Description
The core server component in PostgreSQL 8.3 before 8.3.8 and 8.2 before 8.2.14, when using LDAP authentication with anonymous binds, allows remote attackers to bypass authentication via an empty password.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 5.0 | postgresql-8.3 | 8.3.8-0lenny1 | DSA-1900-1 |
| Debian 4.0 | postgresql-7.4 | 1:7.4.26-0etch1 | DSA-1900-1 |
| Debian 4.0 | postgresql-8.1 | 8.1.18-0etch1 | DSA-1900-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Rhel Application Stack 2 | httpd +2 | 2.2.13-2.el5s2 | RHSA-2009:1461 |
| Red Hat Rhel Application Stack 2 | mod_ssl | 1:2.2.13-2.el5s2 | RHSA-2009:1461 |
| Red Hat Rhel Application Stack 2 | mysql +6 | 5.0.84-2.el5s2 | RHSA-2009:1461 |
| Red Hat Rhel Application Stack 2 | perl-DBD-MySQL | 4.012-1.el5s2 | RHSA-2009:1461 |
| Red Hat Rhel Application Stack 2 | perl-DBI | 1.609-1.el5s2 | RHSA-2009:1461 |
| Red Hat Rhel Application Stack 2 | php +18 | 5.2.10-1.el5s2 | RHSA-2009:1461 |
| Red Hat Rhel Application Stack 2 | php-pear | 1:1.8.1-2.el5s2 | RHSA-2009:1461 |
| Red Hat Rhel Application Stack 2 | postgresql +11 | 8.2.14-1.el5s2 | RHSA-2009:1461 |
| Red Hat Rhel Application Stack 2 | postgresql-jdbc | 8.2.510-1jpp.el5s2 | RHSA-2009:1461 |
Advisories 2
- DSA-1900-1 postgresql-7.4 postgresql-8.1 postgresql-8.3 - various problems Debian Security (DSA / DLA) · Mar 9, 2026
- RHSA-2009:1461 Red Hat Security Advisory: Red Hat Application Stack v2.4 security and enhancement update Red Hat Security Advisories (RHSA) · Nov 22, 2025
References
- FEDORA-2009-9474 vendor-advisory
- http://www.postgresql.org/docs/8.3/static/release-8-3-8.html
- 36314 vdb-entry
- HPSBMU02781 vendor-advisory
- 36837 third-party-advisory
- http://www.postgresql.org/support/security.html
- 36660 third-party-advisory
- 20100307 rPSA-2010-0012-1 postgresql postgresql-contrib postgresql-server mailing-list
- 36800 third-party-advisory
- DSA-1900 vendor-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=522084
- FEDORA-2009-9473 vendor-advisory
- SUSE-SR:2009:016 vendor-advisory
- 36727 third-party-advisory
- SUSE-SR:2009:017 vendor-advisory
- USN-834-1 vendor-advisory
- http://wiki.rpath.com/wiki/Advisories:rPSA-2010-0012