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

Synopsis:          Important: pidgin security update
Advisory ID:       RHSA-2009:1059-02
Product:           Red Hat Enterprise Linux
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2009-1059.html
Issue date:        2009-05-22
CVE Names:         CVE-2009-1373 CVE-2009-1376 
====================================================================
1. Summary:

An updated pidgin package that fixes two security issues is now available
for Red Hat Enterprise Linux 3.

This update has been rated as having important security impact by the Red
Hat Security Response Team.

2. Relevant releases/architectures:

Red Hat Enterprise Linux AS version 3 - i386, ia64, ppc, s390, s390x, x86_64
Red Hat Desktop version 3 - i386, x86_64
Red Hat Enterprise Linux ES version 3 - i386, ia64, x86_64
Red Hat Enterprise Linux WS version 3 - i386, ia64, x86_64

3. Description:

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

A buffer overflow flaw was found in the way Pidgin initiates file transferswhen using the Extensible Messaging and Presence Protocol (XMPP). If a
Pidgin client initiates a file transfer, and the remote target sends a
malformed response, it could cause Pidgin to crash or, potentially, execute
arbitrary code with the permissions of the user running Pidgin. This flaw
only affects accounts using XMPP, such as Jabber and Google Talk.
(CVE-2009-1373)

It was discovered that on 32-bit platforms, the Red Hat Security Advisory
RHSA-2008:0584 provided an incomplete fix for the integer overflow flaw
affecting Pidgin's MSN protocol handler. If a Pidgin client receives a
specially-crafted MSN message, it may be possible to execute arbitrary code
with the permissions of the user running Pidgin. (CVE-2009-1376)

Note: By default, when using an MSN account, only users on your buddy list
can send you messages. This prevents arbitrary MSN users from exploiting
this flaw.

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

4. Solution:

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

This update is available via Red Hat Network.  Details on how to use
the Red Hat Network to apply this update are available at

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

500488 - CVE-2009-1373 pidgin file transfer buffer overflow
500493 - CVE-2009-1376 pidgin incomplete fix for CVE-2008-2927

6. Package List:

Red Hat Enterprise Linux AS version 3:

Source:

i386:
pidgin-1.5.1-3.el3.i386.rpm
pidgin-debuginfo-1.5.1-3.el3.i386.rpm

ia64:
pidgin-1.5.1-3.el3.ia64.rpm
pidgin-debuginfo-1.5.1-3.el3.ia64.rpm

ppc:
pidgin-1.5.1-3.el3.ppc.rpm
pidgin-debuginfo-1.5.1-3.el3.ppc.rpm

s390:
pidgin-1.5.1-3.el3.s390.rpm
pidgin-debuginfo-1.5.1-3.el3.s390.rpm

s390x:
pidgin-1.5.1-3.el3.s390x.rpm
pidgin-debuginfo-1.5.1-3.el3.s390x.rpm

x86_64:
pidgin-1.5.1-3.el3.x86_64.rpm
pidgin-debuginfo-1.5.1-3.el3.x86_64.rpm

Red Hat Desktop version 3:

Source:

i386:
pidgin-1.5.1-3.el3.i386.rpm
pidgin-debuginfo-1.5.1-3.el3.i386.rpm

x86_64:
pidgin-1.5.1-3.el3.x86_64.rpm
pidgin-debuginfo-1.5.1-3.el3.x86_64.rpm

Red Hat Enterprise Linux ES version 3:

Source:

i386:
pidgin-1.5.1-3.el3.i386.rpm
pidgin-debuginfo-1.5.1-3.el3.i386.rpm

ia64:
pidgin-1.5.1-3.el3.ia64.rpm
pidgin-debuginfo-1.5.1-3.el3.ia64.rpm

x86_64:
pidgin-1.5.1-3.el3.x86_64.rpm
pidgin-debuginfo-1.5.1-3.el3.x86_64.rpm

Red Hat Enterprise Linux WS version 3:

Source:

i386:
pidgin-1.5.1-3.el3.i386.rpm
pidgin-debuginfo-1.5.1-3.el3.i386.rpm

ia64:
pidgin-1.5.1-3.el3.ia64.rpm
pidgin-debuginfo-1.5.1-3.el3.ia64.rpm

x86_64:
pidgin-1.5.1-3.el3.x86_64.rpm
pidgin-debuginfo-1.5.1-3.el3.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://www.redhat.com/security/team/key/#package

7. References:

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-1373
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-1376
https://www.redhat.com/security/updates/classification/#important

8. Contact:

The Red Hat security contact is .  More contact
details at https://www.redhat.com/security/team/contact/

Copyright 2009 Red Hat, Inc.
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