78937 : Google Chrome PDF Handling Garbage Collection Use-after-free Arbitrary Code Execution
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
4	651	over 1 year ago	23 days ago	5 times	100%

Timeline

Disclosure Date
2012-02-08

Time to Patch
87 days

Description

Google Chrome contains a use-after-free error in the PDF viewer during handling of garbage collection. With a specially crafted PDF file, a context-dependent attacker can dereference already freed memory and potentially execute 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 17.0.963.46 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

16.0.912.77

References

Security Tracker: 1026654
CVE ID: 2011-3957 (see also: NVD)
SCIP VulDB ID: 4606
Secunia Advisory ID: 47938 48059
Bugtraq ID: 51911
Related OSVDB ID: 78933 78934 78935 78936 78938 78939 78940 78941 78942 78943 78944 78945 78946 78947 78948 78949 78950 78951 78952
Vendor Specific News/Changelog Entry: http://code.google.com/p/chromium/issues/detail?id=104056
http://googlechromereleases.blogspot.com/2012/02/stable-channel-update.html
http://security.gentoo.org/glsa/glsa-201202-01.xml

Credit

Aki Helin - Oulu University Secure Programming Group

CVSSv2 Score

CVSSv2 Base Score = 7.5
Source: nvd.nist.gov | Generated: 2012-02-09 | Disagree? | There are 1 more: View All

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