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Red Hat Security Advisory 2015-0166-01

Red Hat Security Advisory 2015-0166-01
Posted Feb 11, 2015
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2015-0166-01 - 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 REPORT requests. A remote, unauthenticated attacker could use a specially crafted REPORT request to crash mod_dav_svn. A NULL pointer dereference flaw was found in the way the mod_dav_svn module handled certain requests for URIs that trigger a lookup of a virtual transaction name. A remote, unauthenticated attacker could send a request for a virtual transaction name that does not exist, causing mod_dav_svn to crash.

tags | advisory, remote, web
systems | linux, redhat
advisories | CVE-2014-3528, CVE-2014-3580, CVE-2014-8108
SHA-256 | 14ceb39b1255e0e10f6f24ed01245c9f79aba9bce5d54637ab1fcd4c09d61d42

Red Hat Security Advisory 2015-0166-01

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=====================================================================
Red Hat Security Advisory

Synopsis: Moderate: subversion security update
Advisory ID: RHSA-2015:0166-01
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2015-0166.html
Issue date: 2015-02-10
CVE Names: CVE-2014-3528 CVE-2014-3580 CVE-2014-8108
=====================================================================

1. Summary:

Updated subversion packages that fix three security issues are now
available for Red Hat Enterprise Linux 7.

Red Hat Product Security 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:

Red Hat Enterprise Linux Client Optional (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64
Red Hat Enterprise Linux Server (v. 7) - ppc64, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - x86_64
Red Hat Enterprise Linux Workstation Optional (v. 7) - 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 REPORT requests. A remote, unauthenticated attacker could use a
specially crafted REPORT request to crash mod_dav_svn. (CVE-2014-3580)

A NULL pointer dereference flaw was found in the way the mod_dav_svn module
handled certain requests for URIs that trigger a lookup of a virtual
transaction name. A remote, unauthenticated attacker could send a request
for a virtual transaction name that does not exist, causing mod_dav_svn to
crash. (CVE-2014-8108)

It was discovered that Subversion clients retrieved cached authentication
credentials using the MD5 hash of the server realm string without also
checking the server's URL. A malicious server able to provide a realm that
triggers an MD5 collision could possibly use this flaw to obtain the
credentials for a different realm. (CVE-2014-3528)

Red Hat would like to thank the Subversion project for reporting
CVE-2014-3580 and CVE-2014-8108. Upstream acknowledges Evgeny Kotkov of
VisualSVN as the original reporter.

All subversion users should upgrade to these updated packages, which
contain backported patches to correct these issues. After installing the
updated packages, for the update to take effect, you must restart the httpd
daemon, if you are using mod_dav_svn, and the svnserve daemon, if you are
serving Subversion repositories via the svn:// protocol.

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/articles/11258

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

1125799 - CVE-2014-3528 subversion: credentials leak via MD5 collision
1174054 - CVE-2014-3580 subversion: NULL pointer dereference flaw in mod_dav_svn when handling REPORT requests
1174057 - CVE-2014-8108 subversion: NULL pointer dereference flaw in mod_dav_svn when handling URIs for virtual transaction names

6. Package List:

Red Hat Enterprise Linux Client Optional (v. 7):

Source:
subversion-1.7.14-7.el7_0.src.rpm

x86_64:
mod_dav_svn-1.7.14-7.el7_0.x86_64.rpm
subversion-1.7.14-7.el7_0.i686.rpm
subversion-1.7.14-7.el7_0.x86_64.rpm
subversion-debuginfo-1.7.14-7.el7_0.i686.rpm
subversion-debuginfo-1.7.14-7.el7_0.x86_64.rpm
subversion-devel-1.7.14-7.el7_0.i686.rpm
subversion-devel-1.7.14-7.el7_0.x86_64.rpm
subversion-gnome-1.7.14-7.el7_0.i686.rpm
subversion-gnome-1.7.14-7.el7_0.x86_64.rpm
subversion-javahl-1.7.14-7.el7_0.i686.rpm
subversion-javahl-1.7.14-7.el7_0.x86_64.rpm
subversion-kde-1.7.14-7.el7_0.i686.rpm
subversion-kde-1.7.14-7.el7_0.x86_64.rpm
subversion-libs-1.7.14-7.el7_0.i686.rpm
subversion-libs-1.7.14-7.el7_0.x86_64.rpm
subversion-perl-1.7.14-7.el7_0.i686.rpm
subversion-perl-1.7.14-7.el7_0.x86_64.rpm
subversion-python-1.7.14-7.el7_0.x86_64.rpm
subversion-ruby-1.7.14-7.el7_0.i686.rpm
subversion-ruby-1.7.14-7.el7_0.x86_64.rpm
subversion-tools-1.7.14-7.el7_0.x86_64.rpm

Red Hat Enterprise Linux ComputeNode Optional (v. 7):

Source:
subversion-1.7.14-7.el7_0.src.rpm

x86_64:
mod_dav_svn-1.7.14-7.el7_0.x86_64.rpm
subversion-1.7.14-7.el7_0.i686.rpm
subversion-1.7.14-7.el7_0.x86_64.rpm
subversion-debuginfo-1.7.14-7.el7_0.i686.rpm
subversion-debuginfo-1.7.14-7.el7_0.x86_64.rpm
subversion-devel-1.7.14-7.el7_0.i686.rpm
subversion-devel-1.7.14-7.el7_0.x86_64.rpm
subversion-gnome-1.7.14-7.el7_0.i686.rpm
subversion-gnome-1.7.14-7.el7_0.x86_64.rpm
subversion-javahl-1.7.14-7.el7_0.i686.rpm
subversion-javahl-1.7.14-7.el7_0.x86_64.rpm
subversion-kde-1.7.14-7.el7_0.i686.rpm
subversion-kde-1.7.14-7.el7_0.x86_64.rpm
subversion-libs-1.7.14-7.el7_0.i686.rpm
subversion-libs-1.7.14-7.el7_0.x86_64.rpm
subversion-perl-1.7.14-7.el7_0.i686.rpm
subversion-perl-1.7.14-7.el7_0.x86_64.rpm
subversion-python-1.7.14-7.el7_0.x86_64.rpm
subversion-ruby-1.7.14-7.el7_0.i686.rpm
subversion-ruby-1.7.14-7.el7_0.x86_64.rpm
subversion-tools-1.7.14-7.el7_0.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
subversion-1.7.14-7.el7_0.src.rpm

ppc64:
mod_dav_svn-1.7.14-7.el7_0.ppc64.rpm
subversion-1.7.14-7.el7_0.ppc64.rpm
subversion-debuginfo-1.7.14-7.el7_0.ppc.rpm
subversion-debuginfo-1.7.14-7.el7_0.ppc64.rpm
subversion-libs-1.7.14-7.el7_0.ppc.rpm
subversion-libs-1.7.14-7.el7_0.ppc64.rpm

s390x:
mod_dav_svn-1.7.14-7.el7_0.s390x.rpm
subversion-1.7.14-7.el7_0.s390x.rpm
subversion-debuginfo-1.7.14-7.el7_0.s390.rpm
subversion-debuginfo-1.7.14-7.el7_0.s390x.rpm
subversion-libs-1.7.14-7.el7_0.s390.rpm
subversion-libs-1.7.14-7.el7_0.s390x.rpm

x86_64:
mod_dav_svn-1.7.14-7.el7_0.x86_64.rpm
subversion-1.7.14-7.el7_0.x86_64.rpm
subversion-debuginfo-1.7.14-7.el7_0.i686.rpm
subversion-debuginfo-1.7.14-7.el7_0.x86_64.rpm
subversion-libs-1.7.14-7.el7_0.i686.rpm
subversion-libs-1.7.14-7.el7_0.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 7):

ppc64:
subversion-1.7.14-7.el7_0.ppc.rpm
subversion-debuginfo-1.7.14-7.el7_0.ppc.rpm
subversion-debuginfo-1.7.14-7.el7_0.ppc64.rpm
subversion-devel-1.7.14-7.el7_0.ppc.rpm
subversion-devel-1.7.14-7.el7_0.ppc64.rpm
subversion-gnome-1.7.14-7.el7_0.ppc.rpm
subversion-gnome-1.7.14-7.el7_0.ppc64.rpm
subversion-javahl-1.7.14-7.el7_0.ppc.rpm
subversion-javahl-1.7.14-7.el7_0.ppc64.rpm
subversion-kde-1.7.14-7.el7_0.ppc.rpm
subversion-kde-1.7.14-7.el7_0.ppc64.rpm
subversion-perl-1.7.14-7.el7_0.ppc.rpm
subversion-perl-1.7.14-7.el7_0.ppc64.rpm
subversion-python-1.7.14-7.el7_0.ppc64.rpm
subversion-ruby-1.7.14-7.el7_0.ppc.rpm
subversion-ruby-1.7.14-7.el7_0.ppc64.rpm
subversion-tools-1.7.14-7.el7_0.ppc64.rpm

s390x:
subversion-1.7.14-7.el7_0.s390.rpm
subversion-debuginfo-1.7.14-7.el7_0.s390.rpm
subversion-debuginfo-1.7.14-7.el7_0.s390x.rpm
subversion-devel-1.7.14-7.el7_0.s390.rpm
subversion-devel-1.7.14-7.el7_0.s390x.rpm
subversion-gnome-1.7.14-7.el7_0.s390.rpm
subversion-gnome-1.7.14-7.el7_0.s390x.rpm
subversion-javahl-1.7.14-7.el7_0.s390.rpm
subversion-javahl-1.7.14-7.el7_0.s390x.rpm
subversion-kde-1.7.14-7.el7_0.s390.rpm
subversion-kde-1.7.14-7.el7_0.s390x.rpm
subversion-perl-1.7.14-7.el7_0.s390.rpm
subversion-perl-1.7.14-7.el7_0.s390x.rpm
subversion-python-1.7.14-7.el7_0.s390x.rpm
subversion-ruby-1.7.14-7.el7_0.s390.rpm
subversion-ruby-1.7.14-7.el7_0.s390x.rpm
subversion-tools-1.7.14-7.el7_0.s390x.rpm

x86_64:
subversion-1.7.14-7.el7_0.i686.rpm
subversion-debuginfo-1.7.14-7.el7_0.i686.rpm
subversion-debuginfo-1.7.14-7.el7_0.x86_64.rpm
subversion-devel-1.7.14-7.el7_0.i686.rpm
subversion-devel-1.7.14-7.el7_0.x86_64.rpm
subversion-gnome-1.7.14-7.el7_0.i686.rpm
subversion-gnome-1.7.14-7.el7_0.x86_64.rpm
subversion-javahl-1.7.14-7.el7_0.i686.rpm
subversion-javahl-1.7.14-7.el7_0.x86_64.rpm
subversion-kde-1.7.14-7.el7_0.i686.rpm
subversion-kde-1.7.14-7.el7_0.x86_64.rpm
subversion-perl-1.7.14-7.el7_0.i686.rpm
subversion-perl-1.7.14-7.el7_0.x86_64.rpm
subversion-python-1.7.14-7.el7_0.x86_64.rpm
subversion-ruby-1.7.14-7.el7_0.i686.rpm
subversion-ruby-1.7.14-7.el7_0.x86_64.rpm
subversion-tools-1.7.14-7.el7_0.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
subversion-1.7.14-7.el7_0.src.rpm

x86_64:
mod_dav_svn-1.7.14-7.el7_0.x86_64.rpm
subversion-1.7.14-7.el7_0.x86_64.rpm
subversion-debuginfo-1.7.14-7.el7_0.i686.rpm
subversion-debuginfo-1.7.14-7.el7_0.x86_64.rpm
subversion-libs-1.7.14-7.el7_0.i686.rpm
subversion-libs-1.7.14-7.el7_0.x86_64.rpm

Red Hat Enterprise Linux Workstation Optional (v. 7):

x86_64:
subversion-1.7.14-7.el7_0.i686.rpm
subversion-debuginfo-1.7.14-7.el7_0.i686.rpm
subversion-debuginfo-1.7.14-7.el7_0.x86_64.rpm
subversion-devel-1.7.14-7.el7_0.i686.rpm
subversion-devel-1.7.14-7.el7_0.x86_64.rpm
subversion-gnome-1.7.14-7.el7_0.i686.rpm
subversion-gnome-1.7.14-7.el7_0.x86_64.rpm
subversion-javahl-1.7.14-7.el7_0.i686.rpm
subversion-javahl-1.7.14-7.el7_0.x86_64.rpm
subversion-kde-1.7.14-7.el7_0.i686.rpm
subversion-kde-1.7.14-7.el7_0.x86_64.rpm
subversion-perl-1.7.14-7.el7_0.i686.rpm
subversion-perl-1.7.14-7.el7_0.x86_64.rpm
subversion-python-1.7.14-7.el7_0.x86_64.rpm
subversion-ruby-1.7.14-7.el7_0.i686.rpm
subversion-ruby-1.7.14-7.el7_0.x86_64.rpm
subversion-tools-1.7.14-7.el7_0.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/

7. References:

https://access.redhat.com/security/cve/CVE-2014-3528
https://access.redhat.com/security/cve/CVE-2014-3580
https://access.redhat.com/security/cve/CVE-2014-8108
https://access.redhat.com/security/updates/classification/#moderate
https://subversion.apache.org/security/CVE-2014-3528-advisory.txt
https://subversion.apache.org/security/CVE-2014-3580-advisory.txt
https://subversion.apache.org/security/CVE-2014-8108-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 2015 Red Hat, Inc.
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