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===================================================================== Red Hat Security Advisory
Synopsis: Moderate: libuser security update Advisory ID: RHSA-2011:0170-01 Product: Red Hat Enterprise Linux Advisory URL: https://rhn.redhat.com/errata/RHSA-2011-0170.html Issue date: 2011-01-20 CVE Names: CVE-2011-0002 =====================================================================
1. Summary:
Updated libuser packages that fix one security issue are now available for Red Hat Enterprise Linux 4, 5, and 6.
The Red Hat Security Response Team has rated this update as having moderate 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:
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 AS version 4 - i386, ia64, ppc, s390, s390x, x86_64 Red Hat Enterprise Linux Desktop (v. 5 client) - i386, x86_64 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 Desktop version 4 - i386, x86_64 Red Hat Enterprise Linux ES version 4 - i386, ia64, 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 WS version 4 - i386, ia64, 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 libuser library implements a standardized interface for manipulating and administering user and group accounts. Sample applications that are modeled after applications from the shadow password suite (shadow-utils) are included in these packages.
It was discovered that libuser did not set the password entry correctly when creating LDAP (Lightweight Directory Access Protocol) users. If an administrator did not assign a password to an LDAP based user account, either at account creation with luseradd, or with lpasswd after account creation, an attacker could use this flaw to log into that account with a default password string that should have been rejected. (CVE-2011-0002)
Note: LDAP administrators that have used libuser tools to add users should check existing user accounts for plain text passwords, and reset them as necessary.
Users of libuser 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/):
643227 - CVE-2011-0002 libuser creates LDAP users with a default password
6. Package List:
Red Hat Enterprise Linux AS version 4:
Source: libuser-0.52.5-1.1.el4_8.1.src.rpm
i386: libuser-0.52.5-1.1.el4_8.1.i386.rpm libuser-debuginfo-0.52.5-1.1.el4_8.1.i386.rpm libuser-devel-0.52.5-1.1.el4_8.1.i386.rpm
ia64: libuser-0.52.5-1.1.el4_8.1.i386.rpm libuser-0.52.5-1.1.el4_8.1.ia64.rpm libuser-debuginfo-0.52.5-1.1.el4_8.1.i386.rpm libuser-debuginfo-0.52.5-1.1.el4_8.1.ia64.rpm libuser-devel-0.52.5-1.1.el4_8.1.ia64.rpm
ppc: libuser-0.52.5-1.1.el4_8.1.ppc.rpm libuser-0.52.5-1.1.el4_8.1.ppc64.rpm libuser-debuginfo-0.52.5-1.1.el4_8.1.ppc.rpm libuser-debuginfo-0.52.5-1.1.el4_8.1.ppc64.rpm libuser-devel-0.52.5-1.1.el4_8.1.ppc.rpm
s390: libuser-0.52.5-1.1.el4_8.1.s390.rpm libuser-debuginfo-0.52.5-1.1.el4_8.1.s390.rpm libuser-devel-0.52.5-1.1.el4_8.1.s390.rpm
s390x: libuser-0.52.5-1.1.el4_8.1.s390.rpm libuser-0.52.5-1.1.el4_8.1.s390x.rpm libuser-debuginfo-0.52.5-1.1.el4_8.1.s390.rpm libuser-debuginfo-0.52.5-1.1.el4_8.1.s390x.rpm libuser-devel-0.52.5-1.1.el4_8.1.s390x.rpm
x86_64: libuser-0.52.5-1.1.el4_8.1.i386.rpm libuser-0.52.5-1.1.el4_8.1.x86_64.rpm libuser-debuginfo-0.52.5-1.1.el4_8.1.i386.rpm libuser-debuginfo-0.52.5-1.1.el4_8.1.x86_64.rpm libuser-devel-0.52.5-1.1.el4_8.1.x86_64.rpm
Red Hat Enterprise Linux Desktop version 4:
Source: libuser-0.52.5-1.1.el4_8.1.src.rpm
i386: libuser-0.52.5-1.1.el4_8.1.i386.rpm libuser-debuginfo-0.52.5-1.1.el4_8.1.i386.rpm libuser-devel-0.52.5-1.1.el4_8.1.i386.rpm
x86_64: libuser-0.52.5-1.1.el4_8.1.i386.rpm libuser-0.52.5-1.1.el4_8.1.x86_64.rpm libuser-debuginfo-0.52.5-1.1.el4_8.1.i386.rpm libuser-debuginfo-0.52.5-1.1.el4_8.1.x86_64.rpm libuser-devel-0.52.5-1.1.el4_8.1.x86_64.rpm
Red Hat Enterprise Linux ES version 4:
Source: libuser-0.52.5-1.1.el4_8.1.src.rpm
i386: libuser-0.52.5-1.1.el4_8.1.i386.rpm libuser-debuginfo-0.52.5-1.1.el4_8.1.i386.rpm libuser-devel-0.52.5-1.1.el4_8.1.i386.rpm
ia64: libuser-0.52.5-1.1.el4_8.1.i386.rpm libuser-0.52.5-1.1.el4_8.1.ia64.rpm libuser-debuginfo-0.52.5-1.1.el4_8.1.i386.rpm libuser-debuginfo-0.52.5-1.1.el4_8.1.ia64.rpm libuser-devel-0.52.5-1.1.el4_8.1.ia64.rpm
x86_64: libuser-0.52.5-1.1.el4_8.1.i386.rpm libuser-0.52.5-1.1.el4_8.1.x86_64.rpm libuser-debuginfo-0.52.5-1.1.el4_8.1.i386.rpm libuser-debuginfo-0.52.5-1.1.el4_8.1.x86_64.rpm libuser-devel-0.52.5-1.1.el4_8.1.x86_64.rpm
Red Hat Enterprise Linux WS version 4:
Source: libuser-0.52.5-1.1.el4_8.1.src.rpm
i386: libuser-0.52.5-1.1.el4_8.1.i386.rpm libuser-debuginfo-0.52.5-1.1.el4_8.1.i386.rpm libuser-devel-0.52.5-1.1.el4_8.1.i386.rpm
ia64: libuser-0.52.5-1.1.el4_8.1.i386.rpm libuser-0.52.5-1.1.el4_8.1.ia64.rpm libuser-debuginfo-0.52.5-1.1.el4_8.1.i386.rpm libuser-debuginfo-0.52.5-1.1.el4_8.1.ia64.rpm libuser-devel-0.52.5-1.1.el4_8.1.ia64.rpm
x86_64: libuser-0.52.5-1.1.el4_8.1.i386.rpm libuser-0.52.5-1.1.el4_8.1.x86_64.rpm libuser-debuginfo-0.52.5-1.1.el4_8.1.i386.rpm libuser-debuginfo-0.52.5-1.1.el4_8.1.x86_64.rpm libuser-devel-0.52.5-1.1.el4_8.1.x86_64.rpm
Red Hat Enterprise Linux Desktop (v. 5 client):
Source: libuser-0.54.7-2.1.el5_5.2.src.rpm
i386: libuser-0.54.7-2.1.el5_5.2.i386.rpm libuser-debuginfo-0.54.7-2.1.el5_5.2.i386.rpm
x86_64: libuser-0.54.7-2.1.el5_5.2.i386.rpm libuser-0.54.7-2.1.el5_5.2.x86_64.rpm libuser-debuginfo-0.54.7-2.1.el5_5.2.i386.rpm libuser-debuginfo-0.54.7-2.1.el5_5.2.x86_64.rpm
RHEL Desktop Workstation (v. 5 client):
Source: libuser-0.54.7-2.1.el5_5.2.src.rpm
i386: libuser-debuginfo-0.54.7-2.1.el5_5.2.i386.rpm libuser-devel-0.54.7-2.1.el5_5.2.i386.rpm
x86_64: libuser-debuginfo-0.54.7-2.1.el5_5.2.i386.rpm libuser-debuginfo-0.54.7-2.1.el5_5.2.x86_64.rpm libuser-devel-0.54.7-2.1.el5_5.2.i386.rpm libuser-devel-0.54.7-2.1.el5_5.2.x86_64.rpm
Red Hat Enterprise Linux (v. 5 server):
Source: libuser-0.54.7-2.1.el5_5.2.src.rpm
i386: libuser-0.54.7-2.1.el5_5.2.i386.rpm libuser-debuginfo-0.54.7-2.1.el5_5.2.i386.rpm libuser-devel-0.54.7-2.1.el5_5.2.i386.rpm
ia64: libuser-0.54.7-2.1.el5_5.2.ia64.rpm libuser-debuginfo-0.54.7-2.1.el5_5.2.ia64.rpm libuser-devel-0.54.7-2.1.el5_5.2.ia64.rpm
ppc: libuser-0.54.7-2.1.el5_5.2.ppc.rpm libuser-0.54.7-2.1.el5_5.2.ppc64.rpm libuser-debuginfo-0.54.7-2.1.el5_5.2.ppc.rpm libuser-debuginfo-0.54.7-2.1.el5_5.2.ppc64.rpm libuser-devel-0.54.7-2.1.el5_5.2.ppc.rpm libuser-devel-0.54.7-2.1.el5_5.2.ppc64.rpm
s390x: libuser-0.54.7-2.1.el5_5.2.s390.rpm libuser-0.54.7-2.1.el5_5.2.s390x.rpm libuser-debuginfo-0.54.7-2.1.el5_5.2.s390.rpm libuser-debuginfo-0.54.7-2.1.el5_5.2.s390x.rpm libuser-devel-0.54.7-2.1.el5_5.2.s390.rpm libuser-devel-0.54.7-2.1.el5_5.2.s390x.rpm
x86_64: libuser-0.54.7-2.1.el5_5.2.i386.rpm libuser-0.54.7-2.1.el5_5.2.x86_64.rpm libuser-debuginfo-0.54.7-2.1.el5_5.2.i386.rpm libuser-debuginfo-0.54.7-2.1.el5_5.2.x86_64.rpm libuser-devel-0.54.7-2.1.el5_5.2.i386.rpm libuser-devel-0.54.7-2.1.el5_5.2.x86_64.rpm
Red Hat Enterprise Linux Desktop (v. 6):
Source: libuser-0.56.13-4.el6_0.1.src.rpm
i386: libuser-0.56.13-4.el6_0.1.i686.rpm libuser-debuginfo-0.56.13-4.el6_0.1.i686.rpm libuser-python-0.56.13-4.el6_0.1.i686.rpm
x86_64: libuser-0.56.13-4.el6_0.1.i686.rpm libuser-0.56.13-4.el6_0.1.x86_64.rpm libuser-debuginfo-0.56.13-4.el6_0.1.i686.rpm libuser-debuginfo-0.56.13-4.el6_0.1.x86_64.rpm libuser-python-0.56.13-4.el6_0.1.x86_64.rpm
Red Hat Enterprise Linux Desktop Optional (v. 6):
Source: libuser-0.56.13-4.el6_0.1.src.rpm
i386: libuser-debuginfo-0.56.13-4.el6_0.1.i686.rpm libuser-devel-0.56.13-4.el6_0.1.i686.rpm
x86_64: libuser-debuginfo-0.56.13-4.el6_0.1.i686.rpm libuser-debuginfo-0.56.13-4.el6_0.1.x86_64.rpm libuser-devel-0.56.13-4.el6_0.1.i686.rpm libuser-devel-0.56.13-4.el6_0.1.x86_64.rpm
Red Hat Enterprise Linux HPC Node (v. 6):
Source: libuser-0.56.13-4.el6_0.1.src.rpm
x86_64: libuser-0.56.13-4.el6_0.1.x86_64.rpm libuser-debuginfo-0.56.13-4.el6_0.1.x86_64.rpm
Red Hat Enterprise Linux HPC Node Optional (v. 6):
Source: libuser-0.56.13-4.el6_0.1.src.rpm
x86_64: libuser-0.56.13-4.el6_0.1.i686.rpm libuser-debuginfo-0.56.13-4.el6_0.1.i686.rpm libuser-debuginfo-0.56.13-4.el6_0.1.x86_64.rpm libuser-devel-0.56.13-4.el6_0.1.i686.rpm libuser-devel-0.56.13-4.el6_0.1.x86_64.rpm libuser-python-0.56.13-4.el6_0.1.x86_64.rpm
Red Hat Enterprise Linux Server (v. 6):
Source: libuser-0.56.13-4.el6_0.1.src.rpm
i386: libuser-0.56.13-4.el6_0.1.i686.rpm libuser-debuginfo-0.56.13-4.el6_0.1.i686.rpm libuser-python-0.56.13-4.el6_0.1.i686.rpm
ppc64: libuser-0.56.13-4.el6_0.1.ppc.rpm libuser-0.56.13-4.el6_0.1.ppc64.rpm libuser-debuginfo-0.56.13-4.el6_0.1.ppc.rpm libuser-debuginfo-0.56.13-4.el6_0.1.ppc64.rpm libuser-python-0.56.13-4.el6_0.1.ppc64.rpm
s390x: libuser-0.56.13-4.el6_0.1.s390.rpm libuser-0.56.13-4.el6_0.1.s390x.rpm libuser-debuginfo-0.56.13-4.el6_0.1.s390.rpm libuser-debuginfo-0.56.13-4.el6_0.1.s390x.rpm libuser-python-0.56.13-4.el6_0.1.s390x.rpm
x86_64: libuser-0.56.13-4.el6_0.1.i686.rpm libuser-0.56.13-4.el6_0.1.x86_64.rpm libuser-debuginfo-0.56.13-4.el6_0.1.i686.rpm libuser-debuginfo-0.56.13-4.el6_0.1.x86_64.rpm libuser-python-0.56.13-4.el6_0.1.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 6):
Source: libuser-0.56.13-4.el6_0.1.src.rpm
i386: libuser-debuginfo-0.56.13-4.el6_0.1.i686.rpm libuser-devel-0.56.13-4.el6_0.1.i686.rpm
ppc64: libuser-debuginfo-0.56.13-4.el6_0.1.ppc.rpm libuser-debuginfo-0.56.13-4.el6_0.1.ppc64.rpm libuser-devel-0.56.13-4.el6_0.1.ppc.rpm libuser-devel-0.56.13-4.el6_0.1.ppc64.rpm
s390x: libuser-debuginfo-0.56.13-4.el6_0.1.s390.rpm libuser-debuginfo-0.56.13-4.el6_0.1.s390x.rpm libuser-devel-0.56.13-4.el6_0.1.s390.rpm libuser-devel-0.56.13-4.el6_0.1.s390x.rpm
x86_64: libuser-debuginfo-0.56.13-4.el6_0.1.i686.rpm libuser-debuginfo-0.56.13-4.el6_0.1.x86_64.rpm libuser-devel-0.56.13-4.el6_0.1.i686.rpm libuser-devel-0.56.13-4.el6_0.1.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 6):
Source: libuser-0.56.13-4.el6_0.1.src.rpm
i386: libuser-0.56.13-4.el6_0.1.i686.rpm libuser-debuginfo-0.56.13-4.el6_0.1.i686.rpm libuser-python-0.56.13-4.el6_0.1.i686.rpm
x86_64: libuser-0.56.13-4.el6_0.1.i686.rpm libuser-0.56.13-4.el6_0.1.x86_64.rpm libuser-debuginfo-0.56.13-4.el6_0.1.i686.rpm libuser-debuginfo-0.56.13-4.el6_0.1.x86_64.rpm libuser-python-0.56.13-4.el6_0.1.x86_64.rpm
Red Hat Enterprise Linux Workstation Optional (v. 6):
Source: libuser-0.56.13-4.el6_0.1.src.rpm
i386: libuser-debuginfo-0.56.13-4.el6_0.1.i686.rpm libuser-devel-0.56.13-4.el6_0.1.i686.rpm
x86_64: libuser-debuginfo-0.56.13-4.el6_0.1.i686.rpm libuser-debuginfo-0.56.13-4.el6_0.1.x86_64.rpm libuser-devel-0.56.13-4.el6_0.1.i686.rpm libuser-devel-0.56.13-4.el6_0.1.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://access.redhat.com/security/team/key/#package
7. References:
https://www.redhat.com/security/data/cve/CVE-2011-0002.html https://access.redhat.com/security/updates/classification/#moderate
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact details at https://www.redhat.com/security/team/contact/
Copyright 2011 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.4 (GNU/Linux)
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