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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 - ---------------------------------------------------------------------
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: 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/
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