83716 : Google Chrome PDF Viewer Javascript Handling Memory Corruption
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
6	402	11 months ago	about 1 month ago	7 times	100%

Timeline

Disclosure Date
2012-07-11

Time to Patch
23 days

Description

Google Chrome contains a uninitialized variable access flaw in the PDF viewer that is triggered when handling the JavaScript "in" operator in an unexpected context. With a specially crafted PDF file, a context-dependent attacker can potentially execute arbitrary code.

Classification

Location: Context Dependent
Attack Type: Input Manipulation
Impact: Impact Unknown
Solution: Upgrade
Exploit: Exploit Private
Disclosure: Vendor Verified, Coordinated Disclosure
OSVDB: Web Related

Solution

Upgrade to version 20.0.1132.57 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

20.0.1132.47

References

Security Tracker: 1027249
OVAL ID: 15039
CVE ID: 2012-2844 (see also: NVD)
Secunia Advisory ID: 49906
Related OSVDB ID: 83727 83734
Vendor Specific News/Changelog Entry: http://googlechromereleases.blogspot.com/2012/07/stable-channel-update.html
Vendor Specific Advisory URL: https://code.google.com/p/chromium/issues/detail?id=133450
Vendor URL: https://www.google.com/intl/en/chrome/browser/

Credit

Alexey Samsonov

CVSSv2 Score

CVSSv2 Base Score = 9.3
Source: nvd.nist.gov | Generated: 2012-07-13 | Disagree? | There are 1 more: View All

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