Updated lesstif packages that fix flaws in the Xpm image library are now available.
lesstif is a free replacement for OSF/Motif(R), which provides a full set of widgets for application development.
2. Relevant releases/architectures:
Red Hat Linux 7.3 - i386 Red Hat Linux 9 - i386 Fedora Core 1 - i386 Fedora Core 2 - i386
3. Problem description:
During a source code audit, Chris Evans and others 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 CVE-2004-0687, CVE-2004-0688, and CVE-2004-0914 to these issues.
An integer overflow flaw was found in libXpm; a vulnerable version of this library is found within LessTif. An attacker could create a malicious XPM file that would execute arbitrary code if opened by a victim using an application linked to LessTif. The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name CVE-2005-0605 to this issue.
Users of lesstif are advised to upgrade to these errata packages, which contain backported security patches correcting these issues.
Before applying this update, make sure all previously released errata relevant to your system have been applied.
To update all RPMs for your particular architecture, run:
rpm -Fvh [filenames]
where [filenames] is a list of the RPMs you wish to upgrade. Only those RPMs which are currently installed will be updated. Those RPMs which are not installed but included in the list will not be updated. Note that you can also use wildcards (*.rpm) if your current directory *only* contains the desired RPMs.
Please note that this update is also available via yum and apt. Many people find this an easier way to apply updates. To use yum issue:
or to use apt:
apt-get update; apt-get upgrade
This will start an interactive process that will result in the appropriate RPMs being upgraded on your system. This assumes that you have yum or apt-get configured for obtaining Fedora Legacy content. Please visit http://www.fedoralegacy.org/docs for directions on how to configure yum and apt-get.