A new update is available for Red Hat Enterprise Linux. Here the announcement:
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Red Hat Security Advisory
Synopsis: Moderate: nss_ldap security update
Advisory ID: RHSA-2006:0719-01
Advisory URL: https://rhn.redhat.com/errata/RHSA-2006-0719.html
Issue date: 2006-11-15
Updated on: 2006-11-15
Product: Red Hat Enterprise Linux
CVE Names: CVE-2006-5170
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1. Summary:
Updated nss_ldap packages that fix a security flaw are now available for
Red Hat Enterprise Linux 4.
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
3. Problem description:
nss_ldap is a set of C library extensions that allow X.500 and LDAP
directory servers to be used as primary sources for aliases, ethers,
groups, hosts, networks, protocols, users, RPCs, services, and shadow
passwords.
A flaw was found in the way nss_ldap handled a PasswordPolicyResponse
control sent by an LDAP server. If an LDAP server responded to an
authentication request with a PasswordPolicyResponse control, it was
possible for an application using nss_ldap to improperly authenticate
certain users. (CVE-2006-5170)
This flaw was only exploitable within applications which did not properly
process nss_ldap error messages. Only xscreensaver is currently known to
exhibit this behavior.
All users of nss_ldap should upgrade to these updated packages, which
contain a backported patch that resolves 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 Red Hat Network. To use Red Hat Network,
launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
5. Bug IDs fixed (http://bugzilla.redhat.com/):
207286 - CVE-2006-5170 When using LDAP for authentication, xscreensaver allows access if account locked out.
6. RPMs required:
Red Hat Enterprise Linux AS version 4:
SRPMS:
ftp://updates.redhat.com/enterprise/4AS/en/os/SRPMS/nss_ldap-226-17.src.rpm
8fdad6a352014e9c95f6640896bf91dd nss_ldap-226-17.src.rpm
i386:
f2728f30aeb7e78623aae9265fae7369 nss_ldap-226-17.i386.rpm
93c6349f5bd8880e6be2af40e4edcda6 nss_ldap-debuginfo-226-17.i386.rpm
ia64:
f2728f30aeb7e78623aae9265fae7369 nss_ldap-226-17.i386.rpm
a8cc0cd2d3bd8f2fa916b8f50506dbfa nss_ldap-226-17.ia64.rpm
93c6349f5bd8880e6be2af40e4edcda6 nss_ldap-debuginfo-226-17.i386.rpm
244bcce1538dc5537b860324b219ef3e nss_ldap-debuginfo-226-17.ia64.rpm
ppc:
8fe0c5612ddac345de98d98daf3b1f47 nss_ldap-226-17.ppc.rpm
fef89f4ddf2879df5d8b3cad563610dc nss_ldap-226-17.ppc64.rpm
31738b28daabe162736517dcee208011 nss_ldap-debuginfo-226-17.ppc.rpm
88cc4161fb0d1be7e5008a57dc9d614f nss_ldap-debuginfo-226-17.ppc64.rpm
s390:
07f25516c0a7c24c8119f440f4c1fdf0 nss_ldap-226-17.s390.rpm
aebc40eeef7e7277342dc5c7ae6e8a39 nss_ldap-debuginfo-226-17.s390.rpm
s390x:
07f25516c0a7c24c8119f440f4c1fdf0 nss_ldap-226-17.s390.rpm
e193a588cce944b5fa2a3feb01737b61 nss_ldap-226-17.s390x.rpm
aebc40eeef7e7277342dc5c7ae6e8a39 nss_ldap-debuginfo-226-17.s390.rpm
03545e67b2137ebd7a27162b009a8f26 nss_ldap-debuginfo-226-17.s390x.rpm
x86_64:
f2728f30aeb7e78623aae9265fae7369 nss_ldap-226-17.i386.rpm
804dba9f8720306da14615b1f353e31d nss_ldap-226-17.x86_64.rpm
93c6349f5bd8880e6be2af40e4edcda6 nss_ldap-debuginfo-226-17.i386.rpm
e4fd474865ccdfd5907047d6bd0ccdac nss_ldap-debuginfo-226-17.x86_64.rpm
Red Hat Enterprise Linux Desktop version 4:
SRPMS:
ftp://updates.redhat.com/enterprise/4Desktop/en/os/SRPMS/nss_ldap-226-17.src.rpm
8fdad6a352014e9c95f6640896bf91dd nss_ldap-226-17.src.rpm
i386:
f2728f30aeb7e78623aae9265fae7369 nss_ldap-226-17.i386.rpm
93c6349f5bd8880e6be2af40e4edcda6 nss_ldap-debuginfo-226-17.i386.rpm
x86_64:
f2728f30aeb7e78623aae9265fae7369 nss_ldap-226-17.i386.rpm
804dba9f8720306da14615b1f353e31d nss_ldap-226-17.x86_64.rpm
93c6349f5bd8880e6be2af40e4edcda6 nss_ldap-debuginfo-226-17.i386.rpm
e4fd474865ccdfd5907047d6bd0ccdac nss_ldap-debuginfo-226-17.x86_64.rpm
Red Hat Enterprise Linux ES version 4:
SRPMS:
ftp://updates.redhat.com/enterprise/4ES/en/os/SRPMS/nss_ldap-226-17.src.rpm
8fdad6a352014e9c95f6640896bf91dd nss_ldap-226-17.src.rpm
i386:
f2728f30aeb7e78623aae9265fae7369 nss_ldap-226-17.i386.rpm
93c6349f5bd8880e6be2af40e4edcda6 nss_ldap-debuginfo-226-17.i386.rpm
ia64:
f2728f30aeb7e78623aae9265fae7369 nss_ldap-226-17.i386.rpm
a8cc0cd2d3bd8f2fa916b8f50506dbfa nss_ldap-226-17.ia64.rpm
93c6349f5bd8880e6be2af40e4edcda6 nss_ldap-debuginfo-226-17.i386.rpm
244bcce1538dc5537b860324b219ef3e nss_ldap-debuginfo-226-17.ia64.rpm
x86_64:
f2728f30aeb7e78623aae9265fae7369 nss_ldap-226-17.i386.rpm
804dba9f8720306da14615b1f353e31d nss_ldap-226-17.x86_64.rpm
93c6349f5bd8880e6be2af40e4edcda6 nss_ldap-debuginfo-226-17.i386.rpm
e4fd474865ccdfd5907047d6bd0ccdac nss_ldap-debuginfo-226-17.x86_64.rpm
Red Hat Enterprise Linux WS version 4:
SRPMS:
ftp://updates.redhat.com/enterprise/4WS/en/os/SRPMS/nss_ldap-226-17.src.rpm
8fdad6a352014e9c95f6640896bf91dd nss_ldap-226-17.src.rpm
i386:
f2728f30aeb7e78623aae9265fae7369 nss_ldap-226-17.i386.rpm
93c6349f5bd8880e6be2af40e4edcda6 nss_ldap-debuginfo-226-17.i386.rpm
ia64:
f2728f30aeb7e78623aae9265fae7369 nss_ldap-226-17.i386.rpm
a8cc0cd2d3bd8f2fa916b8f50506dbfa nss_ldap-226-17.ia64.rpm
93c6349f5bd8880e6be2af40e4edcda6 nss_ldap-debuginfo-226-17.i386.rpm
244bcce1538dc5537b860324b219ef3e nss_ldap-debuginfo-226-17.ia64.rpm
x86_64:
f2728f30aeb7e78623aae9265fae7369 nss_ldap-226-17.i386.rpm
804dba9f8720306da14615b1f353e31d nss_ldap-226-17.x86_64.rpm
93c6349f5bd8880e6be2af40e4edcda6 nss_ldap-debuginfo-226-17.i386.rpm
e4fd474865ccdfd5907047d6bd0ccdac nss_ldap-debuginfo-226-17.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-2006-5170
http://www.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 2006 Red Hat, Inc.
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