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AUSCERT Security Bulletin
ASB-2011.0101
A number of vulnerabilities have been identified in Google Chrome
14 November 2011
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AusCERT Security Bulletin Summary
---------------------------------
Product: Google Chrome
Operating System: UNIX variants (UNIX, Linux, OSX)
Windows
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Denial of Service -- Remote with User Interaction
Reduced Security -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2011-3898 CVE-2011-3897 CVE-2011-3896
CVE-2011-3895 CVE-2011-3894 CVE-2011-3893
CVE-2011-3892
Member content until: Wednesday, December 14 2011
OVERVIEW
A number of vulnerabilities have been identified in Google Chrome
prior to version 15.0.874.120 [1]
IMPACT
The vendor has provided the following details regarding these
vulnerabilities:
"[$500] [100465] High CVE-2011-3892: Double free in Theora decoder. Credit to Aki Helin of OUSPG.
[$500] [100492] [100543] Medium CVE-2011-3893: Out of bounds reads in MKV and Vorbis media handlers. Credit to Aki Helin of OUSPG.
[101172] High CVE-2011-3894: Memory corruption regression in VP8 decoding. Credit to Andrew Scherkus of the Chromium development community.
[$1000] [101458] High CVE-2011-3895: Heap overflow in Vorbis decoder. Credit to Aki Helin of OUSPG.
[101624] High CVE-2011-3896: Buffer overflow in shader variable mapping. Credit to Ken "strcpy" Russell of the Chromium development community.
[102242] High CVE-2011-3897: Use-after-free in editing. Credit to pa_kt reported through ZDI (ZDI-CAN-1416).
[102461] Low CVE-2011-3898: Failure to ask for permission to run applets in JRE7. Credit to Google Chrome Security Team (Chris Evans)." [1]
MITIGATION
The vendor recommends upgrading to the latest version of Google Chrome
to correct these issues. [1]
REFERENCES
[1] Stable Channel Update
http://googlechromereleases.blogspot.com/2011/11/stable-channel-update.html
AusCERT has made every effort to ensure that the information contained
in this document is accurate. However, the decision to use the information
described is the responsibility of each user or organisation. The decision to
follow or act on information or advice contained in this security bulletin is
the responsibility of each user or organisation, and should be considered in
accordance with your organisation's site policies and procedures. AusCERT
takes no responsibility for consequences which may arise from following or
acting on information or advice contained in this security bulletin.
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Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072
Internet Email: auscert@auscert.org.au
Facsimile: (07) 3365 7031
Telephone: (07) 3365 4417 (International: +61 7 3365 4417)
AusCERT personnel answer during Queensland business hours
which are GMT+10:00 (AEST).
On call after hours for member emergencies only.
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