RHSA-2009:1107-01 Moderate: apr-util security update
Posted on: 06/16/2009 11:45 PM

A new update is available for Red Hat Enterprise Linux. Here the announcement:

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Red Hat Security Advisory

Synopsis: Moderate: apr-util security update
Advisory ID: RHSA-2009:1107-01
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2009-1107.html
Issue date: 2009-06-16
CVE Names: CVE-2009-0023 CVE-2009-1955 CVE-2009-1956
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1. Summary:

Updated apr-util packages that fix multiple security issues are now
available for Red Hat Enterprise Linux 4 and 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 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
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:

apr-util is a utility library used with the Apache Portable Runtime (APR).
It aims to provide a free library of C data structures and routines. This
library contains additional utility interfaces for APR; including support
for XML, LDAP, database interfaces, URI parsing, and more.

An off-by-one overflow flaw was found in the way apr-util processed a
variable list of arguments. An attacker could provide a specially-crafted
string as input for the formatted output conversion routine, which could,
on big-endian platforms, potentially lead to the disclosure of sensitive
information or a denial of service (application crash). (CVE-2009-1956)

Note: The CVE-2009-1956 flaw only affects big-endian platforms, such as the
IBM S/390 and PowerPC. It does not affect users using the apr-util package
on little-endian platforms, due to their different organization of byte
ordering used to represent particular data.

A denial of service flaw was found in the apr-util Extensible Markup
Language (XML) parser. A remote attacker could create a specially-crafted
XML document that would cause excessive memory consumption when processed
by the XML decoding engine. (CVE-2009-1955)

A heap-based underwrite flaw was found in the way apr-util created compiled
forms of particular search patterns. An attacker could formulate a
specially-crafted search keyword, that would overwrite arbitrary heap
memory locations when processed by the pattern preparation engine.
(CVE-2009-0023)

All apr-util users should upgrade to these updated packages, which contain
backported patches to correct these issues. Applications using the Apache
Portable Runtime library, such as httpd, must be restarted 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/):

503928 - CVE-2009-0023 apr-util heap buffer underwrite
504390 - CVE-2009-1956 apr-util single NULL byte buffer overflow
504555 - CVE-2009-1955 apr-util billion laughs attack

6. Package List:

Red Hat Enterprise Linux AS version 4:

Source:
ftp://updates.redhat.com/enterprise/4AS/en/os/SRPMS/apr-util-0.9.4-22.el4_8.1.src.rpm

i386:
apr-util-0.9.4-22.el4_8.1.i386.rpm
apr-util-debuginfo-0.9.4-22.el4_8.1.i386.rpm
apr-util-devel-0.9.4-22.el4_8.1.i386.rpm

ia64:
apr-util-0.9.4-22.el4_8.1.ia64.rpm
apr-util-debuginfo-0.9.4-22.el4_8.1.ia64.rpm
apr-util-devel-0.9.4-22.el4_8.1.ia64.rpm

ppc:
apr-util-0.9.4-22.el4_8.1.ppc.rpm
apr-util-debuginfo-0.9.4-22.el4_8.1.ppc.rpm
apr-util-devel-0.9.4-22.el4_8.1.ppc.rpm

s390:
apr-util-0.9.4-22.el4_8.1.s390.rpm
apr-util-debuginfo-0.9.4-22.el4_8.1.s390.rpm
apr-util-devel-0.9.4-22.el4_8.1.s390.rpm

s390x:
apr-util-0.9.4-22.el4_8.1.s390x.rpm
apr-util-debuginfo-0.9.4-22.el4_8.1.s390x.rpm
apr-util-devel-0.9.4-22.el4_8.1.s390x.rpm

x86_64:
apr-util-0.9.4-22.el4_8.1.x86_64.rpm
apr-util-debuginfo-0.9.4-22.el4_8.1.x86_64.rpm
apr-util-devel-0.9.4-22.el4_8.1.x86_64.rpm

Red Hat Enterprise Linux Desktop version 4:

Source:
ftp://updates.redhat.com/enterprise/4Desktop/en/os/SRPMS/apr-util-0.9.4-22.el4_8.1.src.rpm

i386:
apr-util-0.9.4-22.el4_8.1.i386.rpm
apr-util-debuginfo-0.9.4-22.el4_8.1.i386.rpm
apr-util-devel-0.9.4-22.el4_8.1.i386.rpm

x86_64:
apr-util-0.9.4-22.el4_8.1.x86_64.rpm
apr-util-debuginfo-0.9.4-22.el4_8.1.x86_64.rpm
apr-util-devel-0.9.4-22.el4_8.1.x86_64.rpm

Red Hat Enterprise Linux ES version 4:

Source:
ftp://updates.redhat.com/enterprise/4ES/en/os/SRPMS/apr-util-0.9.4-22.el4_8.1.src.rpm

i386:
apr-util-0.9.4-22.el4_8.1.i386.rpm
apr-util-debuginfo-0.9.4-22.el4_8.1.i386.rpm
apr-util-devel-0.9.4-22.el4_8.1.i386.rpm

ia64:
apr-util-0.9.4-22.el4_8.1.ia64.rpm
apr-util-debuginfo-0.9.4-22.el4_8.1.ia64.rpm
apr-util-devel-0.9.4-22.el4_8.1.ia64.rpm

x86_64:
apr-util-0.9.4-22.el4_8.1.x86_64.rpm
apr-util-debuginfo-0.9.4-22.el4_8.1.x86_64.rpm
apr-util-devel-0.9.4-22.el4_8.1.x86_64.rpm

Red Hat Enterprise Linux WS version 4:

Source:
ftp://updates.redhat.com/enterprise/4WS/en/os/SRPMS/apr-util-0.9.4-22.el4_8.1.src.rpm

i386:
apr-util-0.9.4-22.el4_8.1.i386.rpm
apr-util-debuginfo-0.9.4-22.el4_8.1.i386.rpm
apr-util-devel-0.9.4-22.el4_8.1.i386.rpm

ia64:
apr-util-0.9.4-22.el4_8.1.ia64.rpm
apr-util-debuginfo-0.9.4-22.el4_8.1.ia64.rpm
apr-util-devel-0.9.4-22.el4_8.1.ia64.rpm

x86_64:
apr-util-0.9.4-22.el4_8.1.x86_64.rpm
apr-util-debuginfo-0.9.4-22.el4_8.1.x86_64.rpm
apr-util-devel-0.9.4-22.el4_8.1.x86_64.rpm

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

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/apr-util-1.2.7-7.el5_3.1.src.rpm

i386:
apr-util-1.2.7-7.el5_3.1.i386.rpm
apr-util-debuginfo-1.2.7-7.el5_3.1.i386.rpm
apr-util-docs-1.2.7-7.el5_3.1.i386.rpm

x86_64:
apr-util-1.2.7-7.el5_3.1.i386.rpm
apr-util-1.2.7-7.el5_3.1.x86_64.rpm
apr-util-debuginfo-1.2.7-7.el5_3.1.i386.rpm
apr-util-debuginfo-1.2.7-7.el5_3.1.x86_64.rpm
apr-util-docs-1.2.7-7.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/apr-util-1.2.7-7.el5_3.1.src.rpm

i386:
apr-util-debuginfo-1.2.7-7.el5_3.1.i386.rpm
apr-util-devel-1.2.7-7.el5_3.1.i386.rpm

x86_64:
apr-util-debuginfo-1.2.7-7.el5_3.1.i386.rpm
apr-util-debuginfo-1.2.7-7.el5_3.1.x86_64.rpm
apr-util-devel-1.2.7-7.el5_3.1.i386.rpm
apr-util-devel-1.2.7-7.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/apr-util-1.2.7-7.el5_3.1.src.rpm

i386:
apr-util-1.2.7-7.el5_3.1.i386.rpm
apr-util-debuginfo-1.2.7-7.el5_3.1.i386.rpm
apr-util-devel-1.2.7-7.el5_3.1.i386.rpm
apr-util-docs-1.2.7-7.el5_3.1.i386.rpm

ia64:
apr-util-1.2.7-7.el5_3.1.ia64.rpm
apr-util-debuginfo-1.2.7-7.el5_3.1.ia64.rpm
apr-util-devel-1.2.7-7.el5_3.1.ia64.rpm
apr-util-docs-1.2.7-7.el5_3.1.ia64.rpm

ppc:
apr-util-1.2.7-7.el5_3.1.ppc.rpm
apr-util-1.2.7-7.el5_3.1.ppc64.rpm
apr-util-debuginfo-1.2.7-7.el5_3.1.ppc.rpm
apr-util-debuginfo-1.2.7-7.el5_3.1.ppc64.rpm
apr-util-devel-1.2.7-7.el5_3.1.ppc.rpm
apr-util-devel-1.2.7-7.el5_3.1.ppc64.rpm
apr-util-docs-1.2.7-7.el5_3.1.ppc.rpm

s390x:
apr-util-1.2.7-7.el5_3.1.s390.rpm
apr-util-1.2.7-7.el5_3.1.s390x.rpm
apr-util-debuginfo-1.2.7-7.el5_3.1.s390.rpm
apr-util-debuginfo-1.2.7-7.el5_3.1.s390x.rpm
apr-util-devel-1.2.7-7.el5_3.1.s390.rpm
apr-util-devel-1.2.7-7.el5_3.1.s390x.rpm
apr-util-docs-1.2.7-7.el5_3.1.s390x.rpm

x86_64:
apr-util-1.2.7-7.el5_3.1.i386.rpm
apr-util-1.2.7-7.el5_3.1.x86_64.rpm
apr-util-debuginfo-1.2.7-7.el5_3.1.i386.rpm
apr-util-debuginfo-1.2.7-7.el5_3.1.x86_64.rpm
apr-util-devel-1.2.7-7.el5_3.1.i386.rpm
apr-util-devel-1.2.7-7.el5_3.1.x86_64.rpm
apr-util-docs-1.2.7-7.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-2009-0023
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-1955
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-1956
http://www.redhat.com/security/updates/classification/#moderate

8. Contact:

The Red Hat security contact is lt;secalert@redhat.comgt;. More contact
details at https://www.redhat.com/security/team/contact/

Copyright 2009 Red Hat, Inc.
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