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Test ID:1.3.6.1.4.1.25623.1.0.870522
Category:Red Hat Local Security Checks
Title:RedHat Update for pidgin RHSA-2011:1820-01
Summary:The remote host is missing an update for the 'pidgin'; package(s) announced via the referenced advisory.
Description:Summary:
The remote host is missing an update for the 'pidgin'
package(s) announced via the referenced advisory.

Vulnerability Insight:
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 AOL Open System for
Communication in Realtime (OSCAR) protocol plug-in in Pidgin, used by the
AOL ICQ and AIM instant messaging systems, escaped certain UTF-8
characters. A remote attacker could use this flaw to crash Pidgin via a
specially-crafted OSCAR message. (CVE-2011-4601)

An input sanitization flaw was found in the way the Pidgin SILC (Secure
Internet Live Conferencing) protocol plug-in escaped certain UTF-8
characters in channel messages. A remote attacker could use this flaw to
crash Pidgin via a specially-crafted SILC message. (CVE-2011-4603)

Multiple NULL pointer dereference flaws were found in the Jingle extension
of the Extensible Messaging and Presence Protocol (XMPP) protocol plug-in
in Pidgin. A remote attacker could use these flaws to crash Pidgin via a
specially-crafted Jingle multimedia message. (CVE-2011-4602)

Red Hat would like to thank the Pidgin project for reporting these issues.
Upstream acknowledges Evgeny Boger as the original reporter of
CVE-2011-4601, Diego Bauche Madero from IOActive as the original reporter
of CVE-2011-4603, and Thijs Alkemade as the original reporter of
CVE-2011-4602.

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.

Affected Software/OS:
pidgin on Red Hat Enterprise Linux AS version 4,
Red Hat Enterprise Linux ES version 4,
Red Hat Enterprise Linux WS version 4

Solution:
Please Install the Updated Packages.

CVSS Score:
5.0

CVSS Vector:
AV:N/AC:L/Au:N/C:N/I:N/A:P

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2011-4601
BugTraq ID: 51010
http://www.securityfocus.com/bid/51010
http://www.mandriva.com/security/advisories?name=MDVSA-2011:183
http://www.openwall.com/lists/oss-security/2011/12/10/1
http://www.openwall.com/lists/oss-security/2011/12/10/2
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18408
http://www.redhat.com/support/errata/RHSA-2011-1820.html
http://www.redhat.com/support/errata/RHSA-2011-1821.html
http://secunia.com/advisories/47219
http://secunia.com/advisories/47234
SuSE Security Announcement: openSUSE-SU-2012:0066 (Google Search)
https://hermes.opensuse.org/messages/13195955
Common Vulnerability Exposure (CVE) ID: CVE-2011-4602
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18420
Common Vulnerability Exposure (CVE) ID: CVE-2011-4603
BugTraq ID: 51074
http://www.securityfocus.com/bid/51074
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18303
CopyrightCopyright (c) 2011 Greenbone Networks GmbH

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