Overview
There is a buffer overflow vulnerability in the Gaim yahoo_packet_read() function, which could allow an unauthenticated, remote attacker to execute arbitrary code.
Description
Gaim is a multi-protocol instant messenger available for a number of operating systems. It supports a variety of instant messaging protocols, including the Yahoo Messenger (YMSG) protocol. There is a buffer overflow vulnerability in the yahoo_packet_read() function. When parsing a YMSG packet, the yahoo_packet_read() function fails to perform adequate bounds checking on the keyname value. By sending a specially crafted YMSG packet containing a large keyname value to a vulnerable system, an unauthenticated, remote attacker could execute arbitrary code. |
Impact
An unauthenticated, remote attacker could execute arbitrary code with the privileges of the vulnerable process. |
Solution
Upgrade Upgrade to Gaim version 0.76 or later. |
Vendor Information
CVSS Metrics
| Group | Score | Vector |
|---|---|---|
| Base | ||
| Temporal | ||
| Environmental |
References
Acknowledgements
This vulnerability was publicly reported by Stefan Esser of e-matters.
This document was written by Damon Morda.
Other Information
| CVE IDs: | CVE-2004-0006 |
| Severity Metric: | 11.81 |
| Date Public: | 2004-01-26 |
| Date First Published: | 2004-05-06 |
| Date Last Updated: | 2004-05-06 19:46 UTC |
| Document Revision: | 13 |