| 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, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more) |
| NVD severity | medium |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| pgbouncer (PTS) | stretch | 1.7.2-2 | vulnerable |
| buster | 1.9.0-2 | vulnerable | |
| bullseye | 1.15.0-1 | vulnerable | |
| bookworm, sid | 1.16.1-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| pgbouncer | source | (unstable) | 1.16.1-1 |
[bullseye] - pgbouncer <no-dsa> (Minor issue; can be fixed via point release)
[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)