ID

VAR-201106-0117

CVE

CVE-2011-2094

TITLE

Adobe Reader and Acrobat Vulnerable to buffer overflow

DESCRIPTION

Buffer overflow in Adobe Reader and Acrobat 8.x before 8.3, 9.x before 9.4.5, and 10.x before 10.1 on Windows and Mac OS X allows attackers to execute arbitrary code via unspecified vectors, a different vulnerability than CVE-2011-2095 and CVE-2011-2097. Adobe Reader and Acrobat Contains a buffer overflow vulnerability. This vulnerability CVE-2011-2095 and CVE-2011-2097 Is a different vulnerability.An attacker could execute arbitrary code. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.The specific flaw exists within the application explicitly trusting a string's length embedded within a particular file loaded by the 3difr.x3d component. The application will duplicate an arbitrarily sized string into a statically sized buffer located on the stack. This can lead to code execution under the context of the application. More details can be found at: http://www.adobe.com/support/security/bulletins/apsb11-16.html -- Disclosure Timeline: 2010-11-29 - Vulnerability reported to vendor 2011-06-14 - Coordinated public release of advisory -- Credit: This vulnerability was discovered by: * Anonymous -- About the Zero Day Initiative (ZDI): Established by TippingPoint, The Zero Day Initiative (ZDI) represents a best-of-breed model for rewarding security researchers for responsibly disclosing discovered vulnerabilities. Researchers interested in getting paid for their security research through the ZDI can find more information and sign-up at: http://www.zerodayinitiative.com The ZDI is unique in how the acquired vulnerability information is used. Instead, upon notifying the affected product vendor, TippingPoint provides its customers with zero day protection through its intrusion prevention technology. Explicit details regarding the specifics of the vulnerability are not exposed to any parties until an official vendor patch is publicly available. Furthermore, with the altruistic aim of helping to secure a broader user base, TippingPoint provides this vulnerability information confidentially to security vendors (including competitors) who have a vulnerability protection or mitigation product. Our vulnerability disclosure policy is available online at: http://www.zerodayinitiative.com/advisories/disclosure_policy/ Follow the ZDI on Twitter: http://twitter.com/thezdi _______________________________________________ Full-Disclosure - We believe in it. Charter: http://lists.grok.org.uk/full-disclosure-charter.html Hosted and sponsored by Secunia - http://secunia.com/ . Adobe has released Security Bulletin APSB11-17, which describes multiple vulnerabilities affecting Adobe Shockwave Player. Adobe has released Security Bulletin APSB11-18, which describes multiple vulnerabilities affecting Adobe Flash Player. I. An attacker could exploit these vulnerabilities by convincing a user to open a specially crafted PDF file. The Adobe Reader browser plug-in, which can automatically open PDF documents hosted on a website, is available for multiple web browsers and operating systems. Adobe Security Bulletin APSB11-17 describes a number of vulnerabilities affecting Adobe Shockwave Player. These vulnerabilities affect Shockwave Player 11.5.9.620 and earlier versions. An attacker could exploit this vulnerability by convincing a user to open specially crafted Shockwave content. Shockwave content is commonly hosted on a web page, but it can also be embedded in PDF and other documents or provided as a stand-alone file. Adobe Security Bulletin APSB11-18 describes a number of vulnerabilities affecting Adobe Flash Player. These vulnerabilities affect Flash Player 10.3.181.23 and earlier versions for Windows, Macintosh, Linux and Solaris operating systems. These vulnerabilities also affect Flash Player 10.3.185.23 and earlier versions for Android. An attacker could exploit this vulnerability by convincing a user to open specially crafted Flash content. Flash content is commonly hosted on a web page, but it can also be embedded in PDF and other documents or provided as a stand-alone file. II. Impact These vulnerabilities could allow a remote attacker to execute arbitrary code, write arbitrary files or folders to the file system, escalate local privileges, or cause a denial of service on an affected system as the result of a user opening a malicious PDF file. III. Solution Update Reader Adobe has released updates to address this issue. Update Adobe Shockwave Player Adobe has released updates to address this issue. Users are encouraged to read Adobe Security Bulletin APSB11-17 and update vulnerable versions of Adobe Shockwave Player. Update Adobe Flash Player Adobe has released updates to address this issue. Users are encouraged to read Adobe Security Bulletin APSB11-18 and update vulnerable versions of Adobe Adobe Flash Player. Disable Flash in your web browser Uninstall Flash or restrict which sites are allowed to run Flash. To the extent possible, only run trusted Flash content on trusted domains. For more information, see Securing Your Web Browser. Disable Flash in Adobe Reader and Acrobat Disabling Flash in Adobe Reader will mitigate attacks that rely on Flash content embedded in a PDF file. Disabling 3D & Multimedia support does not directly address the vulnerability, but it does provide additional mitigation and results in a more user-friendly error message instead of a crash. To disable Flash and 3D & Multimedia support in Adobe Reader 9, delete, rename, or remove access to these files: Microsoft Windows "%ProgramFiles%\Adobe\Reader 9.0\Reader\authplay.dll" "%ProgramFiles%\Adobe\Reader 9.0\Reader\rt3d.dll" Apple Mac OS X "/Applications/Adobe Reader 9/Adobe Reader.app/Contents/Frameworks/AuthPlayLib.bundle" "/Applications/Adobe Reader 9/Adobe Reader.app/Contents/Frameworks/Adobe3D.framework" GNU/Linux (locations may vary among distributions) "/opt/Adobe/Reader9/Reader/intellinux/lib/libauthplay.so" "/opt/Adobe/Reader9/Reader/intellinux/lib/librt3d.so" File locations may be different for Adobe Acrobat or other Adobe products that include Flash and 3D & Multimedia support. Disabling these plugins will reduce functionality and will not protect against Flash content hosted on websites. Depending on the update schedule for products other than Flash Player, consider leaving Flash and 3D & Multimedia support disabled unless they are absolutely required. Acrobat JavaScript can be disabled using the Preferences menu (Edit -> Preferences -> JavaScript; uncheck Enable Acrobat JavaScript). Adobe provides a framework to blacklist specific JavaScipt APIs. If JavaScript must be enabled, this feature may be useful when specific APIs are known to be vulnerable or used in attacks. Prevent Internet Explorer from automatically opening PDF files The installer for Adobe Reader and Acrobat configures Internet Explorer to automatically open PDF files without any user interaction. This behavior can be reverted to a safer option that prompts the user by importing the following as a .REG file: Windows Registry Editor Version 5.00 [HKEY_CLASSES_ROOT\AcroExch.Document.7] "EditFlags"=hex:00,00,00,00 Disable the display of PDF files in the web browser Preventing PDF files from opening inside a web browser will partially mitigate this vulnerability. If this workaround is applied, it may also mitigate future vulnerabilities. To prevent PDF files from automatically being opened in a web browser, do the following: 1. 2. Open the Edit menu. 3. Choose the Preferences option. 4. Choose the Internet section. 5. Uncheck the "Display PDF in browser" checkbox. Do not access PDF files from untrusted sources Do not open unfamiliar or unexpected PDF files, particularly those hosted on websites or delivered as email attachments. Please see Cyber Security Tip ST04-010. IV. References * Security update available for Adobe Reader and Acrobat - <http://www.adobe.com/support/security/bulletins/apsb11-16.html> * Adobe Reader and Acrobat JavaScript Blacklist Framework - <http://kb2.adobe.com/cps/504/cpsid_50431.html> * Security update available for Adobe Flash Player - <http://www.adobe.com/support/security/bulletins/apsb11-18.html> * Security update available for Adobe Shockwave Player - <http://www.adobe.com/support/security/bulletins/apsb11-17.html> ____________________________________________________________________ The most recent version of this document can be found at: <http://www.us-cert.gov/cas/techalerts/TA11-166A.html> ____________________________________________________________________ Feedback can be directed to US-CERT Technical Staff. Please send email to <cert@cert.org> with "TA11-166A Feedback" in the subject. ____________________________________________________________________ For instructions on subscribing to or unsubscribing from this mailing list, visit <http://www.us-cert.gov/cas/signup.html>. ____________________________________________________________________ Produced 2011 by US-CERT, a government organization. Terms of use: <http://www.us-cert.gov/legal.html> ____________________________________________________________________ Revision History June 15, 2011: Initial release -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.5 (GNU/Linux) iQEVAwUBTfjkdz6pPKYJORa3AQL96Af/bfXjpbygssCruFOpIPCRkp2YprLJLjjc D+ydEKvBTLYUqm5QgUD99bKwcUjQvwbZRuQDM2hhb49+TeTQPWR3gKvSqasviAC9 wu73HEw6I5ystOW/v0m+IglgbQH6qBr1VdycxOQf3z63sWbt4XafBpbY3t4klcfj Wc9ysRAY0RbInH5oyxJrOZz68OFUJj+ZsJw7wvnC3kgd3r6Q92nEM0cAiuNxmk0l 4g+HR0LuQRrgurAiX/zdAylByhOVmzBAqHhPk9pEdlf6XgEAhu/nSHrPa9jD+YKh DtDSf9ETAnsqjY7zjP1RdgjcUU1HbzU1Egs3LOy33zfHEzKZZJe2QA== =p3nZ -----END PGP SIGNATURE----- . ---------------------------------------------------------------------- Join Secunia @ FIRST Conference, 12-17 June, Hilton Vienna, Austria See to the presentation "The Dynamics and Threats of End-Point Software Portfolios" by Secunia's Research Analyst Director, Stefan Frei. Read more: http://conference.first.org/ ---------------------------------------------------------------------- TITLE: Adobe Reader / Acrobat Multiple Vulnerabilities SECUNIA ADVISORY ID: SA43269 VERIFY ADVISORY: Secunia.com http://secunia.com/advisories/43269/ Customer Area (Credentials Required) https://ca.secunia.com/?page=viewadvisory&vuln_id=43269 RELEASE DATE: 2011-06-16 DISCUSS ADVISORY: http://secunia.com/advisories/43269/#comments AVAILABLE ON SITE AND IN CUSTOMER AREA: * Last Update * Popularity * Comments * Criticality Level * Impact * Where * Solution Status * Operating System / Software * CVE Reference(s) http://secunia.com/advisories/43269/ ONLY AVAILABLE IN CUSTOMER AREA: * Authentication Level * Report Reliability * Secunia PoC * Secunia Analysis * Systems Affected * Approve Distribution * Remediation Status * Secunia CVSS Score * CVSS https://ca.secunia.com/?page=viewadvisory&vuln_id=43269 ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI: * AUTOMATED SCANNING http://secunia.com/vulnerability_scanning/personal/ http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/ DESCRIPTION: Multiple vulnerabilities have been reported in Adobe Reader / Acrobat, which can be exploited by malicious people to conduct cross-site scripting attacks, disclose potentially sensitive information, bypass certain security restrictions, and compromise a user's system. 1) An error in 3difr.x3d due to the component trusting the provided string length when processing certain files can be exploited to cause a stack-based buffer overflow. 2) An error in tesselate.x3d due to the component trusting the provided string length when processing certain files can be exploited to cause a stack-based buffer overflow. 3) An unspecified error can be exploited to cause a heap-based buffer overflow. 4) An integer overflow error in ACE.dll when parsing the "desc" ICC chunk can be exploited to corrupt memory via a specially crafted PDF file. 5) An unspecified error can be exploited to corrupt memory. 6) An unspecified error can be exploited to corrupt memory. 7) An error due to the application loading certain unspecified libraries in an insecure manner can be exploited to load arbitrary libraries by tricking a user into e.g. opening a file located on a remote WebDAV or SMB share. 9) An unspecified error can be exploited to bypass certain security restrictions. 10) An unspecified error can be exploited to corrupt memory. 11) An unspecified error can be exploited to corrupt memory. 12) An unspecified error can be exploited to corrupt memory. 13) An unspecified error can be exploited to corrupt memory. SOLUTION: Apply updates (please see the vendor's advisory for details). Further details available in Customer Area: http://secunia.com/vulnerability_intelligence/ PROVIDED AND/OR DISCOVERED BY: 1, 2) An anonymous person via ZDI. 4) Secunia Research. The vendor also credits: 3, 6) Tarjei Mandt, Norman. 5) Rodrigo Rubira Branco. 7) Mila Parkour. 8) Billy Rios, Google Security Team. 9) Christian Navarrete, CubilFelino Security Research Lab. 10) Tavis Ormandy, Google Security Team. 11) Brett Gervasoni, Sense of Security. 12) Will Dormann, CERT/CC. 13) James Quirk, Los Alamos, New Mexico. ORIGINAL ADVISORY: Adobe (APSB11-16): http://www.adobe.com/support/security/bulletins/apsb11-16.html Secunia Research: http://secunia.com/secunia_research/2011-41/ ZDI: http://www.zerodayinitiative.com/advisories/ZDI-11-218/ http://www.zerodayinitiative.com/advisories/ZDI-11-219/ OTHER REFERENCES: Further details available in Customer Area: http://secunia.com/vulnerability_intelligence/ DEEP LINKS: Further details available in Customer Area: http://secunia.com/vulnerability_intelligence/ EXTENDED DESCRIPTION: Further details available in Customer Area: http://secunia.com/vulnerability_intelligence/ EXTENDED SOLUTION: Further details available in Customer Area: http://secunia.com/vulnerability_intelligence/ EXPLOIT: Further details available in Customer Area: http://secunia.com/vulnerability_intelligence/ ---------------------------------------------------------------------- About: This Advisory was delivered by Secunia as a free service to help private users keeping their systems up to date against the latest vulnerabilities. Subscribe: http://secunia.com/advisories/secunia_security_advisories/ Definitions: (Criticality, Where etc.) http://secunia.com/advisories/about_secunia_advisories/ Please Note: Secunia recommends that you verify all advisories you receive by clicking the link. Secunia NEVER sends attached files with advisories. Secunia does not advise people to install third party patches, only use those supplied by the vendor. ---------------------------------------------------------------------- Unsubscribe: Secunia Security Advisories http://secunia.com/sec_adv_unsubscribe/?email=packet%40packetstormsecurity.org ----------------------------------------------------------------------

AFFECTED PRODUCTS

CVSS

PROBLEMTYPE DATA

THREAT TYPE

remote

TYPE

buffer overflow

CONFIGURATIONS

EXPLOIT AVAILABILITY

PATCH

EXTERNAL IDS

REFERENCES

CREDITS

Anonymous

SOURCES

LAST UPDATE DATE

2024-08-14T13:15:15.350000+00:00

SOURCES UPDATE DATE

SOURCES RELEASE DATE