Description
PgBouncer 1.6.x before 1.6.1, when configured with auth_user, allows remote attackers to gain login access as auth_user via an unknown username.
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 14 | pgbouncer | 1.6.1-1 | — |
| Debian 13 | pgbouncer | 1.6.1-1 | — |
| Debian 12 | pgbouncer | 1.6.1-1 | — |
References
- https://github.com/pgbouncer/pgbouncer/commit/7ca3e5279d05fceb1e8a043c6f5b6f58dea3ed38
- GLSA-201701-24 vendor-advisory
- http://comments.gmane.org/gmane.comp.db.postgresql.pgbouncer.general/1251
- https://pgbouncer.github.io/2015/09/pgbouncer-1-6-1
- [oss-security] 20150905 Re: CVE Request: PgBouncer: failed auth_query lookup leads to connection as auth_user mailing-list
- https://github.com/pgbouncer/pgbouncer/issues/69