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             AUSCERT External Security Bulletin Redistribution

                   ESB-2006.0008 -- [UNIX/Linux][RedHat]
                 Critical: mod_auth_pgsql security update
                              9 January 2006

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           mod_auth_pgsql
Publisher:         Red Hat
Operating System:  Red Hat Enterprise Linux AS/ES/WS 4
                   Red Hat Enterprise Linux Desktop 4
                   Red Hat Enterprise Linux AS/ES/WS 3
                   Red Hat Desktop 3
                   UNIX variants (UNIX, Linux, OSX)
Impact:            Execute Arbitrary Code/Commands
Access:            Remote/Unauthenticated
CVE Names:         CVE-2005-3656

Original Bulletin: https://rhn.redhat.com/errata/RHSA-2006-0164.html

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                   Red Hat Security Advisory

Synopsis:          Critical: mod_auth_pgsql security update
Advisory ID:       RHSA-2006:0164-01
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2006-0164.html
Issue date:        2006-01-05
Updated on:        2006-01-05
Product:           Red Hat Enterprise Linux
CVE Names:         CVE-2005-3656
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1. Summary:

Updated mod_auth_pgsql packages that fix format string security issues are
now available for Red Hat Enterprise Linux 3 and 4.

This update has been rated as having critical 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

3. Problem description:

The mod_auth_pgsql package is an httpd module that allows user
authentication against information stored in a PostgreSQL database.

Several format string flaws were found in the way mod_auth_pgsql logs
information.  It may be possible for a remote attacker to execute arbitrary
code as the 'apache' user if mod_auth_pgsql is used for user
authentication. The Common Vulnerabilities and Exposures project assigned
the name CVE-2005-3656 to this issue.

Please note that this issue only affects servers which have mod_auth_pgsql
installed and configured to perform user authentication against a
PostgreSQL database.

All users of mod_auth_pgsql should upgrade to these updated packages, which
contain a backported patch to resolve this issue.

This issue does not affect the mod_auth_pgsql package supplied with Red Hat
Enterprise Linux 2.1.

Red Hat would like to thank iDefense for reporting this issue.

4. Solution:

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

This update is available via Red Hat Network.  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/):

177042 - CVE-2005-3656 mod_auth_pgsql format string issue


6. RPMs required:

Red Hat Enterprise Linux AS version 3:

SRPMS:
ftp://updates.redhat.com/enterprise/3AS/en/os/SRPMS/mod_auth_pgsql-2.0.1-4.ent.1.src.rpm
78d123ce4dd88d2b473f3def9d1f78d8  mod_auth_pgsql-2.0.1-4.ent.1.src.rpm

i386:
416d662759b7e9a6cac6db24813cadf9  mod_auth_pgsql-2.0.1-4.ent.1.i386.rpm

ia64:
4a72fdbf3b94d7d1891e66d8465a5798  mod_auth_pgsql-2.0.1-4.ent.1.ia64.rpm

ppc:
7b319bd7a03d74b6337b259f96950e8c  mod_auth_pgsql-2.0.1-4.ent.1.ppc.rpm

s390:
c989ef09e9c107cd05e9ca4e75bbc789  mod_auth_pgsql-2.0.1-4.ent.1.s390.rpm

s390x:
476139795bf63306aaf2d478fb471982  mod_auth_pgsql-2.0.1-4.ent.1.s390x.rpm

x86_64:
cb2bd4600e4fab1ffc7e2b1fbb2a6dfb  mod_auth_pgsql-2.0.1-4.ent.1.x86_64.rpm

Red Hat Desktop version 3:

SRPMS:
ftp://updates.redhat.com/enterprise/3desktop/en/os/SRPMS/mod_auth_pgsql-2.0.1-4.ent.1.src.rpm
78d123ce4dd88d2b473f3def9d1f78d8  mod_auth_pgsql-2.0.1-4.ent.1.src.rpm

i386:
416d662759b7e9a6cac6db24813cadf9  mod_auth_pgsql-2.0.1-4.ent.1.i386.rpm

x86_64:
cb2bd4600e4fab1ffc7e2b1fbb2a6dfb  mod_auth_pgsql-2.0.1-4.ent.1.x86_64.rpm

Red Hat Enterprise Linux ES version 3:

SRPMS:
ftp://updates.redhat.com/enterprise/3ES/en/os/SRPMS/mod_auth_pgsql-2.0.1-4.ent.1.src.rpm
78d123ce4dd88d2b473f3def9d1f78d8  mod_auth_pgsql-2.0.1-4.ent.1.src.rpm

i386:
416d662759b7e9a6cac6db24813cadf9  mod_auth_pgsql-2.0.1-4.ent.1.i386.rpm

ia64:
4a72fdbf3b94d7d1891e66d8465a5798  mod_auth_pgsql-2.0.1-4.ent.1.ia64.rpm

x86_64:
cb2bd4600e4fab1ffc7e2b1fbb2a6dfb  mod_auth_pgsql-2.0.1-4.ent.1.x86_64.rpm

Red Hat Enterprise Linux WS version 3:

SRPMS:
ftp://updates.redhat.com/enterprise/3WS/en/os/SRPMS/mod_auth_pgsql-2.0.1-4.ent.1.src.rpm
78d123ce4dd88d2b473f3def9d1f78d8  mod_auth_pgsql-2.0.1-4.ent.1.src.rpm

i386:
416d662759b7e9a6cac6db24813cadf9  mod_auth_pgsql-2.0.1-4.ent.1.i386.rpm

ia64:
4a72fdbf3b94d7d1891e66d8465a5798  mod_auth_pgsql-2.0.1-4.ent.1.ia64.rpm

x86_64:
cb2bd4600e4fab1ffc7e2b1fbb2a6dfb  mod_auth_pgsql-2.0.1-4.ent.1.x86_64.rpm

Red Hat Enterprise Linux AS version 4:

SRPMS:
ftp://updates.redhat.com/enterprise/4AS/en/os/SRPMS/mod_auth_pgsql-2.0.1-7.1.src.rpm
2a46d8268d1d434ed8ec089bf83e62bd  mod_auth_pgsql-2.0.1-7.1.src.rpm

i386:
19b586cf092086566de31c883b116f8f  mod_auth_pgsql-2.0.1-7.1.i386.rpm

ia64:
90ca4b0d4160b78edda12d3d300bc2bb  mod_auth_pgsql-2.0.1-7.1.ia64.rpm

ppc:
514eea209095325a9d0c4acb6c1a181f  mod_auth_pgsql-2.0.1-7.1.ppc.rpm

s390:
9c32645c2f524537233212c532e6d0a7  mod_auth_pgsql-2.0.1-7.1.s390.rpm

s390x:
7eef05e02885fad7fb86485fe2b46630  mod_auth_pgsql-2.0.1-7.1.s390x.rpm

x86_64:
542f993464e75b8e6370c453e1dc8c7d  mod_auth_pgsql-2.0.1-7.1.x86_64.rpm

Red Hat Enterprise Linux Desktop version 4:

SRPMS:
ftp://updates.redhat.com/enterprise/4Desktop/en/os/SRPMS/mod_auth_pgsql-2.0.1-7.1.src.rpm
2a46d8268d1d434ed8ec089bf83e62bd  mod_auth_pgsql-2.0.1-7.1.src.rpm

i386:
19b586cf092086566de31c883b116f8f  mod_auth_pgsql-2.0.1-7.1.i386.rpm

x86_64:
542f993464e75b8e6370c453e1dc8c7d  mod_auth_pgsql-2.0.1-7.1.x86_64.rpm

Red Hat Enterprise Linux ES version 4:

SRPMS:
ftp://updates.redhat.com/enterprise/4ES/en/os/SRPMS/mod_auth_pgsql-2.0.1-7.1.src.rpm
2a46d8268d1d434ed8ec089bf83e62bd  mod_auth_pgsql-2.0.1-7.1.src.rpm

i386:
19b586cf092086566de31c883b116f8f  mod_auth_pgsql-2.0.1-7.1.i386.rpm

ia64:
90ca4b0d4160b78edda12d3d300bc2bb  mod_auth_pgsql-2.0.1-7.1.ia64.rpm

x86_64:
542f993464e75b8e6370c453e1dc8c7d  mod_auth_pgsql-2.0.1-7.1.x86_64.rpm

Red Hat Enterprise Linux WS version 4:

SRPMS:
ftp://updates.redhat.com/enterprise/4WS/en/os/SRPMS/mod_auth_pgsql-2.0.1-7.1.src.rpm
2a46d8268d1d434ed8ec089bf83e62bd  mod_auth_pgsql-2.0.1-7.1.src.rpm

i386:
19b586cf092086566de31c883b116f8f  mod_auth_pgsql-2.0.1-7.1.i386.rpm

ia64:
90ca4b0d4160b78edda12d3d300bc2bb  mod_auth_pgsql-2.0.1-7.1.ia64.rpm

x86_64:
542f993464e75b8e6370c453e1dc8c7d  mod_auth_pgsql-2.0.1-7.1.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-2005-3656

8. Contact:

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

Copyright 2006 Red Hat, Inc.
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