Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
===========================================================================
AUSCERT External Security Bulletin Redistribution
ESB-2010.0948
Important: glibc security update
21 October 2010
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: glibc
Publisher: Red Hat
Operating System: Red Hat Enterprise Linux Server 5
Red Hat Enterprise Linux WS/Desktop 5
Impact/Access: Increased Privileges -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2010-3847
Original Bulletin:
https://rhn.redhat.com/errata/RHSA-2010-0787.html
- --------------------------BEGIN INCLUDED TEXT--------------------
- -----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
=====================================================================
Red Hat Security Advisory
Synopsis: Important: glibc security update
Advisory ID: RHSA-2010:0787-01
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2010-0787.html
Issue date: 2010-10-20
CVE Names: CVE-2010-3847
=====================================================================
1. Summary:
Updated glibc packages that fix one security issue are now available for
Red Hat Enterprise Linux 5.
The Red Hat Security Response Team has rated this update as having
important security impact. A Common Vulnerability Scoring System (CVSS)
base score, which gives a detailed severity rating, is available from the
CVE link in the References section.
2. Relevant releases/architectures:
Red Hat Enterprise Linux (v. 5 server) - i386, ia64, ppc, s390x, x86_64
Red Hat Enterprise Linux Desktop (v. 5 client) - i386, x86_64
3. Description:
The glibc packages contain the standard C libraries used by multiple
programs on the system. These packages contain the standard C and the
standard math libraries. Without these two libraries, a Linux system cannot
function properly.
It was discovered that the glibc dynamic linker/loader did not handle the
$ORIGIN dynamic string token set in the LD_AUDIT environment variable
securely. A local attacker with write access to a file system containing
setuid or setgid binaries could use this flaw to escalate their privileges.
(CVE-2010-3847)
Red Hat would like to thank Tavis Ormandy for reporting this issue.
All users should upgrade to these updated packages, which contain a
backported patch to correct 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 the 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/):
643306 - CVE-2010-3847 glibc: ld.so insecure handling of $ORIGIN in LD_AUDIT for setuid/setgid programs
6. Package List:
Red Hat Enterprise Linux Desktop (v. 5 client):
Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/glibc-2.5-49.el5_5.6.src.rpm
i386:
glibc-2.5-49.el5_5.6.i386.rpm
glibc-2.5-49.el5_5.6.i686.rpm
glibc-common-2.5-49.el5_5.6.i386.rpm
glibc-debuginfo-2.5-49.el5_5.6.i386.rpm
glibc-debuginfo-2.5-49.el5_5.6.i686.rpm
glibc-debuginfo-common-2.5-49.el5_5.6.i386.rpm
glibc-devel-2.5-49.el5_5.6.i386.rpm
glibc-headers-2.5-49.el5_5.6.i386.rpm
glibc-utils-2.5-49.el5_5.6.i386.rpm
nscd-2.5-49.el5_5.6.i386.rpm
x86_64:
glibc-2.5-49.el5_5.6.i686.rpm
glibc-2.5-49.el5_5.6.x86_64.rpm
glibc-common-2.5-49.el5_5.6.x86_64.rpm
glibc-debuginfo-2.5-49.el5_5.6.i386.rpm
glibc-debuginfo-2.5-49.el5_5.6.i686.rpm
glibc-debuginfo-2.5-49.el5_5.6.x86_64.rpm
glibc-debuginfo-common-2.5-49.el5_5.6.i386.rpm
glibc-devel-2.5-49.el5_5.6.i386.rpm
glibc-devel-2.5-49.el5_5.6.x86_64.rpm
glibc-headers-2.5-49.el5_5.6.x86_64.rpm
glibc-utils-2.5-49.el5_5.6.x86_64.rpm
nscd-2.5-49.el5_5.6.x86_64.rpm
Red Hat Enterprise Linux (v. 5 server):
Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/os/SRPMS/glibc-2.5-49.el5_5.6.src.rpm
i386:
glibc-2.5-49.el5_5.6.i386.rpm
glibc-2.5-49.el5_5.6.i686.rpm
glibc-common-2.5-49.el5_5.6.i386.rpm
glibc-debuginfo-2.5-49.el5_5.6.i386.rpm
glibc-debuginfo-2.5-49.el5_5.6.i686.rpm
glibc-debuginfo-common-2.5-49.el5_5.6.i386.rpm
glibc-devel-2.5-49.el5_5.6.i386.rpm
glibc-headers-2.5-49.el5_5.6.i386.rpm
glibc-utils-2.5-49.el5_5.6.i386.rpm
nscd-2.5-49.el5_5.6.i386.rpm
ia64:
glibc-2.5-49.el5_5.6.i686.rpm
glibc-2.5-49.el5_5.6.ia64.rpm
glibc-common-2.5-49.el5_5.6.ia64.rpm
glibc-debuginfo-2.5-49.el5_5.6.i686.rpm
glibc-debuginfo-2.5-49.el5_5.6.ia64.rpm
glibc-debuginfo-common-2.5-49.el5_5.6.i386.rpm
glibc-devel-2.5-49.el5_5.6.ia64.rpm
glibc-headers-2.5-49.el5_5.6.ia64.rpm
glibc-utils-2.5-49.el5_5.6.ia64.rpm
nscd-2.5-49.el5_5.6.ia64.rpm
ppc:
glibc-2.5-49.el5_5.6.ppc.rpm
glibc-2.5-49.el5_5.6.ppc64.rpm
glibc-common-2.5-49.el5_5.6.ppc.rpm
glibc-debuginfo-2.5-49.el5_5.6.ppc.rpm
glibc-debuginfo-2.5-49.el5_5.6.ppc64.rpm
glibc-devel-2.5-49.el5_5.6.ppc.rpm
glibc-devel-2.5-49.el5_5.6.ppc64.rpm
glibc-headers-2.5-49.el5_5.6.ppc.rpm
glibc-utils-2.5-49.el5_5.6.ppc.rpm
nscd-2.5-49.el5_5.6.ppc.rpm
s390x:
glibc-2.5-49.el5_5.6.s390.rpm
glibc-2.5-49.el5_5.6.s390x.rpm
glibc-common-2.5-49.el5_5.6.s390x.rpm
glibc-debuginfo-2.5-49.el5_5.6.s390.rpm
glibc-debuginfo-2.5-49.el5_5.6.s390x.rpm
glibc-devel-2.5-49.el5_5.6.s390.rpm
glibc-devel-2.5-49.el5_5.6.s390x.rpm
glibc-headers-2.5-49.el5_5.6.s390x.rpm
glibc-utils-2.5-49.el5_5.6.s390x.rpm
nscd-2.5-49.el5_5.6.s390x.rpm
x86_64:
glibc-2.5-49.el5_5.6.i686.rpm
glibc-2.5-49.el5_5.6.x86_64.rpm
glibc-common-2.5-49.el5_5.6.x86_64.rpm
glibc-debuginfo-2.5-49.el5_5.6.i386.rpm
glibc-debuginfo-2.5-49.el5_5.6.i686.rpm
glibc-debuginfo-2.5-49.el5_5.6.x86_64.rpm
glibc-debuginfo-common-2.5-49.el5_5.6.i386.rpm
glibc-devel-2.5-49.el5_5.6.i386.rpm
glibc-devel-2.5-49.el5_5.6.x86_64.rpm
glibc-headers-2.5-49.el5_5.6.x86_64.rpm
glibc-utils-2.5-49.el5_5.6.x86_64.rpm
nscd-2.5-49.el5_5.6.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:
https://www.redhat.com/security/data/cve/CVE-2010-3847.html
http://www.redhat.com/security/updates/classification/#important
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://www.redhat.com/security/team/contact/
Copyright 2010 Red Hat, Inc.
- -----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.4 (GNU/Linux)
iD8DBQFMv3uSXlSAg2UNWIIRAmI9AJ44IJRBJW+fPulMdAWx0b8Ss6OeTgCdGhi7
LTAnaUtraxS2nd8UnXSUFhc=
=ccj+
- -----END PGP SIGNATURE-----
- --------------------------END INCLUDED TEXT--------------------
You have received this e-mail bulletin as a result of your organisation's
registration with AusCERT. The mailing list you are subscribed to is
maintained within your organisation, so if you do not wish to continue
receiving these bulletins you should contact your local IT manager. If
you do not know who that is, please send an email to auscert@auscert.org.au
and we will forward your request to the appropriate person.
NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members. As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. The decision to follow or act on information or advice
contained in this security bulletin is the responsibility of each user or
organisation, and should be considered in accordance with your organisation's
site policies and procedures. AusCERT takes no responsibility for consequences
which may arise from following or acting on information or advice contained in
this security bulletin.
NOTE: This is only the original release of the security bulletin. It may
not be updated when updates to the original are made. If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the author's website to ensure that the information is still current.
Contact information for the authors of the original document is included
in the Security Bulletin above. If you have any questions or need further
information, please contact them directly.
Previous advisories and external security bulletins can be retrieved from:
http://www.auscert.org.au/render.html?cid=1980
===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072
Internet Email: auscert@auscert.org.au
Facsimile: (07) 3365 7031
Telephone: (07) 3365 4417 (International: +61 7 3365 4417)
AusCERT personnel answer during Queensland business hours
which are GMT+10:00 (AEST).
On call after hours for member emergencies only.
===========================================================================
-----BEGIN PGP SIGNATURE-----
Comment: http://www.auscert.org.au/render.html?it=1967
iD8DBQFMv6h+/iFOrG6YcBERAqbaAJ45uWz55axeNOb9WjKwaeU8+bUWRACgxdAS
qW2W/aoGdK8Aj/X3weOLj9E=
=WmaN
-----END PGP SIGNATURE-----