adobe Flash Player 23.x users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot -v ">=www-plugins/adobe-flash-23.0.0.205" All Adobe Flash Player 11.x users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot -v ">=www-plugins/adobe-flash-11.2.202.635" References ========== [ 1 ] CVE-2016-4182 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-4182 [ 2 ] CVE-2016-4271 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-4271 [ 3 ] CVE-2016-4272 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-4272 [ 4 ] CVE-2016-4273 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-4273 [ 5 ] CVE-2016-4274 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-4274 [ 6 ] CVE-2016-4275 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-4275 [ 7 ] CVE-2016-4276 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-4276 [ 8 ] CVE-2016-4277 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-4277 [ 9 ] CVE-2016-4278 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-4278 [ 10 ] CVE-2016-4279 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-4279 [ 11 ] CVE-2016-4280 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-4280 [ 12 ] CVE-2016-4281 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-4281 [ 13 ] CVE-2016-4282 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-4282 [ 14 ] CVE-2016-4283 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-4283 [ 15 ] CVE-2016-4284 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-4284 [ 16 ] CVE-2016-4285 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-4285 [ 17 ] CVE-2016-4286 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-4286 [ 18 ] CVE-2016-4287 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-4287 [ 19 ] CVE-2016-6921 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-6921 [ 20 ] CVE-2016-6922 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-6922 [ 21 ] CVE-2016-6923 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-6923 [ 22 ] CVE-2016-6924 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-6924 [ 23 ] CVE-2016-6925 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-6925 [ 24 ] CVE-2016-6926 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-6926 [ 25 ] CVE-2016-6927 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-6927 [ 26 ] CVE-2016-6929 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-6929 [ 27 ] CVE-2016-6930 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-6930 [ 28 ] CVE-2016-6931 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-6931 [ 29 ] CVE-2016-6932 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-6932 [ 30 ] CVE-2016-6981 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-6981 [ 31 ] CVE-2016-6982 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-6982 [ 32 ] CVE-2016-6983 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-6983 [ 33 ] CVE-2016-6984 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-6984 [ 34 ] CVE-2016-6985 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-6985 [ 35 ] CVE-2016-6986 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-6986 [ 36 ] CVE-2016-6987 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-6987 [ 37 ] CVE-2016-6989 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-6989 [ 38 ] CVE-2016-6990 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-6990 [ 39 ] CVE-2016-6992 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-6992 [ 40 ] CVE-2016-7855 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-7855 Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201610-10 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

AFFECTED PRODUCTS

CVSS

PROBLEMTYPE DATA

THREAT TYPE

remote

TYPE

resource management error

CONFIGURATIONS

PATCH