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Home >> Browse Vulnerability Assessment Database >> Gentoo Local Security Checks >> [GLSA-200508-22] pam_ldap: Authentication bypass vulnerability


Vulnerability Assessment Details

[GLSA-200508-22] pam_ldap: Authentication bypass vulnerability

Vulnerability Assessment Summary
pam_ldap: Authentication bypass vulnerability

Detailed Explanation for this Vulnerability Assessment
The remote host is affected by the vulnerability described in GLSA-200508-22
(pam_ldap: Authentication bypass vulnerability)


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 rights.

Workaround

There is no known workaround at this time.

References:
http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-2641
http://www.kb.cert.org/vuls/id/778916


Solution:
All pam_ldap users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=sys-auth/pam_ldap-180"


Network Security Threat Level: Medium


Networks Security ID:

Vulnerability Assessment Copyright: (C) 2005 Michel Arboi

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