CVE Database

CVE-2011-1091

Impact: Low
Public: 2011-03-10
Bugzilla: 683031: CVE-2011-1091 Pidgin: Multiple NULL pointer dereference flaws in Yahoo protocol plug-in

Details

The MITRE CVE dictionary describes this issue as:

libymsg.c in the Yahoo! protocol plugin in libpurple in Pidgin 2.6.0 through 2.7.10 allows (1) remote authenticated users to cause a denial of service (NULL pointer dereference and application crash) via a malformed YMSG notification packet, and allows (2) remote Yahoo! servers to cause a denial of service (NULL pointer dereference and application crash) via a malformed YMSG SMS message.

Find out more about CVE-2011-1091 from the MITRE CVE dictionary and NIST NVD.

Statement

This issue affects the versions of pidgin package as shipped with Red Hat Enterprise Linux 4, 5 and 6. The Red Hat Security Response Team has rated this issue as having low security impact, a future update may address this flaw.

CVSS v2 metrics

Base Score: 3.5
Base Metrics: AV:N/AC:M/Au:S/C:N/I:N/A:P
Access Vector: Network
Access Complexity: Medium
Authentication: Single Instance
Confidentiality Impact: None
Integrity Impact: None
Availability Impact: Partial

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat security errata

Platform Errata Release Date
Red Hat Enterprise Linux Desktop Workstation version 5 (pidgin) RHSA-2011:1371 October 14, 2011
Red Hat Enterprise Linux Optional Productivity Applications version 5 (pidgin) RHSA-2011:1371 October 14, 2011
Red Hat Enterprise Linux version 4 (pidgin) RHSA-2011:1371 October 14, 2011
Red Hat Enterprise Linux version 6 (pidgin) RHSA-2011:0616 May 19, 2011

External References

Acknowledgements

Red Hat would like to thank the Pidgin project for reporting these issues. Upstream acknowledges Marius Wachtler as the original reporter.

This page is generated automatically and has not been checked for errors or omissions.

For clarification or corrections please contact the Red Hat Security Response Team.