[RHSA-2011:1526-03] Low: glibc security, bug fix, and enhancement update

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Red Hat Security Advisory

 

Synopsis: Low: glibc security, bug fix, and enhancement update

Advisory ID: RHSA-2011:1526-03

Product: Red Hat Enterprise Linux

Advisory URL: https://rhn.redhat.com/errata/RHSA-2011-1526.html

Issue date: 2011-12-06

CVE Names: CVE-2009-5064 CVE-2011-1089

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

 

1. Summary:

 

Updated glibc packages that fix two security issues, several bugs, and add

various enhancements are now available for Red Hat Enterprise Linux 6.

 

The Red Hat Security Response Team has rated this update as having low

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 Desktop (v. 6) - i386, x86_64

Red Hat Enterprise Linux Desktop Optional (v. 6) - i386, x86_64

Red Hat Enterprise Linux HPC Node (v. 6) - x86_64

Red Hat Enterprise Linux HPC Node Optional (v. 6) - x86_64

Red Hat Enterprise Linux Server (v. 6) - i386, ppc64, s390x, x86_64

Red Hat Enterprise Linux Server Optional (v. 6) - i386, ppc64, s390x, x86_64

Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64

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

 

A flaw was found in the way the ldd utility identified dynamically linked

libraries. If an attacker could trick a user into running ldd on a

malicious binary, it could result in arbitrary code execution with the

privileges of the user running ldd. (CVE-2009-5064)

 

It was found that the glibc addmntent() function, used by various mount

helper utilities, did not handle certain errors correctly when up[censored] the

mtab (mounted file systems table) file. If such utilities had the setuid

bit set, a local attacker could use this flaw to corrupt the mtab file.

(CVE-2011-1089)

 

Red Hat would like to thank Dan Rosenberg for reporting the CVE-2011-1089

issue.

 

This update also fixes several bugs and adds various enhancements.

Documentation for these bug fixes and enhancements will be available

shortly from the Technical Notes document, linked to in the References

section.

 

Users are advised to upgrade to these updated glibc packages, which contain

backported patches to resolve these issues and add these enhancements.

 

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/kb/docs/DOC-11259

 

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

 

676467 - glibc-debuginfo.i686 and glibc-debuginfo.x86_64 conflict

688980 - CVE-2011-1089 glibc: Suid mount helpers fail to anticipate RLIMIT_FSIZE

692393 - CVE-2009-5064 glibc: ldd unexpected code execution issue

694386 - POWER4 strncmp crashes reading past zero byte

700507 - nscd start produce USER_AVC

706903 - getpwuid unreliable when using NIS, missing flag: -DUSE_BINDINGDIR=1

711987 - [RHEL-6] statvfs tries to stat unrelated mountpoints

712248 - getconf returns incorrect FILESIZEBITS for Lustre filesystem

713134 - CVE-2009-5064 glibc: ldd unexpected code execution issue [rhel-6.2]

714823 - getaddrinfo returns PTR name in ai_canonname when using DNS

729036 - Debuginfo package issues in glibc

730379 - libresolv is not compiled with the stack protector enabled

731042 - pthread_create dumps core when it fails to set real time policy

736346 - make initgroups (setgroups) thread aware

737778 - setlocale() fails if LC_CTYPE is set to Turkish locale

738665 - strange pthread/fork deadlock

738763 - need to add IP_MULTICAST_ALL option to glibc headers

739184 - Statically-linked binaries that call gethostbyname crash when executed.

 

6. Package List:

 

Red Hat Enterprise Linux Desktop (v. 6):

 

Source:

ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Client/en/os/SRPMS/glibc-2.12-1.47.el6.src.rpm

 

i386:

glibc-2.12-1.47.el6.i686.rpm

glibc-common-2.12-1.47.el6.i686.rpm

glibc-debuginfo-2.12-1.47.el6.i686.rpm

glibc-debuginfo-common-2.12-1.47.el6.i686.rpm

glibc-devel-2.12-1.47.el6.i686.rpm

glibc-headers-2.12-1.47.el6.i686.rpm

glibc-utils-2.12-1.47.el6.i686.rpm

nscd-2.12-1.47.el6.i686.rpm

 

x86_64:

glibc-2.12-1.47.el6.i686.rpm

glibc-2.12-1.47.el6.x86_64.rpm

glibc-common-2.12-1.47.el6.x86_64.rpm

glibc-debuginfo-2.12-1.47.el6.i686.rpm

glibc-debuginfo-2.12-1.47.el6.x86_64.rpm

glibc-debuginfo-common-2.12-1.47.el6.i686.rpm

glibc-debuginfo-common-2.12-1.47.el6.x86_64.rpm

glibc-devel-2.12-1.47.el6.i686.rpm

glibc-devel-2.12-1.47.el6.x86_64.rpm

glibc-headers-2.12-1.47.el6.x86_64.rpm

glibc-utils-2.12-1.47.el6.x86_64.rpm

nscd-2.12-1.47.el6.x86_64.rpm

 

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

 

Source:

ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Client/en/os/SRPMS/glibc-2.12-1.47.el6.src.rpm

 

i386:

glibc-debuginfo-2.12-1.47.el6.i686.rpm

glibc-debuginfo-common-2.12-1.47.el6.i686.rpm

glibc-static-2.12-1.47.el6.i686.rpm

 

x86_64:

glibc-debuginfo-2.12-1.47.el6.i686.rpm

glibc-debuginfo-2.12-1.47.el6.x86_64.rpm

glibc-debuginfo-common-2.12-1.47.el6.i686.rpm

glibc-debuginfo-common-2.12-1.47.el6.x86_64.rpm

glibc-static-2.12-1.47.el6.i686.rpm

glibc-static-2.12-1.47.el6.x86_64.rpm

 

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

 

Source:

ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6ComputeNode/en/os/SRPMS/glibc-2.12-1.47.el6.src.rpm

 

x86_64:

glibc-2.12-1.47.el6.i686.rpm

glibc-2.12-1.47.el6.x86_64.rpm

glibc-common-2.12-1.47.el6.x86_64.rpm

glibc-debuginfo-2.12-1.47.el6.i686.rpm

glibc-debuginfo-2.12-1.47.el6.x86_64.rpm

glibc-debuginfo-common-2.12-1.47.el6.i686.rpm

glibc-debuginfo-common-2.12-1.47.el6.x86_64.rpm

glibc-devel-2.12-1.47.el6.i686.rpm

glibc-devel-2.12-1.47.el6.x86_64.rpm

glibc-headers-2.12-1.47.el6.x86_64.rpm

glibc-utils-2.12-1.47.el6.x86_64.rpm

nscd-2.12-1.47.el6.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/glibc-2.12-1.47.el6.src.rpm

 

x86_64:

glibc-debuginfo-2.12-1.47.el6.i686.rpm

glibc-debuginfo-2.12-1.47.el6.x86_64.rpm

glibc-debuginfo-common-2.12-1.47.el6.i686.rpm

glibc-debuginfo-common-2.12-1.47.el6.x86_64.rpm

glibc-static-2.12-1.47.el6.i686.rpm

glibc-static-2.12-1.47.el6.x86_64.rpm

 

Red Hat Enterprise Linux Server (v. 6):

 

Source:

ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/os/SRPMS/glibc-2.12-1.47.el6.src.rpm

 

i386:

glibc-2.12-1.47.el6.i686.rpm

glibc-common-2.12-1.47.el6.i686.rpm

glibc-debuginfo-2.12-1.47.el6.i686.rpm

glibc-debuginfo-common-2.12-1.47.el6.i686.rpm

glibc-devel-2.12-1.47.el6.i686.rpm

glibc-headers-2.12-1.47.el6.i686.rpm

glibc-utils-2.12-1.47.el6.i686.rpm

nscd-2.12-1.47.el6.i686.rpm

 

ppc64:

glibc-2.12-1.47.el6.ppc.rpm

glibc-2.12-1.47.el6.ppc64.rpm

glibc-common-2.12-1.47.el6.ppc64.rpm

glibc-debuginfo-2.12-1.47.el6.ppc.rpm

glibc-debuginfo-2.12-1.47.el6.ppc64.rpm

glibc-debuginfo-common-2.12-1.47.el6.ppc.rpm

glibc-debuginfo-common-2.12-1.47.el6.ppc64.rpm

glibc-devel-2.12-1.47.el6.ppc.rpm

glibc-devel-2.12-1.47.el6.ppc64.rpm

glibc-headers-2.12-1.47.el6.ppc64.rpm

glibc-utils-2.12-1.47.el6.ppc64.rpm

nscd-2.12-1.47.el6.ppc64.rpm

 

s390x:

glibc-2.12-1.47.el6.s390.rpm

glibc-2.12-1.47.el6.s390x.rpm

glibc-common-2.12-1.47.el6.s390x.rpm

glibc-debuginfo-2.12-1.47.el6.s390.rpm

glibc-debuginfo-2.12-1.47.el6.s390x.rpm

glibc-debuginfo-common-2.12-1.47.el6.s390.rpm

glibc-debuginfo-common-2.12-1.47.el6.s390x.rpm

glibc-devel-2.12-1.47.el6.s390.rpm

glibc-devel-2.12-1.47.el6.s390x.rpm

glibc-headers-2.12-1.47.el6.s390x.rpm

glibc-utils-2.12-1.47.el6.s390x.rpm

nscd-2.12-1.47.el6.s390x.rpm

 

x86_64:

glibc-2.12-1.47.el6.i686.rpm

glibc-2.12-1.47.el6.x86_64.rpm

glibc-common-2.12-1.47.el6.x86_64.rpm

glibc-debuginfo-2.12-1.47.el6.i686.rpm

glibc-debuginfo-2.12-1.47.el6.x86_64.rpm

glibc-debuginfo-common-2.12-1.47.el6.i686.rpm

glibc-debuginfo-common-2.12-1.47.el6.x86_64.rpm

glibc-devel-2.12-1.47.el6.i686.rpm

glibc-devel-2.12-1.47.el6.x86_64.rpm

glibc-headers-2.12-1.47.el6.x86_64.rpm

glibc-utils-2.12-1.47.el6.x86_64.rpm

nscd-2.12-1.47.el6.x86_64.rpm

 

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

 

Source:

ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/os/SRPMS/glibc-2.12-1.47.el6.src.rpm

 

i386:

glibc-debuginfo-2.12-1.47.el6.i686.rpm

glibc-debuginfo-common-2.12-1.47.el6.i686.rpm

glibc-static-2.12-1.47.el6.i686.rpm

 

ppc64:

glibc-debuginfo-2.12-1.47.el6.ppc.rpm

glibc-debuginfo-2.12-1.47.el6.ppc64.rpm

glibc-debuginfo-common-2.12-1.47.el6.ppc.rpm

glibc-debuginfo-common-2.12-1.47.el6.ppc64.rpm

glibc-static-2.12-1.47.el6.ppc.rpm

glibc-static-2.12-1.47.el6.ppc64.rpm

 

s390x:

glibc-debuginfo-2.12-1.47.el6.s390.rpm

glibc-debuginfo-2.12-1.47.el6.s390x.rpm

glibc-debuginfo-common-2.12-1.47.el6.s390.rpm

glibc-debuginfo-common-2.12-1.47.el6.s390x.rpm

glibc-static-2.12-1.47.el6.s390.rpm

glibc-static-2.12-1.47.el6.s390x.rpm

 

x86_64:

glibc-debuginfo-2.12-1.47.el6.i686.rpm

glibc-debuginfo-2.12-1.47.el6.x86_64.rpm

glibc-debuginfo-common-2.12-1.47.el6.i686.rpm

glibc-debuginfo-common-2.12-1.47.el6.x86_64.rpm

glibc-static-2.12-1.47.el6.i686.rpm

glibc-static-2.12-1.47.el6.x86_64.rpm

 

Red Hat Enterprise Linux Workstation (v. 6):

 

Source:

ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Workstation/en/os/SRPMS/glibc-2.12-1.47.el6.src.rpm

 

i386:

glibc-2.12-1.47.el6.i686.rpm

glibc-common-2.12-1.47.el6.i686.rpm

glibc-debuginfo-2.12-1.47.el6.i686.rpm

glibc-debuginfo-common-2.12-1.47.el6.i686.rpm

glibc-devel-2.12-1.47.el6.i686.rpm

glibc-headers-2.12-1.47.el6.i686.rpm

glibc-utils-2.12-1.47.el6.i686.rpm

nscd-2.12-1.47.el6.i686.rpm

 

x86_64:

glibc-2.12-1.47.el6.i686.rpm

glibc-2.12-1.47.el6.x86_64.rpm

glibc-common-2.12-1.47.el6.x86_64.rpm

glibc-debuginfo-2.12-1.47.el6.i686.rpm

glibc-debuginfo-2.12-1.47.el6.x86_64.rpm

glibc-debuginfo-common-2.12-1.47.el6.i686.rpm

glibc-debuginfo-common-2.12-1.47.el6.x86_64.rpm

glibc-devel-2.12-1.47.el6.i686.rpm

glibc-devel-2.12-1.47.el6.x86_64.rpm

glibc-headers-2.12-1.47.el6.x86_64.rpm

glibc-utils-2.12-1.47.el6.x86_64.rpm

nscd-2.12-1.47.el6.x86_64.rpm

 

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

 

Source:

ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Workstation/en/os/SRPMS/glibc-2.12-1.47.el6.src.rpm

 

i386:

glibc-debuginfo-2.12-1.47.el6.i686.rpm

glibc-debuginfo-common-2.12-1.47.el6.i686.rpm

glibc-static-2.12-1.47.el6.i686.rpm

 

x86_64:

glibc-debuginfo-2.12-1.47.el6.i686.rpm

glibc-debuginfo-2.12-1.47.el6.x86_64.rpm

glibc-debuginfo-common-2.12-1.47.el6.i686.rpm

glibc-debuginfo-common-2.12-1.47.el6.x86_64.rpm

glibc-static-2.12-1.47.el6.i686.rpm

glibc-static-2.12-1.47.el6.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-2009-5064.html

https://www.redhat.com/security/data/cve/CVE-2011-1089.html

https://access.redhat.com/security/updates/classification/#low

https://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/6/html/6.2_Technical_Notes/glibc.html#RHSA-2011-1526

 

8. Contact:

 

The Red Hat security contact is . More contact

details at https://access.redhat.com/security/team/contact/

 

Copyright 2011 Red Hat, Inc.

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