Apache JK Tomcat Connector: Remote execution of arbitrary code
Gentoo Linux Security Advisory
||GLSA 200703-16 / mod_jk
||March 16, 2007
||March 16, 2007: 01
All supported architectures
The Apache Tomcat Connector (mod_jk) contains a buffer overflow
vulnerability that could result in the remote execution of arbitrary code.
The Apache HTTP server is a very widely used web server. mod_jk
provides the JK module for connecting Tomcat and Apache using the ajp13
ZDI reported an unsafe memory copy in mod_jk that was discovered by an
anonymous researcher in the map_uri_to_worker function of
A remote attacker can send a long URL request to an Apache server using
Tomcat. That can trigger the vulnerability and lead to a stack-based
buffer overflow, which could result in the execution of arbitrary code
with the permissions of the Apache user.
There is no known workaround at this time.
All Apache Tomcat users should upgrade to the latest version:
Code Listing 3.1: Resolution
# emerge --sync
# emerge --ask --oneshot --verbose ">=www-apache/mod_jk-1.2.21-r1"