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[RHSA-2007:0957-01] Moderate: opal security update



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                   Red Hat Security Advisory

Synopsis:          Moderate: opal security update
Advisory ID:       RHSA-2007:0957-01
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2007-0957.html
Issue date:        2007-10-08
Updated on:        2007-10-08
Product:           Red Hat Enterprise Linux
CVE Names:         CVE-2007-4924 
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1. Summary:

Updated opal packages that fix a security issue are now available for Red
Hat Enterprise Linux 5.

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

2. Relevant releases/architectures:

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

3. Problem description:

Open Phone Abstraction Library (opal) is implementation of various
telephony and video communication protocols for use over packet based 
networks.

In Red Hat Enterprise Linux 5, the Ekiga application uses opal.

A flaw was discovered in the way opal handled certain Session Initiation 
Protocol (SIP) packets.  An attacker could use this flaw to crash an 
application, such as Ekiga, which is linked with opal. (CVE-2007-4924)

Users should upgrade to these updated opal packages which contain a 
backported patch to correct this issue.

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
http://kbase.redhat.com/faq/FAQ_58_10188

5. Bug IDs fixed (http://bugzilla.redhat.com/):

296371 - CVE-2007-4924 ekiga remote crash caused by insufficient input validation

6. RPMs required:

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

SRPMS:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/opal-2.2.2-1.1.0.1.src.rpm
e8f4df804ac6245a4e41262f847b66da  opal-2.2.2-1.1.0.1.src.rpm

i386:
c15683ea9ee48593ccd10d86e5261594  opal-2.2.2-1.1.0.1.i386.rpm
99d76983467cfb165a2d6e90354d5fbb  opal-debuginfo-2.2.2-1.1.0.1.i386.rpm

x86_64:
6eade6ae26711964dd706eef11e200b5  opal-2.2.2-1.1.0.1.x86_64.rpm
3ae2495aa4e07a0a31c9e60f7b85136d  opal-debuginfo-2.2.2-1.1.0.1.x86_64.rpm

RHEL Desktop Workstation (v. 5 client):

SRPMS:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/opal-2.2.2-1.1.0.1.src.rpm
e8f4df804ac6245a4e41262f847b66da  opal-2.2.2-1.1.0.1.src.rpm

i386:
99d76983467cfb165a2d6e90354d5fbb  opal-debuginfo-2.2.2-1.1.0.1.i386.rpm
46f1516b61bf9ac4a2078141fe520c63  opal-devel-2.2.2-1.1.0.1.i386.rpm

x86_64:
3ae2495aa4e07a0a31c9e60f7b85136d  opal-debuginfo-2.2.2-1.1.0.1.x86_64.rpm
0610e0dbfb007c36b071032cba0a3382  opal-devel-2.2.2-1.1.0.1.x86_64.rpm

RHEL Optional Productivity Applications (v. 5 server):

SRPMS:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/os/SRPMS/opal-2.2.2-1.1.0.1.src.rpm
e8f4df804ac6245a4e41262f847b66da  opal-2.2.2-1.1.0.1.src.rpm

i386:
c15683ea9ee48593ccd10d86e5261594  opal-2.2.2-1.1.0.1.i386.rpm
99d76983467cfb165a2d6e90354d5fbb  opal-debuginfo-2.2.2-1.1.0.1.i386.rpm
46f1516b61bf9ac4a2078141fe520c63  opal-devel-2.2.2-1.1.0.1.i386.rpm

x86_64:
6eade6ae26711964dd706eef11e200b5  opal-2.2.2-1.1.0.1.x86_64.rpm
3ae2495aa4e07a0a31c9e60f7b85136d  opal-debuginfo-2.2.2-1.1.0.1.x86_64.rpm
0610e0dbfb007c36b071032cba0a3382  opal-devel-2.2.2-1.1.0.1.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:

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4924
http://www.redhat.com/security/updates/classification/#moderate

8. Contact:

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

Copyright 2007 Red Hat, Inc.
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