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                   Red Hat Security Advisory

Synopsis:          Low: mod_perl security update
Advisory ID:       RHSA-2007:0396-02
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2007-0396.html
Issue date:        2007-06-20
Updated on:        2007-06-20
Product:           Red Hat Application Stack
CVE Names:         CVE-2007-1349 
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1. Summary:

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

This update has been rated as having low 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_perl incorporates a Perl interpreter into the Apache web server,
so that the Apache web server can directly execute Perl code.

An issue was found in the "namespace_from_uri" method of the
ModPerl::RegistryCooker class. If a server implemented a mod_perl registry
module using this method, a remote attacker requesting a carefully crafted
URI can cause resource consumption, which could lead to a denial of service
(CVE-2007-1349).

Users of mod_perl should update to these erratum packages which contain a
backported fix 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/):

240423 - CVE-2007-1349 mod_perl PerlRun denial of service

6. RPMs required:

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

SRPMS:
mod_perl-2.0.3-1.el4s1.3.src.rpm
71ce8c451f23f952b398a60613d27452  mod_perl-2.0.3-1.el4s1.3.src.rpm

i386:
071559439ac99e4e890b188b7bc3af34  mod_perl-2.0.3-1.el4s1.3.i386.rpm
01a1c66651d67919cfaed482354e9baa  mod_perl-debuginfo-2.0.3-1.el4s1.3.i386.rpm
55b67c6346ce43bf7d06379fc5ec1341  mod_perl-devel-2.0.3-1.el4s1.3.i386.rpm

x86_64:
376a4d9530a5efcd9341abaca2ee9fef  mod_perl-2.0.3-1.el4s1.3.x86_64.rpm
b04f7455c08e335141fb8116c4db7a75  mod_perl-debuginfo-2.0.3-1.el4s1.3.x86_64.rpm
eb4b8b127d93beb3214a59b4de25f251  mod_perl-devel-2.0.3-1.el4s1.3.x86_64.rpm

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

SRPMS:
mod_perl-2.0.3-1.el4s1.3.src.rpm
71ce8c451f23f952b398a60613d27452  mod_perl-2.0.3-1.el4s1.3.src.rpm

i386:
071559439ac99e4e890b188b7bc3af34  mod_perl-2.0.3-1.el4s1.3.i386.rpm
01a1c66651d67919cfaed482354e9baa  mod_perl-debuginfo-2.0.3-1.el4s1.3.i386.rpm
55b67c6346ce43bf7d06379fc5ec1341  mod_perl-devel-2.0.3-1.el4s1.3.i386.rpm

x86_64:
376a4d9530a5efcd9341abaca2ee9fef  mod_perl-2.0.3-1.el4s1.3.x86_64.rpm
b04f7455c08e335141fb8116c4db7a75  mod_perl-debuginfo-2.0.3-1.el4s1.3.x86_64.rpm
eb4b8b127d93beb3214a59b4de25f251  mod_perl-devel-2.0.3-1.el4s1.3.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-2007-1349
http://www.redhat.com/security/updates/classification/#low

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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