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Red Hat: Security update for Pidgin

Pidgin is an instant messaging program which can log in to multiple accounts on multiple instant messaging networks simultaneously. A flaw was found in the way the Pidgin MSN protocol plug-in processed text that was not encoded in UTF-8. A remote attacker could use this flaw to crash Pidgin by sending a specially-crafted MSN message. An input validation flaw was found in the way the Pidgin MSN protocol plug-in handled MSN notification messages. A malicious server or a remote attacker could use this flaw to crash Pidgin by sending a specially-crafted MSN notification message.

A buffer overflow flaw was found in the Pidgin MXit protocol plug-in. A remote attacker could use this flaw to crash Pidgin by sending a MXit message containing specially-crafted emoticon tags.

Updated packages are available from ftp.redhat.com.

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=====================================================================
                  Red Hat Security Advisory

Synopsis:          Moderate: pidgin security update
Advisory ID:       RHSA-2012:1102-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2012-1102.html
Issue date:        2012-07-19
CVE Names:         CVE-2012-1178 CVE-2012-2318 CVE-2012-3374 
=====================================================================

1. Summary:

Updated pidgin packages that fix three security issues are now available
for Red Hat Enterprise Linux 5 and 6.

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.

2. Relevant releases/architectures:

RHEL Desktop Workstation (v. 5 client) - i386, x86_64
RHEL Optional Productivity Applications (v. 5 server) - i386, x86_64
Red Hat Enterprise Linux Desktop (v. 5 client) - i386, x86_64
Red Hat Enterprise Linux Desktop (v. 6) - i386, x86_64
Red Hat Enterprise Linux Desktop Optional (v. 6) - i386, x86_64
Red Hat Enterprise Linux Server Optional (v. 6) - i386, ppc64, x86_64
Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64
Red Hat Enterprise Linux Workstation Optional (v. 6) - i386, x86_64

3. Description:

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

A flaw was found in the way the Pidgin MSN protocol plug-in processed text
that was not encoded in UTF-8. A remote attacker could use this flaw to
crash Pidgin by sending a specially-crafted MSN message. (CVE-2012-1178)

An input validation flaw was found in the way the Pidgin MSN protocol
plug-in handled MSN notification messages. A malicious server or a remote
attacker could use this flaw to crash Pidgin by sending a specially-crafted
MSN notification message. (CVE-2012-2318)

A buffer overflow flaw was found in the Pidgin MXit protocol plug-in. A
remote attacker could use this flaw to crash Pidgin by sending a MXit
message containing specially-crafted emoticon tags. (CVE-2012-3374)

Red Hat would like to thank the Pidgin project for reporting the
CVE-2012-3374 issue. Upstream acknowledges Ulf Härnhammar as the original
reporter of CVE-2012-3374.

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.

4. Solution:

Before applying this update, make sure all previously-released errata
relevant to your system have been applied.

This update is available via the Red Hat Network. Details on how to
use the Red Hat Network to apply this update are available at
https://access.redhat.com/knowledge/articles/11258

5. Bugs fixed (http://bugzilla.redhat.com/):

803298 - CVE-2012-1178 pidgin: Client abort in the MSN protocol plug-in by attempt to display certain, not UTF-8 encoded text
819446 - CVE-2012-2318 pidgin: Improper validation of incoming plaintext messages in MSN protocol plug-in
837319 - CVE-2012-3374 pidgin: Stack-based buffer overwrite in MXit protocol libPurple plug-in

6. Package List:

Red Hat Enterprise Linux Desktop (v. 5 client):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/pidgin-2.6.6-11.el5.4.src.rpm

i386:
finch-2.6.6-11.el5.4.i386.rpm
libpurple-2.6.6-11.el5.4.i386.rpm
libpurple-perl-2.6.6-11.el5.4.i386.rpm
libpurple-tcl-2.6.6-11.el5.4.i386.rpm
pidgin-2.6.6-11.el5.4.i386.rpm
pidgin-debuginfo-2.6.6-11.el5.4.i386.rpm
pidgin-perl-2.6.6-11.el5.4.i386.rpm

x86_64:
finch-2.6.6-11.el5.4.i386.rpm
finch-2.6.6-11.el5.4.x86_64.rpm
libpurple-2.6.6-11.el5.4.i386.rpm
libpurple-2.6.6-11.el5.4.x86_64.rpm
libpurple-perl-2.6.6-11.el5.4.x86_64.rpm
libpurple-tcl-2.6.6-11.el5.4.x86_64.rpm
pidgin-2.6.6-11.el5.4.i386.rpm
pidgin-2.6.6-11.el5.4.x86_64.rpm
pidgin-debuginfo-2.6.6-11.el5.4.i386.rpm
pidgin-debuginfo-2.6.6-11.el5.4.x86_64.rpm
pidgin-perl-2.6.6-11.el5.4.x86_64.rpm

RHEL Desktop Workstation (v. 5 client):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/pidgin-2.6.6-11.el5.4.src.rpm

i386:
finch-devel-2.6.6-11.el5.4.i386.rpm
libpurple-devel-2.6.6-11.el5.4.i386.rpm
pidgin-debuginfo-2.6.6-11.el5.4.i386.rpm
pidgin-devel-2.6.6-11.el5.4.i386.rpm

x86_64:
finch-devel-2.6.6-11.el5.4.i386.rpm
finch-devel-2.6.6-11.el5.4.x86_64.rpm
libpurple-devel-2.6.6-11.el5.4.i386.rpm
libpurple-devel-2.6.6-11.el5.4.x86_64.rpm
pidgin-debuginfo-2.6.6-11.el5.4.i386.rpm
pidgin-debuginfo-2.6.6-11.el5.4.x86_64.rpm
pidgin-devel-2.6.6-11.el5.4.i386.rpm
pidgin-devel-2.6.6-11.el5.4.x86_64.rpm

RHEL Optional Productivity Applications (v. 5 server):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/os/SRPMS/pidgin-2.6.6-11.el5.4.src.rpm

i386:
finch-2.6.6-11.el5.4.i386.rpm
finch-devel-2.6.6-11.el5.4.i386.rpm
libpurple-2.6.6-11.el5.4.i386.rpm
libpurple-devel-2.6.6-11.el5.4.i386.rpm
libpurple-perl-2.6.6-11.el5.4.i386.rpm
libpurple-tcl-2.6.6-11.el5.4.i386.rpm
pidgin-2.6.6-11.el5.4.i386.rpm
pidgin-debuginfo-2.6.6-11.el5.4.i386.rpm
pidgin-devel-2.6.6-11.el5.4.i386.rpm
pidgin-perl-2.6.6-11.el5.4.i386.rpm

x86_64:
finch-2.6.6-11.el5.4.i386.rpm
finch-2.6.6-11.el5.4.x86_64.rpm
finch-devel-2.6.6-11.el5.4.i386.rpm
finch-devel-2.6.6-11.el5.4.x86_64.rpm
libpurple-2.6.6-11.el5.4.i386.rpm
libpurple-2.6.6-11.el5.4.x86_64.rpm
libpurple-devel-2.6.6-11.el5.4.i386.rpm
libpurple-devel-2.6.6-11.el5.4.x86_64.rpm
libpurple-perl-2.6.6-11.el5.4.x86_64.rpm
libpurple-tcl-2.6.6-11.el5.4.x86_64.rpm
pidgin-2.6.6-11.el5.4.i386.rpm
pidgin-2.6.6-11.el5.4.x86_64.rpm
pidgin-debuginfo-2.6.6-11.el5.4.i386.rpm
pidgin-debuginfo-2.6.6-11.el5.4.x86_64.rpm
pidgin-devel-2.6.6-11.el5.4.i386.rpm
pidgin-devel-2.6.6-11.el5.4.x86_64.rpm
pidgin-perl-2.6.6-11.el5.4.x86_64.rpm

Red Hat Enterprise Linux Desktop (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Client/en/os/SRPMS/pidgin-2.7.9-5.el6.2.src.rpm

i386:
libpurple-2.7.9-5.el6.2.i686.rpm
pidgin-2.7.9-5.el6.2.i686.rpm
pidgin-debuginfo-2.7.9-5.el6.2.i686.rpm

x86_64:
libpurple-2.7.9-5.el6.2.i686.rpm
libpurple-2.7.9-5.el6.2.x86_64.rpm
pidgin-2.7.9-5.el6.2.x86_64.rpm
pidgin-debuginfo-2.7.9-5.el6.2.i686.rpm
pidgin-debuginfo-2.7.9-5.el6.2.x86_64.rpm

Red Hat Enterprise Linux Desktop Optional (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Client/en/os/SRPMS/pidgin-2.7.9-5.el6.2.src.rpm

i386:
finch-2.7.9-5.el6.2.i686.rpm
finch-devel-2.7.9-5.el6.2.i686.rpm
libpurple-devel-2.7.9-5.el6.2.i686.rpm
libpurple-perl-2.7.9-5.el6.2.i686.rpm
libpurple-tcl-2.7.9-5.el6.2.i686.rpm
pidgin-debuginfo-2.7.9-5.el6.2.i686.rpm
pidgin-devel-2.7.9-5.el6.2.i686.rpm
pidgin-docs-2.7.9-5.el6.2.i686.rpm
pidgin-perl-2.7.9-5.el6.2.i686.rpm

x86_64:
finch-2.7.9-5.el6.2.i686.rpm
finch-2.7.9-5.el6.2.x86_64.rpm
finch-devel-2.7.9-5.el6.2.i686.rpm
finch-devel-2.7.9-5.el6.2.x86_64.rpm
libpurple-devel-2.7.9-5.el6.2.i686.rpm
libpurple-devel-2.7.9-5.el6.2.x86_64.rpm
libpurple-perl-2.7.9-5.el6.2.x86_64.rpm
libpurple-tcl-2.7.9-5.el6.2.x86_64.rpm
pidgin-debuginfo-2.7.9-5.el6.2.i686.rpm
pidgin-debuginfo-2.7.9-5.el6.2.x86_64.rpm
pidgin-devel-2.7.9-5.el6.2.i686.rpm
pidgin-devel-2.7.9-5.el6.2.x86_64.rpm
pidgin-docs-2.7.9-5.el6.2.x86_64.rpm
pidgin-perl-2.7.9-5.el6.2.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/os/SRPMS/pidgin-2.7.9-5.el6.2.src.rpm

i386:
finch-2.7.9-5.el6.2.i686.rpm
finch-devel-2.7.9-5.el6.2.i686.rpm
libpurple-2.7.9-5.el6.2.i686.rpm
libpurple-devel-2.7.9-5.el6.2.i686.rpm
libpurple-perl-2.7.9-5.el6.2.i686.rpm
libpurple-tcl-2.7.9-5.el6.2.i686.rpm
pidgin-2.7.9-5.el6.2.i686.rpm
pidgin-debuginfo-2.7.9-5.el6.2.i686.rpm
pidgin-devel-2.7.9-5.el6.2.i686.rpm
pidgin-docs-2.7.9-5.el6.2.i686.rpm
pidgin-perl-2.7.9-5.el6.2.i686.rpm

ppc64:
finch-2.7.9-5.el6.2.ppc.rpm
finch-2.7.9-5.el6.2.ppc64.rpm
finch-devel-2.7.9-5.el6.2.ppc.rpm
finch-devel-2.7.9-5.el6.2.ppc64.rpm
libpurple-2.7.9-5.el6.2.ppc.rpm
libpurple-2.7.9-5.el6.2.ppc64.rpm
libpurple-devel-2.7.9-5.el6.2.ppc.rpm
libpurple-devel-2.7.9-5.el6.2.ppc64.rpm
libpurple-perl-2.7.9-5.el6.2.ppc64.rpm
libpurple-tcl-2.7.9-5.el6.2.ppc64.rpm
pidgin-2.7.9-5.el6.2.ppc64.rpm
pidgin-debuginfo-2.7.9-5.el6.2.ppc.rpm
pidgin-debuginfo-2.7.9-5.el6.2.ppc64.rpm
pidgin-devel-2.7.9-5.el6.2.ppc.rpm
pidgin-devel-2.7.9-5.el6.2.ppc64.rpm
pidgin-docs-2.7.9-5.el6.2.ppc64.rpm
pidgin-perl-2.7.9-5.el6.2.ppc64.rpm

x86_64:
finch-2.7.9-5.el6.2.i686.rpm
finch-2.7.9-5.el6.2.x86_64.rpm
finch-devel-2.7.9-5.el6.2.i686.rpm
finch-devel-2.7.9-5.el6.2.x86_64.rpm
libpurple-2.7.9-5.el6.2.i686.rpm
libpurple-2.7.9-5.el6.2.x86_64.rpm
libpurple-devel-2.7.9-5.el6.2.i686.rpm
libpurple-devel-2.7.9-5.el6.2.x86_64.rpm
libpurple-perl-2.7.9-5.el6.2.x86_64.rpm
libpurple-tcl-2.7.9-5.el6.2.x86_64.rpm
pidgin-2.7.9-5.el6.2.x86_64.rpm
pidgin-debuginfo-2.7.9-5.el6.2.i686.rpm
pidgin-debuginfo-2.7.9-5.el6.2.x86_64.rpm
pidgin-devel-2.7.9-5.el6.2.i686.rpm
pidgin-devel-2.7.9-5.el6.2.x86_64.rpm
pidgin-docs-2.7.9-5.el6.2.x86_64.rpm
pidgin-perl-2.7.9-5.el6.2.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Workstation/en/os/SRPMS/pidgin-2.7.9-5.el6.2.src.rpm

i386:
libpurple-2.7.9-5.el6.2.i686.rpm
pidgin-2.7.9-5.el6.2.i686.rpm
pidgin-debuginfo-2.7.9-5.el6.2.i686.rpm

x86_64:
libpurple-2.7.9-5.el6.2.i686.rpm
libpurple-2.7.9-5.el6.2.x86_64.rpm
pidgin-2.7.9-5.el6.2.x86_64.rpm
pidgin-debuginfo-2.7.9-5.el6.2.i686.rpm
pidgin-debuginfo-2.7.9-5.el6.2.x86_64.rpm

Red Hat Enterprise Linux Workstation Optional (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Workstation/en/os/SRPMS/pidgin-2.7.9-5.el6.2.src.rpm

i386:
finch-2.7.9-5.el6.2.i686.rpm
finch-devel-2.7.9-5.el6.2.i686.rpm
libpurple-devel-2.7.9-5.el6.2.i686.rpm
libpurple-perl-2.7.9-5.el6.2.i686.rpm
libpurple-tcl-2.7.9-5.el6.2.i686.rpm
pidgin-debuginfo-2.7.9-5.el6.2.i686.rpm
pidgin-devel-2.7.9-5.el6.2.i686.rpm
pidgin-docs-2.7.9-5.el6.2.i686.rpm
pidgin-perl-2.7.9-5.el6.2.i686.rpm

x86_64:
finch-2.7.9-5.el6.2.i686.rpm
finch-2.7.9-5.el6.2.x86_64.rpm
finch-devel-2.7.9-5.el6.2.i686.rpm
finch-devel-2.7.9-5.el6.2.x86_64.rpm
libpurple-devel-2.7.9-5.el6.2.i686.rpm
libpurple-devel-2.7.9-5.el6.2.x86_64.rpm
libpurple-perl-2.7.9-5.el6.2.x86_64.rpm
libpurple-tcl-2.7.9-5.el6.2.x86_64.rpm
pidgin-debuginfo-2.7.9-5.el6.2.i686.rpm
pidgin-debuginfo-2.7.9-5.el6.2.x86_64.rpm
pidgin-devel-2.7.9-5.el6.2.i686.rpm
pidgin-devel-2.7.9-5.el6.2.x86_64.rpm
pidgin-docs-2.7.9-5.el6.2.x86_64.rpm
pidgin-perl-2.7.9-5.el6.2.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/#package

7. References:

https://www.redhat.com/security/data/cve/CVE-2012-1178.html
https://www.redhat.com/security/data/cve/CVE-2012-2318.html
https://www.redhat.com/security/data/cve/CVE-2012-3374.html
https://access.redhat.com/security/updates/classification/#moderate

8. Contact:

The Red Hat security contact is <secalert@redhat.com>.  More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2012 Red Hat, Inc.
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