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Gentoo Linux Security Advisory                           GLSA 200508-22
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                                            https://security.gentoo.org/
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  Severity: Normal
     Title: pam_ldap: Authentication bypass vulnerability
      Date: August 31, 2005
      Bugs: #103659
        ID: 200508-22

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Synopsis
=======
pam_ldap contains a vulnerability that may allow a remote attacker to
gain system access.

Background
=========
pam_ldap is a Pluggable Authentication Module which allows
authentication against LDAP directories.

Affected packages
================
    -------------------------------------------------------------------
     Package            /  Vulnerable  /                    Unaffected
    -------------------------------------------------------------------
  1  sys-auth/pam_ldap        < 180                             >= 180

Description
==========
When a pam_ldap client attempts to authenticate against an LDAP server
that omits the optional error value from the
PasswordPolicyResponseValue, the authentication attempt will always
succeed.

Impact
=====
A remote attacker may exploit this vulnerability to bypass the LDAP
authentication mechanism, gaining access to the system possibly with
elevated privileges.

Workaround
=========
There is no known workaround at this time.

Resolution
=========
All pam_ldap users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=sys-auth/pam_ldap-180"

References
=========
  [ 1 ] CAN-2005-2641
          [ 2 ] US-CERT VU#778916
        http://www.kb.cert.org/vuls/id/778916

Availability
===========
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

  https://security.gentoo.org/glsa/200508-22

Concerns?
========
Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
https://bugs.gentoo.org/.

License
======
Copyright 2005 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

https://creativecommons.org/licenses/by-sa/2.0/

Gentoo: GLSA-200508-22: pam_ldap: Authentication bypass vulnerability

pam_ldap contains a vulnerability that may allow a remote attacker to gain system access.

Summary

Gentoo Linux Security Advisory GLSA 200508-22 https://security.gentoo.org/ Severity: Normal Title: pam_ldap: Authentication bypass vulnerability Date: August 31, 2005 Bugs: #103659 ID: 200508-22

Synopsis ======= pam_ldap contains a vulnerability that may allow a remote attacker to gain system access.
Background ========= pam_ldap is a Pluggable Authentication Module which allows authentication against LDAP directories.
Affected packages ================ ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 sys-auth/pam_ldap < 180 >= 180
========== When a pam_ldap client attempts to authenticate against an LDAP server that omits the optional error value from the PasswordPolicyResponseV...

Read the Full Advisory

Resolution

References


Availability

Concerns

Severity

Synopsis

Background

Affected Packages

Impact

Workaround

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