RHEL 4 / 5 : pidgin (RHSA-2011:1371)

medium Nessus Plugin ID 56505

Synopsis

The remote Red Hat host is missing one or more security updates.

Description

Updated pidgin packages that fix multiple security issues are now available for Red Hat Enterprise Linux 4 and 5.

The Red Hat Security Response Team has rated this update as having moderate security impact. Common Vulnerability Scoring System (CVSS) base scores, which give detailed severity ratings, are available for each vulnerability from the CVE links in the References section.

Pidgin is an instant messaging program which can log in to multiple accounts on multiple instant messaging networks simultaneously.

An input sanitization flaw was found in the way the Pidgin SILC (Secure Internet Live Conferencing) protocol plug-in escaped certain UTF-8 characters. A remote attacker could use this flaw to crash Pidgin via a specially crafted SILC message. (CVE-2011-3594)

Multiple NULL pointer dereference flaws were found in the way the Pidgin Yahoo! Messenger Protocol plug-in handled malformed YMSG packets. A remote attacker could use these flaws to crash Pidgin via a specially crafted notification message. (CVE-2011-1091)

Red Hat would like to thank the Pidgin project for reporting CVE-2011-1091. Upstream acknowledges Marius Wachtler as the original reporter of CVE-2011-1091.

All Pidgin users should upgrade to these updated packages, which contain backported patches to resolve these issues. Pidgin must be restarted for this update to take effect.

Solution

Update the affected packages.

See Also

https://access.redhat.com/security/cve/cve-2011-1091

https://access.redhat.com/security/cve/cve-2011-3594

https://access.redhat.com/errata/RHSA-2011:1371

Plugin Details

Severity: Medium

ID: 56505

File Name: redhat-RHSA-2011-1371.nasl

Version: 1.20

Type: local

Agent: unix

Published: 10/14/2011

Updated: 1/14/2021

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:finch, p-cpe:/a:redhat:enterprise_linux:finch-devel, p-cpe:/a:redhat:enterprise_linux:libpurple, p-cpe:/a:redhat:enterprise_linux:libpurple-devel, p-cpe:/a:redhat:enterprise_linux:libpurple-perl, p-cpe:/a:redhat:enterprise_linux:libpurple-tcl, p-cpe:/a:redhat:enterprise_linux:pidgin, p-cpe:/a:redhat:enterprise_linux:pidgin-devel, p-cpe:/a:redhat:enterprise_linux:pidgin-perl, cpe:/o:redhat:enterprise_linux:4, cpe:/o:redhat:enterprise_linux:5

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 10/13/2011

Vulnerability Publication Date: 3/14/2011

Reference Information

CVE: CVE-2011-1091, CVE-2011-3594

BID: 46837, 49912

RHSA: 2011:1371