| Name | CVE-2021-3935 |
| Description | When PgBouncer is configured to use "cert" authentication, a man-in-the-middle attacker can inject arbitrary SQL queries when a connection is first established, despite the use of TLS certificate verification and encryption. This flaw affects PgBouncer versions prior to 1.16.1. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-2922-1, DLA-4180-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| pgbouncer (PTS) | bullseye | 1.15.0-1 | vulnerable |
| bullseye (security) | 1.15.0-1+deb11u1 | fixed |
| bookworm | 1.18.0-1 | fixed |
| trixie, sid | 1.24.1-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
[buster] - pgbouncer <no-dsa> (Minor issue; can be fixed via point release)
https://www.pgbouncer.org/2021/11/pgbouncer-1-16-1
https://github.com/pgbouncer/pgbouncer/releases/tag/pgbouncer_1_16_1
https://github.com/pgbouncer/pgbouncer/commit/e4453c9151a2f5af0a9cb049b302a3f9f9654453 (v1.16.1)