84376 : Google Chrome PDF Viewer Exponential Interpolation PDF Function Buffer Overflow
Printer | http://osvdb.org/84376 | Email This | Edit Vulnerability

Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
12	379	10 months ago	14 days ago	6 times	100%

Timeline

Disclosure Date
2012-07-31

Time to Patch
34 days

Description

Google Chrome contains an overflow condition in the PDF viewer related to the exponential interpolation PDF function. With a specially crafted PDF file, a context-dependent attacker can cause a buffer overflow, resulting in a denial of service or potentially allowing the 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 21.0.1180.57 or higher for Mac and Linux or 21.0.1180.60 or higher for Windows and Chrome Frame, as they have been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

Google, Inc.

Chrome

20.0.1132.57

References

CVE ID: 2012-2856 (see also: NVD)
Secunia Advisory ID: 50105 50337
Bugtraq ID: 54749
Related OSVDB ID: 84366 84367 84368 84369 84370 84371 84372 84373 84374 84375 84377 84378 84379 84380
Vendor Specific News/Changelog Entry: http://googlechromereleases.blogspot.com/2012/07/stable-channel-release.html
Vendor Specific Advisory URL: http://www.srware.net/forum/viewtopic.php?f=18&t=4269
https://code.google.com/p/chromium/issues/detail?id=134954

Credit

CVSSv2 Score

CVSSv2 Base Score = 7.5
Source: nvd.nist.gov | Generated: 2012-08-07 | Disagree? | There are 1 more: View All

Comments

Add Comment Hide Add Comment

No Comments.

The database information may change without any notice. Use of the information constitutes acceptance for use in an AS IS condition, and there are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall the copyright holder or distributor (OSVDB or OSF) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.