PROBLEM:
Apache mod_proxy_ajp HTTP Processing Error Lets Remote Users Deny Service
PLATFORM:
Apache version(s) prior to 2.2.21
ABSTRACT:
A remote user can cause the backend server to remain in an error state until the retry timeout expires.
referenceĀ LINKS:
SecurityTracker Alert ID: 1026054
Apache Releases
CVE-2011-3348
IMPACT ASSESSMENT:
Medium
Discussion:
A vulnerability was reported in Apache mod_proxy_ajp. A remote user can cause denial of service conditions. When mod_proxy_ajp is used together with mod_proxy_balancer, a remote user can send specially crafted HTTP requests to place the backend server in an error state until the retry timeout expires.
Impact:
A remote user can cause the backend server to remain in an error state until the retry timeout expires.
Solution:
The vendor has issued a fix (2.2.21).