libpam-pgsql (aka pam_pgsql) 0.7 does not properly handle a NULL value returned by the password search query, which allows remote attackers to bypass authentication via a crafted password.
Weakness
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Libpam-pgsql | Lucas_clemente_vella | 0.7 (including) | 0.7 (including) |
| Pam-pgsql | Ubuntu | hardy | * |
| Pam-pgsql | Ubuntu | lucid | * |
| Pam-pgsql | Ubuntu | oneiric | * |
| Pam-pgsql | Ubuntu | precise | * |
| Pam-pgsql | Ubuntu | quantal | * |
| Pam-pgsql | Ubuntu | raring | * |
| Pam-pgsql | Ubuntu | saucy | * |
Potential Mitigations
Related Attack Patterns
- https://cwe.mitre.org/data/definitions/114.html
- https://cwe.mitre.org/data/definitions/115.html
- https://cwe.mitre.org/data/definitions/151.html
- https://cwe.mitre.org/data/definitions/194.html
- https://cwe.mitre.org/data/definitions/22.html
- https://cwe.mitre.org/data/definitions/57.html
- https://cwe.mitre.org/data/definitions/593.html
- https://cwe.mitre.org/data/definitions/633.html
- https://cwe.mitre.org/data/definitions/650.html
- https://cwe.mitre.org/data/definitions/94.html
References
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00010.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00040.html
- http://seclists.org/oss-sec/2013/q1/86
- http://seclists.org/oss-sec/2013/q1/99
- http://sourceforge.net/p/pam-pgsql/bugs/13/
- http://sourceforge.net/u/lvella/pam-pgsql/ci/9361f5970e5dd90a747319995b67c2f73b91448c/
- http://www.securityfocus.com/bid/57440
- https://exchange.xforce.ibmcloud.com/vulnerabilities/81363
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00010.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00040.html
- http://seclists.org/oss-sec/2013/q1/86
- http://seclists.org/oss-sec/2013/q1/99
- http://sourceforge.net/p/pam-pgsql/bugs/13/
- http://sourceforge.net/u/lvella/pam-pgsql/ci/9361f5970e5dd90a747319995b67c2f73b91448c/
- http://www.securityfocus.com/bid/57440
- https://exchange.xforce.ibmcloud.com/vulnerabilities/81363