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Linux Compatible » News » August 2008 » RHSA-2008:0839-01 Moderate: postfix security update

RHSA-2008:0839-01 Moderate: postfix security update

Posted by Bob on: 08/14/2008 09:20 PM [ Print | 0 comment(s) ]

A new update is available for Red Hat Enterprise Linux. Here the announcement:




-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

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

Synopsis: Moderate: postfix security update
Advisory ID: RHSA-2008:0839-01
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2008-0839.html
Issue date: 2008-08-14
CVE Names: CVE-2008-2936
=====================================================================

1. Summary:

Updated postfix packages that fix a security issue are now available for
Red Hat Enterprise Linux 3, 4, and 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 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
Red Hat Enterprise Linux AS version 4 - i386, ia64, ppc, s390, s390x, x86_64
Red Hat Enterprise Linux Desktop version 4 - i386, x86_64
Red Hat Enterprise Linux ES version 4 - i386, ia64, x86_64
Red Hat Enterprise Linux WS version 4 - i386, ia64, x86_64
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. Description:

Postfix is a Mail Transport Agent (MTA), supporting LDAP, SMTP AUTH (SASL),
and TLS.

A flaw was found in the way Postfix dereferences symbolic links. If a local
user has write access to a mail spool directory with no root mailbox, it
may be possible for them to append arbitrary data to files that root has
write permission to. (CVE-2008-2936)

Red Hat would like to thank Sebastian Krahmer for responsibly disclosing
this issue.

All users of postfix should upgrade to these updated packages, which
contain a backported patch that resolves 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. Bugs fixed (http://bugzilla.redhat.com/):

456314 - CVE-2008-2936 postfix privilege escalation flaw

6. Package List:

Red Hat Enterprise Linux AS version 3:

Source:
ftp://updates.redhat.com/enterprise/3AS/en/os/SRPMS/postfix-2.0.16-14.1.RHEL3.src.rpm

i386:
postfix-2.0.16-14.1.RHEL3.i386.rpm
postfix-debuginfo-2.0.16-14.1.RHEL3.i386.rpm

ia64:
postfix-2.0.16-14.1.RHEL3.ia64.rpm
postfix-debuginfo-2.0.16-14.1.RHEL3.ia64.rpm

ppc:
postfix-2.0.16-14.1.RHEL3.ppc.rpm
postfix-debuginfo-2.0.16-14.1.RHEL3.ppc.rpm

s390:
postfix-2.0.16-14.1.RHEL3.s390.rpm
postfix-debuginfo-2.0.16-14.1.RHEL3.s390.rpm

s390x:
postfix-2.0.16-14.1.RHEL3.s390x.rpm
postfix-debuginfo-2.0.16-14.1.RHEL3.s390x.rpm

x86_64:
postfix-2.0.16-14.1.RHEL3.x86_64.rpm
postfix-debuginfo-2.0.16-14.1.RHEL3.x86_64.rpm

Red Hat Desktop version 3:

Source:
ftp://updates.redhat.com/enterprise/3desktop/en/os/SRPMS/postfix-2.0.16-14.1.RHEL3.src.rpm

i386:
postfix-2.0.16-14.1.RHEL3.i386.rpm
postfix-debuginfo-2.0.16-14.1.RHEL3.i386.rpm

x86_64:
postfix-2.0.16-14.1.RHEL3.x86_64.rpm
postfix-debuginfo-2.0.16-14.1.RHEL3.x86_64.rpm

Red Hat Enterprise Linux ES version 3:

Source:
ftp://updates.redhat.com/enterprise/3ES/en/os/SRPMS/postfix-2.0.16-14.1.RHEL3.src.rpm

i386:
postfix-2.0.16-14.1.RHEL3.i386.rpm
postfix-debuginfo-2.0.16-14.1.RHEL3.i386.rpm

ia64:
postfix-2.0.16-14.1.RHEL3.ia64.rpm
postfix-debuginfo-2.0.16-14.1.RHEL3.ia64.rpm

x86_64:
postfix-2.0.16-14.1.RHEL3.x86_64.rpm
postfix-debuginfo-2.0.16-14.1.RHEL3.x86_64.rpm

Red Hat Enterprise Linux WS version 3:

Source:
ftp://updates.redhat.com/enterprise/3WS/en/os/SRPMS/postfix-2.0.16-14.1.RHEL3.src.rpm

i386:
postfix-2.0.16-14.1.RHEL3.i386.rpm
postfix-debuginfo-2.0.16-14.1.RHEL3.i386.rpm

ia64:
postfix-2.0.16-14.1.RHEL3.ia64.rpm
postfix-debuginfo-2.0.16-14.1.RHEL3.ia64.rpm

x86_64:
postfix-2.0.16-14.1.RHEL3.x86_64.rpm
postfix-debuginfo-2.0.16-14.1.RHEL3.x86_64.rpm

Red Hat Enterprise Linux AS version 4:

Source:
ftp://updates.redhat.com/enterprise/4AS/en/os/SRPMS/postfix-2.2.10-1.2.1.el4_7.src.rpm

i386:
postfix-2.2.10-1.2.1.el4_7.i386.rpm
postfix-debuginfo-2.2.10-1.2.1.el4_7.i386.rpm
postfix-pflogsumm-2.2.10-1.2.1.el4_7.i386.rpm

ia64:
postfix-2.2.10-1.2.1.el4_7.ia64.rpm
postfix-debuginfo-2.2.10-1.2.1.el4_7.ia64.rpm
postfix-pflogsumm-2.2.10-1.2.1.el4_7.ia64.rpm

ppc:
postfix-2.2.10-1.2.1.el4_7.ppc.rpm
postfix-debuginfo-2.2.10-1.2.1.el4_7.ppc.rpm
postfix-pflogsumm-2.2.10-1.2.1.el4_7.ppc.rpm

s390:
postfix-2.2.10-1.2.1.el4_7.s390.rpm
postfix-debuginfo-2.2.10-1.2.1.el4_7.s390.rpm
postfix-pflogsumm-2.2.10-1.2.1.el4_7.s390.rpm

s390x:
postfix-2.2.10-1.2.1.el4_7.s390x.rpm
postfix-debuginfo-2.2.10-1.2.1.el4_7.s390x.rpm
postfix-pflogsumm-2.2.10-1.2.1.el4_7.s390x.rpm

x86_64:
postfix-2.2.10-1.2.1.el4_7.x86_64.rpm
postfix-debuginfo-2.2.10-1.2.1.el4_7.x86_64.rpm
postfix-pflogsumm-2.2.10-1.2.1.el4_7.x86_64.rpm

Red Hat Enterprise Linux Desktop version 4:

Source:
ftp://updates.redhat.com/enterprise/4Desktop/en/os/SRPMS/postfix-2.2.10-1.2.1.el4_7.src.rpm

i386:
postfix-2.2.10-1.2.1.el4_7.i386.rpm
postfix-debuginfo-2.2.10-1.2.1.el4_7.i386.rpm
postfix-pflogsumm-2.2.10-1.2.1.el4_7.i386.rpm

x86_64:
postfix-2.2.10-1.2.1.el4_7.x86_64.rpm
postfix-debuginfo-2.2.10-1.2.1.el4_7.x86_64.rpm
postfix-pflogsumm-2.2.10-1.2.1.el4_7.x86_64.rpm

Red Hat Enterprise Linux ES version 4:

Source:
ftp://updates.redhat.com/enterprise/4ES/en/os/SRPMS/postfix-2.2.10-1.2.1.el4_7.src.rpm

i386:
postfix-2.2.10-1.2.1.el4_7.i386.rpm
postfix-debuginfo-2.2.10-1.2.1.el4_7.i386.rpm
postfix-pflogsumm-2.2.10-1.2.1.el4_7.i386.rpm

ia64:
postfix-2.2.10-1.2.1.el4_7.ia64.rpm
postfix-debuginfo-2.2.10-1.2.1.el4_7.ia64.rpm
postfix-pflogsumm-2.2.10-1.2.1.el4_7.ia64.rpm

x86_64:
postfix-2.2.10-1.2.1.el4_7.x86_64.rpm
postfix-debuginfo-2.2.10-1.2.1.el4_7.x86_64.rpm
postfix-pflogsumm-2.2.10-1.2.1.el4_7.x86_64.rpm

Red Hat Enterprise Linux WS version 4:

Source:
ftp://updates.redhat.com/enterprise/4WS/en/os/SRPMS/postfix-2.2.10-1.2.1.el4_7.src.rpm

i386:
postfix-2.2.10-1.2.1.el4_7.i386.rpm
postfix-debuginfo-2.2.10-1.2.1.el4_7.i386.rpm
postfix-pflogsumm-2.2.10-1.2.1.el4_7.i386.rpm

ia64:
postfix-2.2.10-1.2.1.el4_7.ia64.rpm
postfix-debuginfo-2.2.10-1.2.1.el4_7.ia64.rpm
postfix-pflogsumm-2.2.10-1.2.1.el4_7.ia64.rpm

x86_64:
postfix-2.2.10-1.2.1.el4_7.x86_64.rpm
postfix-debuginfo-2.2.10-1.2.1.el4_7.x86_64.rpm
postfix-pflogsumm-2.2.10-1.2.1.el4_7.x86_64.rpm

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

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/postfix-2.3.3-2.1.el5_2.src.rpm

i386:
postfix-2.3.3-2.1.el5_2.i386.rpm
postfix-debuginfo-2.3.3-2.1.el5_2.i386.rpm
postfix-pflogsumm-2.3.3-2.1.el5_2.i386.rpm

x86_64:
postfix-2.3.3-2.1.el5_2.x86_64.rpm
postfix-debuginfo-2.3.3-2.1.el5_2.x86_64.rpm
postfix-pflogsumm-2.3.3-2.1.el5_2.x86_64.rpm

Red Hat Enterprise Linux (v. 5 server):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/os/SRPMS/postfix-2.3.3-2.1.el5_2.src.rpm

i386:
postfix-2.3.3-2.1.el5_2.i386.rpm
postfix-debuginfo-2.3.3-2.1.el5_2.i386.rpm
postfix-pflogsumm-2.3.3-2.1.el5_2.i386.rpm

ia64:
postfix-2.3.3-2.1.el5_2.ia64.rpm
postfix-debuginfo-2.3.3-2.1.el5_2.ia64.rpm
postfix-pflogsumm-2.3.3-2.1.el5_2.ia64.rpm

ppc:
postfix-2.3.3-2.1.el5_2.ppc.rpm
postfix-debuginfo-2.3.3-2.1.el5_2.ppc.rpm
postfix-pflogsumm-2.3.3-2.1.el5_2.ppc.rpm

s390x:
postfix-2.3.3-2.1.el5_2.s390x.rpm
postfix-debuginfo-2.3.3-2.1.el5_2.s390x.rpm
postfix-pflogsumm-2.3.3-2.1.el5_2.s390x.rpm

x86_64:
postfix-2.3.3-2.1.el5_2.x86_64.rpm
postfix-debuginfo-2.3.3-2.1.el5_2.x86_64.rpm
postfix-pflogsumm-2.3.3-2.1.el5_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://www.redhat.com/security/team/key/#package

7. References:

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2936
http://www.redhat.com/security/updates/classification/#moderate

8. Contact:

The Red Hat security contact is lt;secalert@redhat.comgt;. More contact
details at https://www.redhat.com/security/team/contact/

Copyright 2008 Red Hat, Inc.
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Version: GnuPG v1.4.4 (GNU/Linux)

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Uj1O1J2ynPkcwteKIBDCPi4=
=fM3b
-----END PGP SIGNATURE-----


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