CVE-2021-3935
Published: 22 November 2021
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.
Priority
Status
Package | Release | Status |
---|---|---|
pgbouncer Launchpad, Ubuntu, Debian |
bionic |
Needs triage
|
focal |
Needs triage
|
|
hirsute |
Ignored
(end of life)
|
|
impish |
Ignored
(end of life)
|
|
jammy |
Needs triage
|
|
kinetic |
Ignored
(end of life, was needs-triage)
|
|
lunar |
Not vulnerable
(1.16.1-1ubuntu2)
|
|
mantic |
Not vulnerable
(1.16.1-1ubuntu2)
|
|
trusty |
Ignored
(end of standard support)
|
|
upstream |
Released
(1.16.1)
|
|
xenial |
Needs triage
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 8.1 |
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
- 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
- NVD
- Launchpad
- Debian