CVE-2021-3935
Publication date 22 November 2021
Last updated 24 July 2024
Ubuntu priority
Cvss 3 Severity Score
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.
Status
Package | Ubuntu Release | Status |
---|---|---|
pgbouncer | 24.10 oracular |
Not affected
|
24.04 LTS noble |
Not affected
|
|
22.04 LTS jammy |
Needs evaluation
|
|
20.04 LTS focal |
Needs evaluation
|
|
18.04 LTS bionic |
Needs evaluation
|
|
16.04 LTS xenial |
Needs evaluation
|
|
14.04 LTS trusty | Ignored end of standard support |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 8.1 · High |
Attack vector | Network |
Attack complexity | High |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | High |
Availability impact | High |
Vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
References
Other references
- 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)
- https://bugzilla.redhat.com/show_bug.cgi?id=2021251
- http://www.pgbouncer.org/changelog.html#pgbouncer-116x
- https://www.cve.org/CVERecord?id=CVE-2021-3935