Red Hat Customer Portal

Skip to main content

CVE-2011-1091

Impact:
Low
Public Date:
2011-03-10
CWE:
CWE-476
Bugzilla:
683031: CVE-2011-1091 Pidgin: Multiple NULL pointer dereference flaws in Yahoo protocol plug-in

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 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

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

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
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 Optional Productivity Applications (v. 5 server) (pidgin) RHSA-2011:1371 2011-10-14
Red Hat Enterprise Linux 4 (pidgin) RHSA-2011:1371 2011-10-14
Red Hat Enterprise Linux 6 (pidgin) RHSA-2011:0616 2011-05-19
Red Hat Enterprise Linux 5 (pidgin) RHSA-2011:1371 2011-10-14

Acknowledgements

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

Last Modified