Caldera X11 Library -xrm Buffer Overflow Vulnerability

BID:4502

Info

Caldera X11 Library -xrm Buffer Overflow Vulnerability

Bugtraq ID: 4502
Class: Boundary Condition Error
CVE: CVE-2002-0517
Remote: No
Local: Yes
Published: Apr 11 2002 12:00AM
Updated: Jul 11 2009 11:56AM
Credit: Vulnerability announced in a Caldera Security Advisory.
Vulnerable: Caldera UnixWare 7.1.1
Caldera OpenUnix 8.0
Not Vulnerable:

Discussion

Caldera X11 Library -xrm Buffer Overflow Vulnerability

OpenUnix is a derivative of UnixWare, both Unix Operating System derivatives distributed and maintained by Caldera.

Under some circumstances, it is possible to take advantage of a buffer overflow that may yield elevated privileges. Programs that have been linked against the vulnerable X11 library do not perform proper bounds checking when the -xrm flag is used. This could allow the overwriting of stack variables, including the return address, and code execution.

Exploit / POC

Caldera X11 Library -xrm Buffer Overflow Vulnerability

Currently the SecurityFocus staff are not aware of any exploits for this issue. If you feel we are in error or are aware of more recent information, please mail us at: [email protected] <mailto:[email protected]>.

Solution / Fix

Caldera X11 Library -xrm Buffer Overflow Vulnerability

Solution:
Fixes available:


Caldera UnixWare 7.1.1

Caldera OpenUnix 8.0

References

Caldera X11 Library -xrm Buffer Overflow Vulnerability

References:

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