81646 : Google Chrome Sandbox IPC Length Checking Race Condition Arbitrary Read/Write Issue
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
9	609	about 1 year ago	9 days ago	4 times	100%

Timeline

Disclosure Date
2012-04-30

Time to Patch
27 days

Description

Google Chrome contains a race condition in the 'CrossCallParamsEx::CreateFromBuffer' function in sandbox/src/crosscall_server.cc checking and using IPC lengths. With a specially crafted web page, a context-dependent attacker can potentially read and write data inside the broker process, bypassing the sandbox.

Classification

Location: Context Dependent
Attack Type: Race Condition
Impact: Loss of Integrity
Solution: Upgrade
Exploit: Exploit Unknown
Disclosure: Vendor Verified, Coordinated Disclosure
OSVDB: Web Related

Solution

Upgrade to version 18.0.1025.168 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

18.0.1025.162

References

Security Tracker: 1027001
OVAL ID: 15623
CVE ID: 2011-3080 (see also: NVD)
Secunia Advisory ID: 48992 49175
Related OSVDB ID: 81643 81644 81645 81647
Vendor Specific News/Changelog Entry: http://code.google.com/p/chromium/issues/detail?id=121726
http://googlechromereleases.blogspot.com/2012/04/stable-channel-update_30.html
https://hermes.opensuse.org/messages/14565591

Credit

Willem Pinckaers - Matasano Security

CVSSv2 Score

CVSSv2 Base Score = 7.5
Source: nvd.nist.gov | Generated: 2012-05-01 | Disagree? | There are 1 more: View All

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