Apache mod_tcl: Format string vulnerability — GLSA 200610-12

A format string vulnerabilty has been found in Apache mod_tcl, which could lead to the remote execution of arbitrary code.

Affected Packages

www-apache/mod_tcl on all architectures
Affected versions < 1.0.1
Unaffected versions >= 1.0.1

Background

Apache mod_tcl is a TCL interpreting module for the Apache 2.x web server.

Description

Sparfell discovered format string errors in calls to the set_var function in tcl_cmds.c and tcl_core.c.

Impact

A remote attacker could exploit the vulnerability to execute arbitrary code with the rights of the user running the Apache server.

Workaround

There is no known workaround at this time.

Resolution

All mod_tcl users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=www-apache/mod_tcl-1.0.1"

References

Release Date
October 24, 2006

Latest Revision
October 24, 2006: 01

Severity
high

Exploitable
remote

Bugzilla entries