CVE-2021-23222 Security feature bypass in postgresql
Man-in-the-middle attackers can inject false responses to initial queries, bypassing SSL verification and encryption protections in PostgreSQL.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-23222?
CVE-2021-23222 is a medium-severity vulnerability in Postgresql Postgresql, published on 2 Mar 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A man-in-the-middle attacker can inject false responses to the client's first few queries, despite the use of SSL certificate verification and encryption.
Weakness: CWE-522
Which versions are affected by CVE-2021-23222?
1 open source package ship an affected version, including postgresql. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
postgresql Bitnami | From 9.6.0 | 9.6.24, 10.19.0, 11.14.0, 12.9.0, 13.5.0, 14.0.1 |
Linux distribution packages (8)
libpq AlmaLinux:8 | All versions | 13.5-1.el8 |
libpq-devel AlmaLinux:8 | All versions | 13.5-1.el8 |
libpq Red Hat:enterprise_linux:8::appstream | All versions | 0:13.5-1.el8 |
libpq-debuginfo Red Hat:enterprise_linux:8::appstream | All versions | 0:13.5-1.el8 |
libpq-debugsource Red Hat:enterprise_linux:8::appstream | All versions | 0:13.5-1.el8 |
libpq-devel Red Hat:enterprise_linux:8::appstream | All versions | 0:13.5-1.el8 |
libpq-devel-debuginfo Red Hat:enterprise_linux:8::appstream | All versions | 0:13.5-1.el8 |
libpq Rocky Linux:8 | All versions | 0:13.5-1.el8 |
Products include Postgresql Postgresql.
How do I fix CVE-2021-23222?
Upgrade postgresql to a fixed version for your release line: 9.6.24, 10.19.0, 11.14.0 or 12.9.0.
Is CVE-2021-23222 being exploited?
There is no known exploitation of CVE-2021-23222 in the wild and no public exploit code.
Other vulnerabilities in Postgresql Postgresql
Sources
Also known as ALPINE-CVE-2021-23222, ALSA-2022:1891, AZL-8901, BIT-postgresql-2021-23222, CLEANSTART-2026-EL15965, CLSA-2022-1671124508 and 8 more.