Improper Input Validation
CVE-2011-4317
Summary
The "mod_proxy" module in the Apache HTTP Server 1.3.x through 1.3.42, 2.0.x prior to 2.0.65, and 2.2.x prior to 2.2.22, 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.
- LOW
- NETWORK
- LOW
- UNCHANGED
- NONE
- NONE
- NONE
- NONE
CWE-20 - Improper Input Validation
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
References
Advisory Timeline
- Published