ID

VAR-201208-0333

CVE

CVE-2012-2851

TITLE

Google Chrome of PDF Integer overflow vulnerability in functionality

DESCRIPTION

Multiple integer overflows in the PDF functionality in Google Chrome before 21.0.1180.57 on Mac OS X and Linux, and before 21.0.1180.60 on Windows and Chrome Frame, allow remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted document. Google Chrome is prone to multiple vulnerabilities. Attackers can exploit these issues to execute arbitrary code in the context of the browser, bypass security restrictions, or cause denial-of-service conditions; other attacks may also be possible. Versions prior to Chrome 21.0.1180.57 and 21.0.1180.60 are vulnerable. Google Chrome is a web browser developed by Google (Google). ---------------------------------------------------------------------- We are millions! Join us to protect all Pc's Worldwide. Download the new Secunia PSI 3.0 available in 5 languages and share it with your friends: http://secunia.com/psi ---------------------------------------------------------------------- TITLE: Google Chrome Multiple Vulnerabilities SECUNIA ADVISORY ID: SA50105 VERIFY ADVISORY: Secunia.com http://secunia.com/advisories/50105/ Customer Area (Credentials Required) https://ca.secunia.com/?page=viewadvisory&vuln_id=50105 RELEASE DATE: 2012-08-01 DISCUSS ADVISORY: http://secunia.com/advisories/50105/#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/50105/ 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=50105 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 Google Chrome, where some have an unknown impact and others can be exploited by malicious people to bypass certain security restrictions and compromise a user's system. 1) An error when handling renders can be exploited to bypass the cross-process policy and cause interference. NOTE: This vulnerability affect the Linux platform only. 2) The application does not properly re-prompt the user when downloading multiple files and can be exploited to trick the user into downloading a malicious file. 3) An error when handling drag and drop events can be exploited to access certain restricted files. 4) Multiple errors exist within the PDF viewer. No further information is currently available. 5) Multiple integer overflow errors exist within the PDF viewer. 6) A use-after-free error exists when handling object linkage in PDFs. 7) An error within the "webRequest" module can be exploited to cause interference with the Chrome Web Store. 8) A use-after-free error exists within the PDF viewer. 9) An out-of-bounds write error exists within the PDF viewer. 10) A use-after-free error exits when handling CSS DOM objects. 11) An error within the WebP decoder can be exploited to cause a buffer overflow. 12) An unspecified error exists within tab handling. NOTE: This vulnerability affect the Linux platform only. 13) An out-of-bounds access error exists when clicking in date picker. SOLUTION: Upgrade to a fixed version. Further details available in Customer Area: http://secunia.com/vulnerability_intelligence/ PROVIDED AND/OR DISCOVERED BY: The vendor credits: 1) Julien Tinnes, Google Chrome Security Team 2, 3) Matt Austin, Aspect Security 4, 5, 8, 9) Mateusz Jurczyk and Gynvael Coldwind, Google Security Team 6) Alexey Samsonov, Google 7) Trev, Adblock 10) Arthur Gerkis 11) J\xfcri Aedla 12) Jeff Roberts, Google Security Team 13) Chamal de Silva ORIGINAL ADVISORY: googlechromereleases.blogspot.com/2012/07/stable-channel-release.html 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. 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AFFECTED PRODUCTS