Reported to Red Hat by XFree86 on 2004Feb03 via iDefense. A malicious user may craft a malformed 'font.alias' file causing a buffer overflow upon parsing, which could lead to execution of arbitrary code as root on the server. Embargoed. No date for public notification set; CVE applied for. Patch available. Errata in progress.
http://bugzilla.redhat.com/bugzilla/process_bug.cgi
XFree86-4.3.0-49 built for Fedora Core 1 now
Subsequently, iDefense found another issue in the same routine with the same consequences which has been given CVE name CAN-2004-0083. Additionally David Dawes discovered additional flaws in reading font files. The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name CAN-2004-0106 to these issues.
The XFree86 4.3.0-55 update for Fedora Core 1, fixes all of the security issues outlined in the CVE (Common Vulnerabilities and Exposures) advisories: CAN-2004-0083, CAN-2004-0084, and CAN-2004-0106. All users are urged to upgrade to this latest update.
*** Bug 115569 has been marked as a duplicate of this bug. ***