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All Products
Red Hat Product Errata RHBA-2013:0085 - Bug Fix Advisory
Issued:
2013-01-07
Updated:
2013-01-07

RHBA-2013:0085 - Bug Fix Advisory

  • Overview
  • Updated Packages

Synopsis

nss_ldap bug fix update

Type/Severity

Bug Fix Advisory

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

Updated nss_ldap packages that fix multiple bugs are now available for Red Hat
Enterprise Linux 5.

Description

The nss_ldap packages contain the nss_ldap and pam_ldap modules. The nss_ldap
module is a name service switch module which allows applications to retrieve
information about users and groups from a directory server. The pam_ldap module
allows a directory server to be used by PAM-aware applications to verify user
passwords.

This update fixes the following bugs:

  • When parsing an ldap.conf file that contained a host and a port definition,

the nss_ldap "do_add_hosts()" function always created a URI starting with
"ldap://" regardless of SSL being enabled. Consequently, when the response
included an "ldaps://..." referral to the same server and port, the libldap
library considered this to be a different scheme ("ldaps" vs. the initial
"ldap") and opened new connections for each referral lookup instead of reusing
the existing persistent connection. The code has been improved and now when the
SSL option is enabled the initial URI will be in the format "ldaps://...". As a
result, nss_ldap now correctly uses the LDAPS scheme with SSL connections.
(BZ#761281)

  • Due to a regression in the configuration parser, the "do_readline()" function

did not return the correct exit code when the last line of "/etc/ldap.secret"
did not contain a newline. Consequently, the nss_ldap module failed to bind to
the LDAP server. With this update the parser now returns the correct exit code
when parsing /etc/ldap.secret and nss_ldap works as expected in the scenario
described. (BZ#797410)

  • The nss_ldap module used to leak memory when an entry that did not exist on

the remote server was requested. The memory leak has been fixed by freeing an
internal search structure even in cases where the search does not finish
successfully. (BZ#835555)

All users of nss_ldap are advised to upgrade to these updated packages, which
fix these bugs.

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/knowledge/articles/11258

Affected Products

  • Red Hat Enterprise Linux Server 5 x86_64
  • Red Hat Enterprise Linux Server 5 ia64
  • Red Hat Enterprise Linux Server 5 i386
  • Red Hat Enterprise Linux Workstation 5 x86_64
  • Red Hat Enterprise Linux Workstation 5 i386
  • Red Hat Enterprise Linux Desktop 5 x86_64
  • Red Hat Enterprise Linux Desktop 5 i386
  • Red Hat Enterprise Linux for IBM z Systems 5 s390x
  • Red Hat Enterprise Linux for Power, big endian 5 ppc
  • Red Hat Enterprise Linux Server from RHUI 5 x86_64
  • Red Hat Enterprise Linux Server from RHUI 5 i386

Fixes

  • BZ - 761281 - ldaps scheme should be used when ssl is enabled
  • BZ - 797410 - nss_ldap-253-49 fails to bind when ldap.secret does not contain a newline

CVEs

(none)

References

(none)

Note: More recent versions of these packages may be available. Click a package name for more details.

Red Hat Enterprise Linux Server 5

SRPM
nss_ldap-253-51.el5.src.rpm SHA-256: eea8c41f587627fc2306ac8c3399618c271a33f17e95c68af1dfc906888e503f
x86_64
nss_ldap-253-51.el5.i386.rpm SHA-256: e13f17902ae79c8bf6d9b469b9837163ca961fa690bbe3d8ce6c963e6b395c5e
nss_ldap-253-51.el5.x86_64.rpm SHA-256: 9685548b0085f560493398bf73c916eef5eb895930cc4dae454a3251a33bbd83
nss_ldap-debuginfo-253-51.el5.i386.rpm SHA-256: 7fd95d4a4acc5704e5f9213cd1e3137d2a5bb9a8935794a868ea2e83631e2125
nss_ldap-debuginfo-253-51.el5.x86_64.rpm SHA-256: aad6a6ba64d05d484a3bd448c3efa117ee85f09b2d1f837191fd4d8b4d62af17
ia64
nss_ldap-253-51.el5.i386.rpm SHA-256: e13f17902ae79c8bf6d9b469b9837163ca961fa690bbe3d8ce6c963e6b395c5e
nss_ldap-253-51.el5.ia64.rpm SHA-256: 6db1c9cfc31297a6db7c0d4714bc8b3bc40e1e39091edd44c51d378e9aca60a6
nss_ldap-debuginfo-253-51.el5.i386.rpm SHA-256: 7fd95d4a4acc5704e5f9213cd1e3137d2a5bb9a8935794a868ea2e83631e2125
nss_ldap-debuginfo-253-51.el5.ia64.rpm SHA-256: 68945c01be2ec15a30559cd8073e38929af8861c5b9b6c352d9410671d647402
i386
nss_ldap-253-51.el5.i386.rpm SHA-256: e13f17902ae79c8bf6d9b469b9837163ca961fa690bbe3d8ce6c963e6b395c5e
nss_ldap-debuginfo-253-51.el5.i386.rpm SHA-256: 7fd95d4a4acc5704e5f9213cd1e3137d2a5bb9a8935794a868ea2e83631e2125

Red Hat Enterprise Linux Workstation 5

SRPM
nss_ldap-253-51.el5.src.rpm SHA-256: eea8c41f587627fc2306ac8c3399618c271a33f17e95c68af1dfc906888e503f
x86_64
nss_ldap-253-51.el5.i386.rpm SHA-256: e13f17902ae79c8bf6d9b469b9837163ca961fa690bbe3d8ce6c963e6b395c5e
nss_ldap-253-51.el5.x86_64.rpm SHA-256: 9685548b0085f560493398bf73c916eef5eb895930cc4dae454a3251a33bbd83
nss_ldap-debuginfo-253-51.el5.i386.rpm SHA-256: 7fd95d4a4acc5704e5f9213cd1e3137d2a5bb9a8935794a868ea2e83631e2125
nss_ldap-debuginfo-253-51.el5.x86_64.rpm SHA-256: aad6a6ba64d05d484a3bd448c3efa117ee85f09b2d1f837191fd4d8b4d62af17
i386
nss_ldap-253-51.el5.i386.rpm SHA-256: e13f17902ae79c8bf6d9b469b9837163ca961fa690bbe3d8ce6c963e6b395c5e
nss_ldap-debuginfo-253-51.el5.i386.rpm SHA-256: 7fd95d4a4acc5704e5f9213cd1e3137d2a5bb9a8935794a868ea2e83631e2125

Red Hat Enterprise Linux Desktop 5

SRPM
nss_ldap-253-51.el5.src.rpm SHA-256: eea8c41f587627fc2306ac8c3399618c271a33f17e95c68af1dfc906888e503f
x86_64
nss_ldap-253-51.el5.i386.rpm SHA-256: e13f17902ae79c8bf6d9b469b9837163ca961fa690bbe3d8ce6c963e6b395c5e
nss_ldap-253-51.el5.x86_64.rpm SHA-256: 9685548b0085f560493398bf73c916eef5eb895930cc4dae454a3251a33bbd83
nss_ldap-debuginfo-253-51.el5.i386.rpm SHA-256: 7fd95d4a4acc5704e5f9213cd1e3137d2a5bb9a8935794a868ea2e83631e2125
nss_ldap-debuginfo-253-51.el5.x86_64.rpm SHA-256: aad6a6ba64d05d484a3bd448c3efa117ee85f09b2d1f837191fd4d8b4d62af17
i386
nss_ldap-253-51.el5.i386.rpm SHA-256: e13f17902ae79c8bf6d9b469b9837163ca961fa690bbe3d8ce6c963e6b395c5e
nss_ldap-debuginfo-253-51.el5.i386.rpm SHA-256: 7fd95d4a4acc5704e5f9213cd1e3137d2a5bb9a8935794a868ea2e83631e2125

Red Hat Enterprise Linux for IBM z Systems 5

SRPM
nss_ldap-253-51.el5.src.rpm SHA-256: eea8c41f587627fc2306ac8c3399618c271a33f17e95c68af1dfc906888e503f
s390x
nss_ldap-253-51.el5.s390.rpm SHA-256: ea17e66c021feced3e24b79a63a7bc7ced4717f11385ea0e0f7e777f0daa2ae7
nss_ldap-253-51.el5.s390x.rpm SHA-256: 19a2f6e308980506e9f65264a812892cef541f0416655c70d0c5fe8581a8f9d1
nss_ldap-debuginfo-253-51.el5.s390.rpm SHA-256: ad70e4c14694223ccce332f39290d95102749d2014ee75b2638845efcb72a2c7
nss_ldap-debuginfo-253-51.el5.s390x.rpm SHA-256: 8fcadcaaf43d6fd0ee61a1a789108a5ccc24ebff93157242cb80e825e71b0c57

Red Hat Enterprise Linux for Power, big endian 5

SRPM
nss_ldap-253-51.el5.src.rpm SHA-256: eea8c41f587627fc2306ac8c3399618c271a33f17e95c68af1dfc906888e503f
ppc
nss_ldap-253-51.el5.ppc.rpm SHA-256: 684a1fe4d0b24d538f4bf02778df5e3bb38fdc3ed138159313d1757309bc7d1e
nss_ldap-253-51.el5.ppc64.rpm SHA-256: fa7c0720dfb12eaeee78978179eb801f4199e91bbdd3f0fea413a986882b169a
nss_ldap-debuginfo-253-51.el5.ppc.rpm SHA-256: 4fb41b94dc937a02ca0f12815a6ca918e0497ffc2ebc7c0a6bb005cf531de586
nss_ldap-debuginfo-253-51.el5.ppc64.rpm SHA-256: 0afbf4733e70bf44f56d592f6196245dfe53315dd3f195af68beb7521fc57c18

Red Hat Enterprise Linux Server from RHUI 5

SRPM
nss_ldap-253-51.el5.src.rpm SHA-256: eea8c41f587627fc2306ac8c3399618c271a33f17e95c68af1dfc906888e503f
x86_64
nss_ldap-253-51.el5.i386.rpm SHA-256: e13f17902ae79c8bf6d9b469b9837163ca961fa690bbe3d8ce6c963e6b395c5e
nss_ldap-253-51.el5.x86_64.rpm SHA-256: 9685548b0085f560493398bf73c916eef5eb895930cc4dae454a3251a33bbd83
nss_ldap-debuginfo-253-51.el5.i386.rpm SHA-256: 7fd95d4a4acc5704e5f9213cd1e3137d2a5bb9a8935794a868ea2e83631e2125
nss_ldap-debuginfo-253-51.el5.x86_64.rpm SHA-256: aad6a6ba64d05d484a3bd448c3efa117ee85f09b2d1f837191fd4d8b4d62af17
i386
nss_ldap-253-51.el5.i386.rpm SHA-256: e13f17902ae79c8bf6d9b469b9837163ca961fa690bbe3d8ce6c963e6b395c5e
nss_ldap-debuginfo-253-51.el5.i386.rpm SHA-256: 7fd95d4a4acc5704e5f9213cd1e3137d2a5bb9a8935794a868ea2e83631e2125

The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.

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