TITLE:
Apache auth_ldap Module "auth_ldap_log_reason()" Format String
Vulnerability

SECUNIA ADVISORY ID:
SA18382

VERIFY ADVISORY:
http://secunia.com/advisories/18382/

CRITICAL:
Highly critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
auth_ldap 1.x (module for Apache)
http://secunia.com/product/6764/

DESCRIPTION:
Seregorn has reported a vulnerability in the auth_ldap module for
Apache, which can be exploited by malicious people to compromise a
vulnerable system.

The vulnerability is caused due to a format string error in the
"auth_ldap_log_reason()" function. This can be exploited to execute
arbitrary code by e.g. supplying a specially crafted username in the
authentication process.

The vulnerability has been reported in versions 1.2.x through 1.6.0.
Prior versions may also be affected.

SOLUTION:
Update to version 1.6.1:
http://www.rudedog.org/auth_ldap/auth_ldap-1.6.1.tar.gz

PROVIDED AND/OR DISCOVERED BY:
Seregorn

ORIGINAL ADVISORY:
Digital Armaments:
http://www.digitalarmaments.com/2006090173928420.html

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