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.
*CVSS:
| Base Score: | 7 |
| Access Vector: | Remote |
| Access Complexity: | Low |
| Authentication: | Not Required |
| Confidentiality Impact: | Partial |
| Integrity Impact: | Partial |
| Availability Impact: | Partial |
| Temporal Score: | 5.2 |
| Exploitability: | Unproven |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Gain Access
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.
References:
- Digital Armaments Security Advisory 01.09.2006: Apache auth_ldap module Multiple Format Strings Vulnerability.
- rudedog.org: Auth_ldap: An Authentication Module for Apache.
- VulnWatch Mailing List, Mon Jan 30 2006 - 04:35:20 CST: Digital Armaments: Apache auth_ldap module Multiple Format Strings Vulnerability.
- 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
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 WS
- RedHat Enterprise Linux 2.1 AS
- RedHat Enterprise Linux 2.1 ES
- RedHat Linux Advanced Workstation 2.1 Itanium
Reported:
Jan 09, 2006
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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.