RHSA-2007:0096-01 Critical: mod_jk security update
Posted on: 03/02/2007 07:35 PM

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

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Red Hat Security Advisory

Synopsis: Critical: mod_jk security update
Advisory ID: RHSA-2007:0096-01
Advisory URL: https://rhn.redhat.com/errata/RHSA-2007-0096.html
Issue date: 2007-03-02
Updated on: 2007-03-02
Product: Red Hat Application Stack
CVE Names: CVE-2007-0774
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1. Summary:

Updated mod_jk packages that fix a security issue are now available for Red
Hat Application Stack v1.1.

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

2. Relevant releases/architectures:

Red Hat Application Stack v1 for Enterprise Linux AS (v.4) - i386, x86_64
Red Hat Application Stack v1 for Enterprise Linux ES (v.4) - i386, x86_64

3. Problem description:

mod_jk is a Tomcat connector that can be used to communicate between Tomcat
and the Apache HTTP Server 2. mod_jk was first distributed with Red Hat
Application Stack version 1.1 released on 19 February 2007.

A stack overflow flaw was found in the URI handler of mod_jk. A remote
attacker could visit a carefully crafted URL being handled by mod_jk and
trigger this flaw, which could lead to the execution of arbitrary code as the
'apache' user. (CVE-2007-0774)

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

Red Hat would like to thank TippingPoint and the Zero Day Initiative for
reporting this issue.

4. Solution:

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

To update all RPMs for your particular architecture, run:

rpm -Fvh [filenames]

where [filenames] is a list of the RPMs you wish to upgrade. Only those
RPMs which are currently installed will be updated. Those RPMs which are
not installed but included in the list will not be updated. Note that you
can also use wildcards (*.rpm) if your current directory *only* contains
the desired RPMs.

Please note that this update is also available via Red Hat Network. Many
people find this an easier way to apply updates. To use Red Hat Network,
launch the Red Hat Update Agent with the following command:

up2date

This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.

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

230045 - CVE-2007-0774 mod_jk overflow flaw

6. RPMs required:

Red Hat Application Stack v1 for Enterprise Linux AS (v.4):

SRPMS:
ftp://updates.redhat.com/enterprise/4AS/en/RHWAS/SRPMS/mod_jk-1.2.20-1.el4s1.2.src.rpm
53cfc442eaf404f5ff6e9d3ac8b65d9d mod_jk-1.2.20-1.el4s1.2.src.rpm

i386:
40a1276add3a9336b4391f46279f2ce5 mod_jk-ap20-1.2.20-1.el4s1.2.i386.rpm
601454f1c882149aaf10f4ec87278876 mod_jk-debuginfo-1.2.20-1.el4s1.2.i386.rpm
69eba1ce187bcb64adc400af5836e8c7 mod_jk-manual-1.2.20-1.el4s1.2.i386.rpm

x86_64:
f59150fc0501348d6031cea0b1df2eb1 mod_jk-ap20-1.2.20-1.el4s1.2.x86_64.rpm
4f6214772bb4a0412ccc892b3e052413 mod_jk-debuginfo-1.2.20-1.el4s1.2.x86_64.rpm
68a22cc1317cb05d979d29a2f5288ed3 mod_jk-manual-1.2.20-1.el4s1.2.x86_64.rpm

Red Hat Application Stack v1 for Enterprise Linux ES (v.4):

SRPMS:
ftp://updates.redhat.com/enterprise/4ES/en/RHWAS/SRPMS/mod_jk-1.2.20-1.el4s1.2.src.rpm
53cfc442eaf404f5ff6e9d3ac8b65d9d mod_jk-1.2.20-1.el4s1.2.src.rpm

i386:
40a1276add3a9336b4391f46279f2ce5 mod_jk-ap20-1.2.20-1.el4s1.2.i386.rpm
601454f1c882149aaf10f4ec87278876 mod_jk-debuginfo-1.2.20-1.el4s1.2.i386.rpm
69eba1ce187bcb64adc400af5836e8c7 mod_jk-manual-1.2.20-1.el4s1.2.i386.rpm

x86_64:
f59150fc0501348d6031cea0b1df2eb1 mod_jk-ap20-1.2.20-1.el4s1.2.x86_64.rpm
4f6214772bb4a0412ccc892b3e052413 mod_jk-debuginfo-1.2.20-1.el4s1.2.x86_64.rpm
68a22cc1317cb05d979d29a2f5288ed3 mod_jk-manual-1.2.20-1.el4s1.2.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-2007-0774
http://www.redhat.com/security/updates/classification/#critical

8. Contact:

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

Copyright 2007 Red Hat, Inc.
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