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prionPRIOn knowledge basePRION:CVE-2011-4317
HistoryNov 30, 2011 - 4:05 a.m.

Design/Logic Flaw

2011-11-3004:05:00
PRIOn knowledge base
www.prio-n.com
7

6.8 Medium

AI Score

Confidence

Low

0.974 High

EPSS

Percentile

99.9%

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, 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 via a malformed URI containing an @ (at sign) character and a : (colon) character in invalid positions. NOTE: this vulnerability exists because of an incomplete fix for CVE-2011-3368.

References