CVE-2011-3368
apache2 - multiple issues
EPSS 74.4%
Description
The mod_proxy module in the Apache HTTP Server 1.3.x through 1.3.42, 2.0.x through 2.0.64, and 2.2.x through 2.2.21 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 via a malformed URI containing an initial @ (at sign) character.
How to fix CVE-2011-3368
To remediate CVE-2011-3368, upgrade the affected package to a fixed version below.
- Debian/apache2—upgrade to 2.2.21-2 or later
- Debian/apache2—upgrade to 2.2.16-6+squeeze6 or later
Is CVE-2011-3368 being exploited?
Likely — EPSS is 74.4%, placing CVE-2011-3368 in the top tier of vulnerabilities by exploitation probability. Prioritise patching.
Affected packages (2)
- from 0, < 2.2.21-2
- from 0, < 2.2.16-6+squeeze6