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             AUSCERT External Security Bulletin Redistribution

            ESB-2009.0510 -- [Win][Netware][UNIX/Linux][RedHat]
                       httpd: Execute Arbitrary Code
                                28 May 2009

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

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

Product:              Apache HTTP Server
Publisher:            Red Hat
Operating System:     Red Hat Linux 5
                      UNIX variants (UNIX, Linux, OSX)
                      Windows
                      Netware
Impact:               Execute Arbitrary Code/Commands
                      Denial of Service
Access:               Remote/Unauthenticated
CVE Names:            CVE-2009-1195 CVE-2008-1678

Ref:                  ESB-2008.0959

Original Bulletin:    https://rhn.redhat.com/errata/RHSA-2009-1075.html

Comment: This advisory references vulnerabilities in products which run on
         platforms other than Red Hat. It is recommended that administrators
         running httpd check for an updated version of the software for
         their operating system.

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                   Red Hat Security Advisory

Synopsis:          Moderate: httpd security update
Advisory ID:       RHSA-2009:1075-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2009-1075.html
Issue date:        2009-05-27
CVE Names:         CVE-2008-1678 CVE-2009-1195 
=====================================================================

1. Summary:

Updated httpd packages that fix two security issues are now available for
Red Hat Enterprise Linux 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 Desktop (v. 5 client) - i386, x86_64
RHEL Desktop Workstation (v. 5 client) - i386, x86_64
Red Hat Enterprise Linux (v. 5 server) - i386, ia64, ppc, s390x, x86_64

3. Description:

The Apache HTTP Server is a popular and freely-available Web server.

A flaw was found in the handling of compression structures between mod_ssl
and OpenSSL. If too many connections were opened in a short period of time,
all system memory and swap space would be consumed by httpd, negatively
impacting other processes, or causing a system crash. (CVE-2008-1678)

Note: The CVE-2008-1678 issue did not affect Red Hat Enterprise Linux 5
prior to 5.3. The problem was introduced via the RHBA-2009:0181 errata in
Red Hat Enterprise Linux 5.3, which upgraded OpenSSL to the newer 0.9.8e
version.

A flaw was found in the handling of the "Options" and "AllowOverride"
directives. In configurations using the "AllowOverride" directive with
certain "Options=" arguments, local users were not restricted from
executing commands from a Server-Side-Include script as intended.
(CVE-2009-1195)

All httpd users should upgrade to these updated packages, which contain
backported patches to resolve these issues. Users must restart httpd for
this update to take effect.

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/docs/DOC-11259

5. Bugs fixed (http://bugzilla.redhat.com/):

447268 - CVE-2008-1678 httpd: mod_ssl per-connection memory leak for 
         connections with zlib compression
489436 - CVE-2009-1195 AllowOverride Options=IncludesNoExec allows Options 
         Includes
497077 - memory leak in httpd

6. Package List:

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

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/httpd-2.2.3-22.el5_3.1.src.rpm

i386:
httpd-2.2.3-22.el5_3.1.i386.rpm
httpd-debuginfo-2.2.3-22.el5_3.1.i386.rpm
mod_ssl-2.2.3-22.el5_3.1.i386.rpm

x86_64:
httpd-2.2.3-22.el5_3.1.x86_64.rpm
httpd-debuginfo-2.2.3-22.el5_3.1.x86_64.rpm
mod_ssl-2.2.3-22.el5_3.1.x86_64.rpm

RHEL Desktop Workstation (v. 5 client):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/httpd-2.2.3-22.el5_3.1.src.rpm

i386:
httpd-debuginfo-2.2.3-22.el5_3.1.i386.rpm
httpd-devel-2.2.3-22.el5_3.1.i386.rpm
httpd-manual-2.2.3-22.el5_3.1.i386.rpm

x86_64:
httpd-debuginfo-2.2.3-22.el5_3.1.i386.rpm
httpd-debuginfo-2.2.3-22.el5_3.1.x86_64.rpm
httpd-devel-2.2.3-22.el5_3.1.i386.rpm
httpd-devel-2.2.3-22.el5_3.1.x86_64.rpm
httpd-manual-2.2.3-22.el5_3.1.x86_64.rpm

Red Hat Enterprise Linux (v. 5 server):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/os/SRPMS/httpd-2.2.3-22.el5_3.1.src.rpm

i386:
httpd-2.2.3-22.el5_3.1.i386.rpm
httpd-debuginfo-2.2.3-22.el5_3.1.i386.rpm
httpd-devel-2.2.3-22.el5_3.1.i386.rpm
httpd-manual-2.2.3-22.el5_3.1.i386.rpm
mod_ssl-2.2.3-22.el5_3.1.i386.rpm

ia64:
httpd-2.2.3-22.el5_3.1.ia64.rpm
httpd-debuginfo-2.2.3-22.el5_3.1.ia64.rpm
httpd-devel-2.2.3-22.el5_3.1.ia64.rpm
httpd-manual-2.2.3-22.el5_3.1.ia64.rpm
mod_ssl-2.2.3-22.el5_3.1.ia64.rpm

ppc:
httpd-2.2.3-22.el5_3.1.ppc.rpm
httpd-debuginfo-2.2.3-22.el5_3.1.ppc.rpm
httpd-debuginfo-2.2.3-22.el5_3.1.ppc64.rpm
httpd-devel-2.2.3-22.el5_3.1.ppc.rpm
httpd-devel-2.2.3-22.el5_3.1.ppc64.rpm
httpd-manual-2.2.3-22.el5_3.1.ppc.rpm
mod_ssl-2.2.3-22.el5_3.1.ppc.rpm

s390x:
httpd-2.2.3-22.el5_3.1.s390x.rpm
httpd-debuginfo-2.2.3-22.el5_3.1.s390.rpm
httpd-debuginfo-2.2.3-22.el5_3.1.s390x.rpm
httpd-devel-2.2.3-22.el5_3.1.s390.rpm
httpd-devel-2.2.3-22.el5_3.1.s390x.rpm
httpd-manual-2.2.3-22.el5_3.1.s390x.rpm
mod_ssl-2.2.3-22.el5_3.1.s390x.rpm

x86_64:
httpd-2.2.3-22.el5_3.1.x86_64.rpm
httpd-debuginfo-2.2.3-22.el5_3.1.i386.rpm
httpd-debuginfo-2.2.3-22.el5_3.1.x86_64.rpm
httpd-devel-2.2.3-22.el5_3.1.i386.rpm
httpd-devel-2.2.3-22.el5_3.1.x86_64.rpm
httpd-manual-2.2.3-22.el5_3.1.x86_64.rpm
mod_ssl-2.2.3-22.el5_3.1.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-2008-1678
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-1195
http://www.redhat.com/security/updates/classification/#moderate

8. Contact:

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

Copyright 2009 Red Hat, Inc.
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