An updated lesstif package that fixes flaws in the Xpm library is now available for CentOS Linux 2.1.
LessTif provides libraries which implement the Motif industry standard graphical user interface. During a source code audit, Chris Evans discovered several stack overflow flaws and an integer overflow flaw in the libXpm library used to decode XPM (X PixMap) images. A vulnerable version of this library was found within Lesstif. An attacker could create a carefully crafted XPM file which would cause an application to crash or potentially execute arbitrary code if opened by a victim. The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the names CAN-2004-0687,CAN-2004-0688, and CAN-2004-0914 to these issues. Users of LessTif are advised to upgrade to this erratum package, which contains backported security patches to the embedded libXpm library.