OSVDB ID: 3905

Title: XFree86 dirfile.c ReadFontAlias Function Overflow

Info

Disclosure

Feb 11, 2004

Discovery

Unknown

Dates

Exploit

Apr 01, 2004

Solution

Unknown

Description

A local overflow exists in XFree86. The 'ReadFontAlias()' function fails to perform proper bounds checking resulting in a buffer overflow. With a specially crafted request, a malicious user can cause arbitrary code execution resulting in a loss of integrity.

Classification

Location: Local Access Required
Attack Type: Input Manipulation
Impact: Loss of Integrity
Exploit: Exploit Public
Disclosure: OSVDB Verified

Solution

Currently, there are no known workarounds or upgrades to correct this issue. However, XFree86 Project has released a patch to address this vulnerability.

Products

XFree86 Project, Inc.

XFree86

4.3.0
4.2.x
4.1.x

References

Credit

  • Greg MacManus - iDEFENSE Labs


Direct URL: http://osvdb.org/3905