Apache auth_ldap module multiple format strings
| apache-authldap-format-string (24030) |  Medium Risk |
Description:
auth_ldap is could allow a remote attacker to execute arbitrary commands on the system, caused by multiple format string vulnerabilities in the ap_log_rerror() function. A remote attacker could exploit this vulnerability by supplying malicious format strings in the "username" parameter during the authentication process to gain unauthorized access to the system.
Platforms Affected:
- Dave Carrigan, auth_ldap 1.2.1
- Dave Carrigan, auth_ldap 1.2.2
- Dave Carrigan, auth_ldap 1.2.3
- Dave Carrigan, auth_ldap 1.2.4
- Dave Carrigan, auth_ldap 1.3.0
- Dave Carrigan, auth_ldap 1.3.1
- Dave Carrigan, auth_ldap 1.3.2
- Dave Carrigan, auth_ldap 1.3.3
- Dave Carrigan, auth_ldap 1.3.4
- Dave Carrigan, auth_ldap 1.4.0
- Dave Carrigan, auth_ldap 1.4.2
- Dave Carrigan, auth_ldap 1.4.3
- Dave Carrigan, auth_ldap 1.6.0
- Debian, Debian Linux 3.0
- Debian, Debian Linux 3.1
- MandrakeSoft, Mandrake Linux Corporate Server 2.1 X86_64
- MandrakeSoft, Mandrake Linux Corporate Server 2.1
- RedHat, Enterprise Linux 2.1 ES
- RedHat, Enterprise Linux 2.1 WS
- RedHat, Enterprise Linux 2.1 AS
- RedHat, Linux Advanced Workstation 2.1 Itanium
Remedy:
Upgrade to latest version of auth_ldap (1.6.1 or later), available from rudedog.org. See References.
For Debian GNU/Linux:
Refer to DSA-952-1 for patch, upgrade, or suggested workaround information. See References.
For Red Hat Linux:
Refer to RHSA-2006:0179-7 for patch, upgrade, or suggested workaround information. See References.
Consequences:
Gain Access
References:
- Digital Armaments Security Advisory 01.09.2006, Apache auth_ldap module Multiple Format Strings Vulnerability at http://www.digitalarmaments.com/2006090173928420.html.
- rudedog.org, Auth_ldap: An Authentication Module for Apache at http://www.rudedog.org/auth_ldap/.
- VulnWatch Mailing List, Mon Jan 30 2006 - 04:35:20 CST, Digital Armaments: Apache auth_ldap module Multiple Format Strings Vulnerability at http://archives.neohapsis.com/archives/vulnwatch/2006-q1/0038.html.
- ASA-2006-017: auth_ldap security update (RHSA-2006-0179)
- BID-16177: Dave Carrigan Auth_LDAP Remote Format String Vulnerability
- CVE-2006-0150: Multiple format string vulnerabilities in the auth_ldap_log_reason function in Apache auth_ldap 1.6.0 and earlier allows remote attackers to execute arbitrary code via various vectors, including the username.
- DSA-952: libapache-auth-ldap -- format string
- MDKSA-2006:017: Updated mod_auth_ldap packages fix vulnerability
- RHSA-2006-0179: auth_ldap security update
- SA18382: Apache auth_ldap Module "auth_ldap_log_reason()" Format String Vulnerability
- SECTRACK ID: 1015456: auth_ldap Format String Bug Lets Remote Users Execute Arbitrary Code
- VUPEN/ADV-2006-0117: Auth_ldap Module for Apache ap_log_rerror Format String Vulnerability
Reported:
Jan 09, 2006
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