RHSA-2005:358-01 Moderate: exim security update
Posted on: 09/08/2005 03:12 PM

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

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Red Hat Security Advisory

Synopsis: Moderate: exim security update
Advisory ID: RHSA-2005:358-01
Advisory URL: https://rhn.redhat.com/errata/RHSA-2005-358.html
Issue date: 2005-09-08
Updated on: 2005-09-08
Product: Red Hat Enterprise Linux
Cross references: RHSA-2005:761
CVE Names: CAN-2005-2491
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1. Summary:

Updated exim packages that fix a security issue in PCRE and a free space
computation on large file system bug are now available for Red Hat
Enterprise Linux 4.

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 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

3. Problem description:

Exim is a mail transport agent (MTA) developed at the University of
Cambridge for use on Unix systems connected to the Internet.

An integer overflow flaw was found in PCRE, a Perl-compatible regular
expression library included within Exim. A local user could create a
maliciously crafted regular expression in such as way that they could gain
the privileges of the 'exim' user. The Common Vulnerabilities and
Exposures project assigned the name CAN-2005-2491 to this issue. These
erratum packages change Exim to use the system PCRE library instead of the
internal one.

These packages also fix a minor flaw where the Exim Monitor was incorrectly
computing free space on very large file systems.

Users should upgrade to these erratum packages and also ensure they have
updated the system PCRE library, for which erratum packages are available
seperately in RHSA-2005:761

4. Solution:

Before applying this update, make sure that all previously-released
errata relevant to your system have been applied. Use Red Hat
Network to download and update your packages. To launch the Red Hat
Update Agent, use the following command:

up2date

For information on how to install packages manually, refer to the
following Web page for the System Administration or Customization
guide specific to your system:

http://www.redhat.com/docs/manuals/enterprise/

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

166332 - CAN-2005-2491 PCRE heap overflow


6. RPMs required:

Red Hat Enterprise Linux AS version 4:

SRPMS:
ftp://updates.redhat.com/enterprise/4AS/en/os/SRPMS/exim-4.43-1.RHEL4.5.src.rpm
7f53e76a039f4439116fdfda7164277e exim-4.43-1.RHEL4.5.src.rpm

i386:
3cedaa691ee80491012233bc7f6b5751 exim-4.43-1.RHEL4.5.i386.rpm
71cc7b677be34a85562b6dd92b75c136 exim-doc-4.43-1.RHEL4.5.i386.rpm
5ff347baab3ffa60d50560336a199a54 exim-mon-4.43-1.RHEL4.5.i386.rpm
6fd82576cc6f922e5296b53c6ff97c69 exim-sa-4.43-1.RHEL4.5.i386.rpm

ia64:
a4ac3e9dee59905dae00e5b7e330f9fd exim-4.43-1.RHEL4.5.ia64.rpm
ba202ea35047272f83f1f57e7e8e1f3d exim-doc-4.43-1.RHEL4.5.ia64.rpm
e0e9dd5323d335e227506712f7a6a820 exim-mon-4.43-1.RHEL4.5.ia64.rpm
95468315402e3e0d3140c9a21914b7af exim-sa-4.43-1.RHEL4.5.ia64.rpm

ppc:
ffd0e37c4407b5dedac0da6f49a14d09 exim-4.43-1.RHEL4.5.ppc.rpm
c0450ef0f06f9bd4b9183de41e3d7458 exim-doc-4.43-1.RHEL4.5.ppc.rpm
26e777eb5e558014c891b857b6d734f6 exim-mon-4.43-1.RHEL4.5.ppc.rpm
55bdf1ec67259d95ab493aacb64dec3d exim-sa-4.43-1.RHEL4.5.ppc.rpm

s390:
d291ff6c800d57ebf40da49d5b9088f4 exim-4.43-1.RHEL4.5.s390.rpm
7c5b13cd6b4544c7d9b815408cc8f4b2 exim-doc-4.43-1.RHEL4.5.s390.rpm
56718f4f626486eec8ec514a58682c9b exim-mon-4.43-1.RHEL4.5.s390.rpm
8f8e56895552a976808f5040b4fcb823 exim-sa-4.43-1.RHEL4.5.s390.rpm

s390x:
f5bd90cb6c486a76ded7766f2b81742a exim-4.43-1.RHEL4.5.s390x.rpm
dff099ef25b4af3c41b569ed9014938a exim-doc-4.43-1.RHEL4.5.s390x.rpm
1bfb1c3c1e9d60405d716ca55e2caa48 exim-mon-4.43-1.RHEL4.5.s390x.rpm
6f4af3e411cf415b5d25803cda2652a3 exim-sa-4.43-1.RHEL4.5.s390x.rpm

x86_64:
fae383601e1b7349492efef5e5b011cd exim-4.43-1.RHEL4.5.x86_64.rpm
fdcc6e36253529483bc6b8a36e5a17ea exim-doc-4.43-1.RHEL4.5.x86_64.rpm
5dc87e2087877d0c84a5a0e0ba93377a exim-mon-4.43-1.RHEL4.5.x86_64.rpm
f0da0c2ec5c405ed0fdb380059fc67a1 exim-sa-4.43-1.RHEL4.5.x86_64.rpm

Red Hat Enterprise Linux Desktop version 4:

SRPMS:
ftp://updates.redhat.com/enterprise/4Desktop/en/os/SRPMS/exim-4.43-1.RHEL4.5.src.rpm
7f53e76a039f4439116fdfda7164277e exim-4.43-1.RHEL4.5.src.rpm

i386:
3cedaa691ee80491012233bc7f6b5751 exim-4.43-1.RHEL4.5.i386.rpm
71cc7b677be34a85562b6dd92b75c136 exim-doc-4.43-1.RHEL4.5.i386.rpm
5ff347baab3ffa60d50560336a199a54 exim-mon-4.43-1.RHEL4.5.i386.rpm
6fd82576cc6f922e5296b53c6ff97c69 exim-sa-4.43-1.RHEL4.5.i386.rpm

x86_64:
fae383601e1b7349492efef5e5b011cd exim-4.43-1.RHEL4.5.x86_64.rpm
fdcc6e36253529483bc6b8a36e5a17ea exim-doc-4.43-1.RHEL4.5.x86_64.rpm
5dc87e2087877d0c84a5a0e0ba93377a exim-mon-4.43-1.RHEL4.5.x86_64.rpm
f0da0c2ec5c405ed0fdb380059fc67a1 exim-sa-4.43-1.RHEL4.5.x86_64.rpm

Red Hat Enterprise Linux ES version 4:

SRPMS:
ftp://updates.redhat.com/enterprise/4ES/en/os/SRPMS/exim-4.43-1.RHEL4.5.src.rpm
7f53e76a039f4439116fdfda7164277e exim-4.43-1.RHEL4.5.src.rpm

i386:
3cedaa691ee80491012233bc7f6b5751 exim-4.43-1.RHEL4.5.i386.rpm
71cc7b677be34a85562b6dd92b75c136 exim-doc-4.43-1.RHEL4.5.i386.rpm
5ff347baab3ffa60d50560336a199a54 exim-mon-4.43-1.RHEL4.5.i386.rpm
6fd82576cc6f922e5296b53c6ff97c69 exim-sa-4.43-1.RHEL4.5.i386.rpm

ia64:
a4ac3e9dee59905dae00e5b7e330f9fd exim-4.43-1.RHEL4.5.ia64.rpm
ba202ea35047272f83f1f57e7e8e1f3d exim-doc-4.43-1.RHEL4.5.ia64.rpm
e0e9dd5323d335e227506712f7a6a820 exim-mon-4.43-1.RHEL4.5.ia64.rpm
95468315402e3e0d3140c9a21914b7af exim-sa-4.43-1.RHEL4.5.ia64.rpm

x86_64:
fae383601e1b7349492efef5e5b011cd exim-4.43-1.RHEL4.5.x86_64.rpm
fdcc6e36253529483bc6b8a36e5a17ea exim-doc-4.43-1.RHEL4.5.x86_64.rpm
5dc87e2087877d0c84a5a0e0ba93377a exim-mon-4.43-1.RHEL4.5.x86_64.rpm
f0da0c2ec5c405ed0fdb380059fc67a1 exim-sa-4.43-1.RHEL4.5.x86_64.rpm

Red Hat Enterprise Linux WS version 4:

SRPMS:
ftp://updates.redhat.com/enterprise/4WS/en/os/SRPMS/exim-4.43-1.RHEL4.5.src.rpm
7f53e76a039f4439116fdfda7164277e exim-4.43-1.RHEL4.5.src.rpm

i386:
3cedaa691ee80491012233bc7f6b5751 exim-4.43-1.RHEL4.5.i386.rpm
71cc7b677be34a85562b6dd92b75c136 exim-doc-4.43-1.RHEL4.5.i386.rpm
5ff347baab3ffa60d50560336a199a54 exim-mon-4.43-1.RHEL4.5.i386.rpm
6fd82576cc6f922e5296b53c6ff97c69 exim-sa-4.43-1.RHEL4.5.i386.rpm

ia64:
a4ac3e9dee59905dae00e5b7e330f9fd exim-4.43-1.RHEL4.5.ia64.rpm
ba202ea35047272f83f1f57e7e8e1f3d exim-doc-4.43-1.RHEL4.5.ia64.rpm
e0e9dd5323d335e227506712f7a6a820 exim-mon-4.43-1.RHEL4.5.ia64.rpm
95468315402e3e0d3140c9a21914b7af exim-sa-4.43-1.RHEL4.5.ia64.rpm

x86_64:
fae383601e1b7349492efef5e5b011cd exim-4.43-1.RHEL4.5.x86_64.rpm
fdcc6e36253529483bc6b8a36e5a17ea exim-doc-4.43-1.RHEL4.5.x86_64.rpm
5dc87e2087877d0c84a5a0e0ba93377a exim-mon-4.43-1.RHEL4.5.x86_64.rpm
f0da0c2ec5c405ed0fdb380059fc67a1 exim-sa-4.43-1.RHEL4.5.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=CAN-2005-2491

8. Contact:

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

Copyright 2005 Red Hat, Inc.

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