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                   Red Hat, Inc. Security Advisory

Synopsis:          Updated nss_ldap packages are now available.
Advisory ID:       RHSA-2000:024-02
Issue date:        2000-10-27
Updated on:        2000-10-27
Product:           Red Hat Linux
Keywords:          N/A
Cross references:  N/A
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1. Topic:

Updated nss_ldap packages are now available for Red Hat Linux 6.1, 6.2, and
7.

2. Relevant releases/architectures:

Red Hat Linux 6.1 - i386, alpha, sparc
Red Hat Linux 6.2 - i386, alpha, sparc
Red Hat Linux 7.0 - i386

3. Problem description:

A race condition has been found in the nss_ldap package.  On a system
running nscd, a malicious user can cause the system to hang.

4. Solution:

For each RPM for your particular architecture, run:

rpm -Fvh [filename]

where filename is the name of the RPM.

5. Bug IDs fixed (http://bugzilla.redhat.com/bugzilla for more info):

11187 - nss_ldap-106 exposes shadow passwords when nscd active
19923 - nss_ldap has a bug that can deadlock a machine


6. RPMs required:

Red Hat Linux 6.1:

alpha:
ftp://updates.redhat.com/6.1/alpha/nss_ldap-122-1.6.alpha.rpm

sparc:
ftp://updates.redhat.com/6.1/sparc/nss_ldap-122-1.6.sparc.rpm

i386:
ftp://updates.redhat.com/6.1/i386/nss_ldap-122-1.6.i386.rpm

sources:
ftp://updates.redhat.com/6.1/SRPMS/nss_ldap-122-1.6.src.rpm

Red Hat Linux 6.2:

alpha:
ftp://updates.redhat.com/6.2/alpha/nss_ldap-122-1.6.alpha.rpm

sparc:
ftp://updates.redhat.com/6.2/sparc/nss_ldap-122-1.6.sparc.rpm

i386:
ftp://updates.redhat.com/6.2/i386/nss_ldap-122-1.6.i386.rpm

sources:
ftp://updates.redhat.com/6.2/SRPMS/nss_ldap-122-1.6.src.rpm

Red Hat Linux 7.0:

i386:
ftp://updates.redhat.com/7.0/i386/nss_ldap-122-1.7.i386.rpm

sources:
ftp://updates.redhat.com/7.0/SRPMS/nss_ldap-122-1.7.src.rpm

7. Verification:

MD5 sum                           Package Name
--------------------------------------------------------------------------
d6ccb0a79d788abc6b82be62981582dd  6.1/SRPMS/nss_ldap-122-1.6.src.rpm
08d8e980347fe7d81e29e1ca27e7cb09  6.1/alpha/nss_ldap-122-1.6.alpha.rpm
4d47831ae8516106392e74f5e1f2fd02  6.1/i386/nss_ldap-122-1.6.i386.rpm
f12cc2e7f9ab1c5faed9c647bfcbab03  6.1/sparc/nss_ldap-122-1.6.sparc.rpm
d6ccb0a79d788abc6b82be62981582dd  6.2/SRPMS/nss_ldap-122-1.6.src.rpm
08d8e980347fe7d81e29e1ca27e7cb09  6.2/alpha/nss_ldap-122-1.6.alpha.rpm
4d47831ae8516106392e74f5e1f2fd02  6.2/i386/nss_ldap-122-1.6.i386.rpm
f12cc2e7f9ab1c5faed9c647bfcbab03  6.2/sparc/nss_ldap-122-1.6.sparc.rpm
7d3dedc08a5db1c30964389a8a3493ab  7.0/SRPMS/nss_ldap-122-1.7.src.rpm
95337178e79472118cf33b0584462679  7.0/i386/nss_ldap-122-1.7.i386.rpm

These packages are GPG signed by Red Hat, Inc. for security.  Our key
is available at:
    http://www.redhat.com/corp/contact.html

You can verify each package with the following command:
    rpm --checksig  <filename>

If you only wish to verify that each package has not been corrupted or
tampered with, examine only the md5sum with the following command:
    rpm --checksig --nogpg <filename>

8. References:

N/A


Copyright(c) 2000 Red Hat, Inc.