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TITLE:
pam_ldap Client Authentication Security Bypass

SECUNIA ADVISORY ID:
SA16518

VERIFY ADVISORY:
http://secunia.com/advisories/16518/

CRITICAL:
Less critical

IMPACT:
Security Bypass

WHERE:
>From remote

SOFTWARE:
pam_ldap 1.x
http://secunia.com/product/2131/

DESCRIPTION:
A security issue has been reported in pam_ldap, which can be
exploited by malicious people to bypass certain security
restrictions.

The problem is caused due to an error when a pam_ldap client
authenticates against an LDAP server that returns a
passwordPolicyResponse control in a BindResponse without the optional
"error" field.

Successful exploitation grants access without checking the
authentication result.

The security issue has been reported in versions 169 through 179.

SOLUTION:
Update to version 180.

PROVIDED AND/OR DISCOVERED BY:
Reported by vendor.

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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