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AUSCERT Security Bulletin
ASB-2011.0111
Multiple vulnerabilities have been found in Apache 2.x mod_setenvif
12 December 2011
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AusCERT Security Bulletin Summary
---------------------------------
Product: Apache 2.x
Operating System: UNIX variants (UNIX, Linux, OSX)
Windows
Impact/Access: Increased Privileges -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2011-3607
Member content until: Wednesday, January 11 2012
OVERVIEW
An interger overflow vulnerability hase been discovered in Apache 2.x
mod_pregsub.
IMPACT
An issue has been found in the Apache ap_pregsub function which
allows escalation of privileges with the use of a specially crafted HTTP
request header.[1]
MITIGATION
Users of Apache are advised to check updates for their specific systems.
Users who compile Apache from source are advised to check out the latest
copy from Apache SVN and recompile.[2]
REFERENCES
[1] Report of CVE-2011-3639
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-3639
[2] Fix for CVE-2011-3639 in Apache SVN tree.
http://svn.apache.org/viewvc?view=revision&revision=1198940
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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