85769 : Google Chrome for Mac GPU SafeMultiply / SafeAdd Functions Integer Overflows
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
7	271	8 months ago	11 days ago	4 times	100%

Timeline

Disclosure Date
2012-09-25

Time to Patch
27 days

Description

Google Chrome contains integer overflow conditions in the 'SafeMultiply' and 'SafeAdd' functions in gpu/command_buffer/common/gles2_cmd_utils.h. With a specially crafted web page, a context-dependent attacker can cause a buffer overflow, resulting in a denial of service or potentially execution of arbitrary code.

Classification

Location: Context Dependent
Attack Type: Input Manipulation
Impact: Loss of Integrity
Solution: Upgrade
Exploit: PoC Public
Disclosure: Vendor Verified, Coordinated Disclosure
OSVDB: Web Related

Solution

Upgrade to version 22.0.1229.79 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

Google, Inc.

Chrome

21.0.1180.89

References

CVE ID: 2012-2896 (see also: NVD)
Secunia Advisory ID: 50759 50796 51030 51079
Bugtraq ID: 55676
Related OSVDB ID: 85749 85750 85751 85752 85753 85754 85755 85756 85757 85758 85759 85760 85761 85762 85763 85764 85765 85766 85767 85768 85770 85771 85775
Vendor Specific News/Changelog Entry: http://googlechromereleases.blogspot.dk/2012/09/stable-channel-update_25.html
http://lists.opensuse.org/opensuse-updates/2012-10/msg00066.html
http://www.gentoo.org/security/en/glsa/glsa-201210-07.xml
http://www.srware.net/forum/viewtopic.php?f=18&t=6287
https://codereview.chromium.org/10916165/
Vendor Specific Solution URL: http://src.chromium.org/viewvc/chrome?revision=155478&view=revision
Vendor Specific Advisory URL: https://code.google.com/p/chromium/issues/detail?id=145544

Credit

miaubiz

CVSSv2 Score

CVSSv2 Base Score = 7.5
Source: nvd.nist.gov | Generated: 2012-09-26 | Disagree? | There are 1 more: View All

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