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CVE-2011-3639

Publication date 30 November 2011

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

The mod_proxy module in the Apache HTTP Server 2.0.x through 2.0.64 and 2.2.x before 2.2.18, when the Revision 1179239 patch is in place, does not properly interact with use of (1) RewriteRule and (2) ProxyPassMatch pattern matches for configuration of a reverse proxy, which allows remote attackers to send requests to intranet servers by using the HTTP/0.9 protocol with a malformed URI containing an initial @ (at sign) character. NOTE: this vulnerability exists because of an incomplete fix for CVE-2011-3368.

Status

Package Ubuntu Release Status
apache2 11.10 oneiric
Not affected
11.04 natty
Fixed 2.2.17-1ubuntu1.4
10.10 maverick
Fixed 2.2.16-1ubuntu3.4
10.04 LTS lucid
Fixed 2.2.14-5ubuntu8.7
8.04 LTS hardy
Fixed 2.2.8-1ubuntu0.22

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
apache2