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Red Hat Security Advisory 2013-0737-01

Red Hat Security Advisory 2013-0737-01
Posted Apr 12, 2013
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2013-0737-01 - Subversion is a concurrent version control system which enables one or more users to collaborate in developing and maintaining a hierarchy of files and directories while keeping a history of all changes. The mod_dav_svn module is used with the Apache HTTP Server to allow access to Subversion repositories via HTTP. A NULL pointer dereference flaw was found in the way the mod_dav_svn module handled PROPFIND requests on activity URLs. A remote attacker could use this flaw to cause the httpd process serving the request to crash.

tags | advisory, remote, web
systems | linux, redhat
advisories | CVE-2013-1845, CVE-2013-1846, CVE-2013-1847, CVE-2013-1849
MD5 | c37973b61a1a415306483a0bd73ce392

Red Hat Security Advisory 2013-0737-01

Change Mirror Download
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=====================================================================
Red Hat Security Advisory

Synopsis: Moderate: subversion security update
Advisory ID: RHSA-2013:0737-01
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2013-0737.html
Issue date: 2013-04-11
CVE Names: CVE-2013-1845 CVE-2013-1846 CVE-2013-1847
CVE-2013-1849
=====================================================================

1. Summary:

Updated subversion packages that fix multiple security issues are now
available for Red Hat Enterprise Linux 5 and 6.

The Red Hat Security Response Team has rated this update as having moderate
security impact. Common Vulnerability Scoring System (CVSS) base scores,
which give detailed severity ratings, are available for each vulnerability
from the CVE links in the References section.

2. Relevant releases/architectures:

RHEL Desktop Workstation (v. 5 client) - i386, x86_64
Red Hat Enterprise Linux (v. 5 server) - i386, ia64, ppc, s390x, x86_64
Red Hat Enterprise Linux Desktop Optional (v. 6) - i386, noarch, x86_64
Red Hat Enterprise Linux HPC Node Optional (v. 6) - noarch, x86_64
Red Hat Enterprise Linux Server (v. 6) - i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 6) - i386, noarch, ppc64, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64
Red Hat Enterprise Linux Workstation Optional (v. 6) - i386, noarch, x86_64

3. Description:

Subversion (SVN) is a concurrent version control system which enables one
or more users to collaborate in developing and maintaining a hierarchy of
files and directories while keeping a history of all changes. The
mod_dav_svn module is used with the Apache HTTP Server to allow access to
Subversion repositories via HTTP.

A NULL pointer dereference flaw was found in the way the mod_dav_svn module
handled PROPFIND requests on activity URLs. A remote attacker could use
this flaw to cause the httpd process serving the request to crash.
(CVE-2013-1849)

A flaw was found in the way the mod_dav_svn module handled large numbers
of properties (such as those set with the "svn propset" command). A
malicious, remote user could use this flaw to cause the httpd process
serving the request to consume an excessive amount of system memory.
(CVE-2013-1845)

Two NULL pointer dereference flaws were found in the way the mod_dav_svn
module handled LOCK requests on certain types of URLs. A malicious, remote
user could use these flaws to cause the httpd process serving the request
to crash. (CVE-2013-1846, CVE-2013-1847)

Note: The CVE-2013-1849, CVE-2013-1846, and CVE-2013-1847 issues only
caused a temporary denial of service, as the Apache HTTP Server started a
new process to replace the crashed child process. When using prefork MPM,
the crash only affected the attacker. When using worker (threaded) MPM, the
connections of other users may have been interrupted.

Red Hat would like to thank the Apache Subversion project for reporting
these issues. Upstream acknowledges Alexander Klink as the original
reporter of CVE-2013-1845; Ben Reser as the original reporter of
CVE-2013-1846; and Philip Martin and Ben Reser as the original reporters of
CVE-2013-1847.

All subversion users should upgrade to these updated packages, which
contain backported patches to correct these issues. After installing the
updated packages, you must restart the httpd daemon, if you are using
mod_dav_svn, for the update to take effect.

4. Solution:

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

This update is available via the Red Hat Network. Details on how to
use the Red Hat Network to apply this update are available at
https://access.redhat.com/knowledge/articles/11258

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

929082 - CVE-2013-1845 Subversion (mod_dav_svn): DoS (excessive memory use) when large number of properties are set or deleted
929087 - CVE-2013-1846 Subversion (mod_dav_svn): DoS (crash) via LOCK requests against an activity URL
929090 - CVE-2013-1847 Subversion (mod_dav_svn): DoS (crash) via LOCK requests against a non-existent URL
929093 - CVE-2013-1849 Subversion (mod_dav_svn): DoS (crash) via PROPFIND request made against activity URLs

6. Package List:

RHEL Desktop Workstation (v. 5 client):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/subversion-1.6.11-11.el5_9.src.rpm

i386:
mod_dav_svn-1.6.11-11.el5_9.i386.rpm
subversion-1.6.11-11.el5_9.i386.rpm
subversion-debuginfo-1.6.11-11.el5_9.i386.rpm
subversion-devel-1.6.11-11.el5_9.i386.rpm
subversion-javahl-1.6.11-11.el5_9.i386.rpm
subversion-perl-1.6.11-11.el5_9.i386.rpm
subversion-ruby-1.6.11-11.el5_9.i386.rpm

x86_64:
mod_dav_svn-1.6.11-11.el5_9.x86_64.rpm
subversion-1.6.11-11.el5_9.i386.rpm
subversion-1.6.11-11.el5_9.x86_64.rpm
subversion-debuginfo-1.6.11-11.el5_9.i386.rpm
subversion-debuginfo-1.6.11-11.el5_9.x86_64.rpm
subversion-devel-1.6.11-11.el5_9.i386.rpm
subversion-devel-1.6.11-11.el5_9.x86_64.rpm
subversion-javahl-1.6.11-11.el5_9.x86_64.rpm
subversion-perl-1.6.11-11.el5_9.x86_64.rpm
subversion-ruby-1.6.11-11.el5_9.x86_64.rpm

Red Hat Enterprise Linux (v. 5 server):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/os/SRPMS/subversion-1.6.11-11.el5_9.src.rpm

i386:
mod_dav_svn-1.6.11-11.el5_9.i386.rpm
subversion-1.6.11-11.el5_9.i386.rpm
subversion-debuginfo-1.6.11-11.el5_9.i386.rpm
subversion-devel-1.6.11-11.el5_9.i386.rpm
subversion-javahl-1.6.11-11.el5_9.i386.rpm
subversion-perl-1.6.11-11.el5_9.i386.rpm
subversion-ruby-1.6.11-11.el5_9.i386.rpm

ia64:
mod_dav_svn-1.6.11-11.el5_9.ia64.rpm
subversion-1.6.11-11.el5_9.ia64.rpm
subversion-debuginfo-1.6.11-11.el5_9.ia64.rpm
subversion-devel-1.6.11-11.el5_9.ia64.rpm
subversion-javahl-1.6.11-11.el5_9.ia64.rpm
subversion-perl-1.6.11-11.el5_9.ia64.rpm
subversion-ruby-1.6.11-11.el5_9.ia64.rpm

ppc:
mod_dav_svn-1.6.11-11.el5_9.ppc.rpm
subversion-1.6.11-11.el5_9.ppc.rpm
subversion-1.6.11-11.el5_9.ppc64.rpm
subversion-debuginfo-1.6.11-11.el5_9.ppc.rpm
subversion-debuginfo-1.6.11-11.el5_9.ppc64.rpm
subversion-devel-1.6.11-11.el5_9.ppc.rpm
subversion-devel-1.6.11-11.el5_9.ppc64.rpm
subversion-javahl-1.6.11-11.el5_9.ppc.rpm
subversion-perl-1.6.11-11.el5_9.ppc.rpm
subversion-ruby-1.6.11-11.el5_9.ppc.rpm

s390x:
mod_dav_svn-1.6.11-11.el5_9.s390x.rpm
subversion-1.6.11-11.el5_9.s390.rpm
subversion-1.6.11-11.el5_9.s390x.rpm
subversion-debuginfo-1.6.11-11.el5_9.s390.rpm
subversion-debuginfo-1.6.11-11.el5_9.s390x.rpm
subversion-devel-1.6.11-11.el5_9.s390.rpm
subversion-devel-1.6.11-11.el5_9.s390x.rpm
subversion-javahl-1.6.11-11.el5_9.s390x.rpm
subversion-perl-1.6.11-11.el5_9.s390x.rpm
subversion-ruby-1.6.11-11.el5_9.s390x.rpm

x86_64:
mod_dav_svn-1.6.11-11.el5_9.x86_64.rpm
subversion-1.6.11-11.el5_9.i386.rpm
subversion-1.6.11-11.el5_9.x86_64.rpm
subversion-debuginfo-1.6.11-11.el5_9.i386.rpm
subversion-debuginfo-1.6.11-11.el5_9.x86_64.rpm
subversion-devel-1.6.11-11.el5_9.i386.rpm
subversion-devel-1.6.11-11.el5_9.x86_64.rpm
subversion-javahl-1.6.11-11.el5_9.x86_64.rpm
subversion-perl-1.6.11-11.el5_9.x86_64.rpm
subversion-ruby-1.6.11-11.el5_9.x86_64.rpm

Red Hat Enterprise Linux Desktop Optional (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Client/en/os/SRPMS/subversion-1.6.11-9.el6_4.src.rpm

i386:
mod_dav_svn-1.6.11-9.el6_4.i686.rpm
subversion-1.6.11-9.el6_4.i686.rpm
subversion-debuginfo-1.6.11-9.el6_4.i686.rpm
subversion-devel-1.6.11-9.el6_4.i686.rpm
subversion-gnome-1.6.11-9.el6_4.i686.rpm
subversion-javahl-1.6.11-9.el6_4.i686.rpm
subversion-kde-1.6.11-9.el6_4.i686.rpm
subversion-perl-1.6.11-9.el6_4.i686.rpm
subversion-ruby-1.6.11-9.el6_4.i686.rpm

noarch:
subversion-svn2cl-1.6.11-9.el6_4.noarch.rpm

x86_64:
mod_dav_svn-1.6.11-9.el6_4.x86_64.rpm
subversion-1.6.11-9.el6_4.i686.rpm
subversion-1.6.11-9.el6_4.x86_64.rpm
subversion-debuginfo-1.6.11-9.el6_4.i686.rpm
subversion-debuginfo-1.6.11-9.el6_4.x86_64.rpm
subversion-devel-1.6.11-9.el6_4.i686.rpm
subversion-devel-1.6.11-9.el6_4.x86_64.rpm
subversion-gnome-1.6.11-9.el6_4.i686.rpm
subversion-gnome-1.6.11-9.el6_4.x86_64.rpm
subversion-javahl-1.6.11-9.el6_4.i686.rpm
subversion-javahl-1.6.11-9.el6_4.x86_64.rpm
subversion-kde-1.6.11-9.el6_4.i686.rpm
subversion-kde-1.6.11-9.el6_4.x86_64.rpm
subversion-perl-1.6.11-9.el6_4.i686.rpm
subversion-perl-1.6.11-9.el6_4.x86_64.rpm
subversion-ruby-1.6.11-9.el6_4.i686.rpm
subversion-ruby-1.6.11-9.el6_4.x86_64.rpm

Red Hat Enterprise Linux HPC Node Optional (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6ComputeNode/en/os/SRPMS/subversion-1.6.11-9.el6_4.src.rpm

noarch:
subversion-svn2cl-1.6.11-9.el6_4.noarch.rpm

x86_64:
mod_dav_svn-1.6.11-9.el6_4.x86_64.rpm
subversion-1.6.11-9.el6_4.i686.rpm
subversion-1.6.11-9.el6_4.x86_64.rpm
subversion-debuginfo-1.6.11-9.el6_4.i686.rpm
subversion-debuginfo-1.6.11-9.el6_4.x86_64.rpm
subversion-devel-1.6.11-9.el6_4.i686.rpm
subversion-devel-1.6.11-9.el6_4.x86_64.rpm
subversion-gnome-1.6.11-9.el6_4.i686.rpm
subversion-gnome-1.6.11-9.el6_4.x86_64.rpm
subversion-javahl-1.6.11-9.el6_4.i686.rpm
subversion-javahl-1.6.11-9.el6_4.x86_64.rpm
subversion-kde-1.6.11-9.el6_4.i686.rpm
subversion-kde-1.6.11-9.el6_4.x86_64.rpm
subversion-perl-1.6.11-9.el6_4.i686.rpm
subversion-perl-1.6.11-9.el6_4.x86_64.rpm
subversion-ruby-1.6.11-9.el6_4.i686.rpm
subversion-ruby-1.6.11-9.el6_4.x86_64.rpm

Red Hat Enterprise Linux Server (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/os/SRPMS/subversion-1.6.11-9.el6_4.src.rpm

i386:
mod_dav_svn-1.6.11-9.el6_4.i686.rpm
subversion-1.6.11-9.el6_4.i686.rpm
subversion-debuginfo-1.6.11-9.el6_4.i686.rpm
subversion-javahl-1.6.11-9.el6_4.i686.rpm

ppc64:
mod_dav_svn-1.6.11-9.el6_4.ppc64.rpm
subversion-1.6.11-9.el6_4.ppc.rpm
subversion-1.6.11-9.el6_4.ppc64.rpm
subversion-debuginfo-1.6.11-9.el6_4.ppc.rpm
subversion-debuginfo-1.6.11-9.el6_4.ppc64.rpm

s390x:
mod_dav_svn-1.6.11-9.el6_4.s390x.rpm
subversion-1.6.11-9.el6_4.s390.rpm
subversion-1.6.11-9.el6_4.s390x.rpm
subversion-debuginfo-1.6.11-9.el6_4.s390.rpm
subversion-debuginfo-1.6.11-9.el6_4.s390x.rpm

x86_64:
mod_dav_svn-1.6.11-9.el6_4.x86_64.rpm
subversion-1.6.11-9.el6_4.i686.rpm
subversion-1.6.11-9.el6_4.x86_64.rpm
subversion-debuginfo-1.6.11-9.el6_4.i686.rpm
subversion-debuginfo-1.6.11-9.el6_4.x86_64.rpm
subversion-javahl-1.6.11-9.el6_4.i686.rpm
subversion-javahl-1.6.11-9.el6_4.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/os/SRPMS/subversion-1.6.11-9.el6_4.src.rpm

i386:
subversion-debuginfo-1.6.11-9.el6_4.i686.rpm
subversion-devel-1.6.11-9.el6_4.i686.rpm
subversion-gnome-1.6.11-9.el6_4.i686.rpm
subversion-kde-1.6.11-9.el6_4.i686.rpm
subversion-perl-1.6.11-9.el6_4.i686.rpm
subversion-ruby-1.6.11-9.el6_4.i686.rpm

noarch:
subversion-svn2cl-1.6.11-9.el6_4.noarch.rpm

ppc64:
subversion-debuginfo-1.6.11-9.el6_4.ppc.rpm
subversion-debuginfo-1.6.11-9.el6_4.ppc64.rpm
subversion-devel-1.6.11-9.el6_4.ppc.rpm
subversion-devel-1.6.11-9.el6_4.ppc64.rpm
subversion-gnome-1.6.11-9.el6_4.ppc.rpm
subversion-gnome-1.6.11-9.el6_4.ppc64.rpm
subversion-javahl-1.6.11-9.el6_4.ppc.rpm
subversion-javahl-1.6.11-9.el6_4.ppc64.rpm
subversion-kde-1.6.11-9.el6_4.ppc.rpm
subversion-kde-1.6.11-9.el6_4.ppc64.rpm
subversion-perl-1.6.11-9.el6_4.ppc.rpm
subversion-perl-1.6.11-9.el6_4.ppc64.rpm
subversion-ruby-1.6.11-9.el6_4.ppc.rpm
subversion-ruby-1.6.11-9.el6_4.ppc64.rpm

s390x:
subversion-debuginfo-1.6.11-9.el6_4.s390.rpm
subversion-debuginfo-1.6.11-9.el6_4.s390x.rpm
subversion-devel-1.6.11-9.el6_4.s390.rpm
subversion-devel-1.6.11-9.el6_4.s390x.rpm
subversion-gnome-1.6.11-9.el6_4.s390.rpm
subversion-gnome-1.6.11-9.el6_4.s390x.rpm
subversion-javahl-1.6.11-9.el6_4.s390.rpm
subversion-javahl-1.6.11-9.el6_4.s390x.rpm
subversion-kde-1.6.11-9.el6_4.s390.rpm
subversion-kde-1.6.11-9.el6_4.s390x.rpm
subversion-perl-1.6.11-9.el6_4.s390.rpm
subversion-perl-1.6.11-9.el6_4.s390x.rpm
subversion-ruby-1.6.11-9.el6_4.s390.rpm
subversion-ruby-1.6.11-9.el6_4.s390x.rpm

x86_64:
subversion-debuginfo-1.6.11-9.el6_4.i686.rpm
subversion-debuginfo-1.6.11-9.el6_4.x86_64.rpm
subversion-devel-1.6.11-9.el6_4.i686.rpm
subversion-devel-1.6.11-9.el6_4.x86_64.rpm
subversion-gnome-1.6.11-9.el6_4.i686.rpm
subversion-gnome-1.6.11-9.el6_4.x86_64.rpm
subversion-kde-1.6.11-9.el6_4.i686.rpm
subversion-kde-1.6.11-9.el6_4.x86_64.rpm
subversion-perl-1.6.11-9.el6_4.i686.rpm
subversion-perl-1.6.11-9.el6_4.x86_64.rpm
subversion-ruby-1.6.11-9.el6_4.i686.rpm
subversion-ruby-1.6.11-9.el6_4.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Workstation/en/os/SRPMS/subversion-1.6.11-9.el6_4.src.rpm

i386:
mod_dav_svn-1.6.11-9.el6_4.i686.rpm
subversion-1.6.11-9.el6_4.i686.rpm
subversion-debuginfo-1.6.11-9.el6_4.i686.rpm
subversion-javahl-1.6.11-9.el6_4.i686.rpm

x86_64:
mod_dav_svn-1.6.11-9.el6_4.x86_64.rpm
subversion-1.6.11-9.el6_4.i686.rpm
subversion-1.6.11-9.el6_4.x86_64.rpm
subversion-debuginfo-1.6.11-9.el6_4.i686.rpm
subversion-debuginfo-1.6.11-9.el6_4.x86_64.rpm
subversion-javahl-1.6.11-9.el6_4.i686.rpm
subversion-javahl-1.6.11-9.el6_4.x86_64.rpm

Red Hat Enterprise Linux Workstation Optional (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Workstation/en/os/SRPMS/subversion-1.6.11-9.el6_4.src.rpm

i386:
subversion-debuginfo-1.6.11-9.el6_4.i686.rpm
subversion-devel-1.6.11-9.el6_4.i686.rpm
subversion-gnome-1.6.11-9.el6_4.i686.rpm
subversion-kde-1.6.11-9.el6_4.i686.rpm
subversion-perl-1.6.11-9.el6_4.i686.rpm
subversion-ruby-1.6.11-9.el6_4.i686.rpm

noarch:
subversion-svn2cl-1.6.11-9.el6_4.noarch.rpm

x86_64:
subversion-debuginfo-1.6.11-9.el6_4.i686.rpm
subversion-debuginfo-1.6.11-9.el6_4.x86_64.rpm
subversion-devel-1.6.11-9.el6_4.i686.rpm
subversion-devel-1.6.11-9.el6_4.x86_64.rpm
subversion-gnome-1.6.11-9.el6_4.i686.rpm
subversion-gnome-1.6.11-9.el6_4.x86_64.rpm
subversion-kde-1.6.11-9.el6_4.i686.rpm
subversion-kde-1.6.11-9.el6_4.x86_64.rpm
subversion-perl-1.6.11-9.el6_4.i686.rpm
subversion-perl-1.6.11-9.el6_4.x86_64.rpm
subversion-ruby-1.6.11-9.el6_4.i686.rpm
subversion-ruby-1.6.11-9.el6_4.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://access.redhat.com/security/team/key/#package

7. References:

https://www.redhat.com/security/data/cve/CVE-2013-1845.html
https://www.redhat.com/security/data/cve/CVE-2013-1846.html
https://www.redhat.com/security/data/cve/CVE-2013-1847.html
https://www.redhat.com/security/data/cve/CVE-2013-1849.html
https://access.redhat.com/security/updates/classification/#moderate
http://subversion.apache.org/security/CVE-2013-1849-advisory.txt
http://subversion.apache.org/security/CVE-2013-1845-advisory.txt
http://subversion.apache.org/security/CVE-2013-1846-advisory.txt
http://subversion.apache.org/security/CVE-2013-1847-advisory.txt

8. Contact:

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

Copyright 2013 Red Hat, Inc.
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