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RedHat: Moderate: xorg-x11-xfs security update Print E-mail
User Rating:      How can I rate this item?
Posted by Benjamin D. Thomas   
RedHat Linux Updated X.org packages that address a flaw in the way the X.Org X11 xfs font server starts are now available for Red Hat Enterprise Linux 5.A temporary file flaw was found in the way the X.Org X11 xfs font server startup script executes. A local user could modify the permissions of a file of their choosing, possibly elevating their local privileges. This update has been rated as having moderate security impact by the Red Hat Security Response Team.
- ---------------------------------------------------------------------
                   Red Hat Security Advisory

Synopsis:          Moderate: xorg-x11-xfs security update
Advisory ID:       RHSA-2007:0520-01
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2007-0520.html
Issue date:        2007-07-12
Updated on:        2007-07-12
Product:           Red Hat Enterprise Linux
CVE Names:         CVE-2007-3103 
- ---------------------------------------------------------------------

1. Summary:

Updated X.org packages that address a flaw in the way the X.Org X11 xfs
font server starts 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
Red Hat Enterprise Linux (v. 5 server) - i386, ia64, ppc, s390x, x86_64

3. Problem description:

The X.Org X11 xfs font server provides a standard mechanism for an X server
to communicate with a font renderer.

A temporary file flaw was found in the way the X.Org X11 xfs font server
startup script executes. A local user could modify the permissions of a
file of their choosing, possibly elevating their local privileges.
(CVE-2007-3103)

Users of the X.org X11 xfs font server should upgrade to these updated
packages, which contain a backported patch and are not vulnerable to 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/):

242903 - CVE-2007-3103 init.d xfs script chown race condition vulnerability

6. RPMs required:

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

SRPMS:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/xorg-x11-xfs-1.0.2-4.src.rpm
7f6d90098c6a752c16894315b85e739e  xorg-x11-xfs-1.0.2-4.src.rpm

i386:
94318ae2d5f02439c58541c5a9c34314  xorg-x11-xfs-1.0.2-4.i386.rpm
8880bbe448c5d423e2056800b56e3636  xorg-x11-xfs-debuginfo-1.0.2-4.i386.rpm
1e54d7037ede3c1a5476d3ad65b62eb0  xorg-x11-xfs-utils-1.0.2-4.i386.rpm

x86_64:
434fb4f47152e671d0c59b9b677295a8  xorg-x11-xfs-1.0.2-4.x86_64.rpm
091aefa331d43036745b55d90c59a4b4  xorg-x11-xfs-debuginfo-1.0.2-4.x86_64.rpm
6cea61c7098202810b812aba74e8610c  xorg-x11-xfs-utils-1.0.2-4.x86_64.rpm

Red Hat Enterprise Linux (v. 5 server):

SRPMS:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/os/SRPMS/xorg-x11-xfs-1.0.2-4.src.rpm
7f6d90098c6a752c16894315b85e739e  xorg-x11-xfs-1.0.2-4.src.rpm

i386:
94318ae2d5f02439c58541c5a9c34314  xorg-x11-xfs-1.0.2-4.i386.rpm
8880bbe448c5d423e2056800b56e3636  xorg-x11-xfs-debuginfo-1.0.2-4.i386.rpm
1e54d7037ede3c1a5476d3ad65b62eb0  xorg-x11-xfs-utils-1.0.2-4.i386.rpm

ia64:
9657c080a0362243369a9b54f5207851  xorg-x11-xfs-1.0.2-4.ia64.rpm
1ae3c7834e7e591c3e13b8babb1f9485  xorg-x11-xfs-debuginfo-1.0.2-4.ia64.rpm
346da7e5c6d4660d510016d44fabc095  xorg-x11-xfs-utils-1.0.2-4.ia64.rpm

ppc:
2a140017df1fefae7828547975f0d48a  xorg-x11-xfs-1.0.2-4.ppc.rpm
8eb1e6ded2137a78a7258d16f823f2bd  xorg-x11-xfs-debuginfo-1.0.2-4.ppc.rpm
703f21661da66e60c38a2356643078f6  xorg-x11-xfs-utils-1.0.2-4.ppc.rpm

s390x:
faaacf77fde117b6c71afcb60c7c9508  xorg-x11-xfs-1.0.2-4.s390x.rpm
4a56c7298da2c1ece7ce05a076989637  xorg-x11-xfs-debuginfo-1.0.2-4.s390x.rpm
86b097cc09ab2ab9a7687755950b7279  xorg-x11-xfs-utils-1.0.2-4.s390x.rpm

x86_64:
434fb4f47152e671d0c59b9b677295a8  xorg-x11-xfs-1.0.2-4.x86_64.rpm
091aefa331d43036745b55d90c59a4b4  xorg-x11-xfs-debuginfo-1.0.2-4.x86_64.rpm
6cea61c7098202810b812aba74e8610c  xorg-x11-xfs-utils-1.0.2-4.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-2007-3103
http://www.redhat.com/security/updates/classification/#moderate

8. Contact:

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

Copyright 2007 Red Hat, Inc.
 
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