CVE-2021-23222
First published: Fri Nov 12 2021(Updated: )
PostgreSQL is vulnerable to a man-in-the-middle attack, caused by improper validation of user-supplied input by libpq. A remote attacker could exploit this vulnerability to launch a man-in-the-middle attack to inject false responses to the client's first few queries, despite the use of SSL certificate verification and encryption.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| IBM Spectrum Protect Plus | <=10.1.0.0-10.1.9.2 | |
| redhat/postgresql | <9.6.24 | 9.6.24 |
| redhat/postgresql | <10.19 | 10.19 |
| redhat/postgresql | <11.14 | 11.14 |
| redhat/postgresql | <12.9 | 12.9 |
| redhat/postgresql | <13.5 | 13.5 |
| redhat/postgresql | <14.1 | 14.1 |
| PostgreSQL PostgreSQL | >=9.6<9.6.24 | |
| PostgreSQL PostgreSQL | >=10.0<10.19 | |
| PostgreSQL PostgreSQL | >=11.0<11.14 | |
| PostgreSQL PostgreSQL | >=12.0<12.9 | |
| PostgreSQL PostgreSQL | >=13.0<13.5 | |
| PostgreSQL PostgreSQL | =14.0 |
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Reference Links
- https://www.postgresql.org/support/security/CVE-2021-23222/
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2022676
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2022682
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2022677
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2022678
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2022679
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2022680
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2022683
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2022681
- https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=160c0258802d10b0600d7671b1bbea55d8e17d45
- https://access.redhat.com/errata/RHSA-2021:5179
- https://access.redhat.com/errata/RHSA-2021:5197
- https://access.redhat.com/security/cve/cve-2021-23222
- https://access.redhat.com/errata/RHSA-2022:1891
- https://bugzilla.redhat.com/show_bug.cgi?id=2022675
- https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=d83cdfdca9d918bbbd6bb209139b94c954da7228
- https://github.com/postgres/postgres/commit/160c0258802d10b0600d7671b1bbea55d8e17d45
- https://security.gentoo.org/glsa/202211-04
- https://exchange.xforce.ibmcloud.com/vulnerabilities/218383
- https://www.ibm.com/support/pages/node/6562989 (Advisory)
- https://git.postgresql.org/gitweb/?p=postgresql.git%3Ba=commitdiff%3Bh=d83cdfdca9d918bbbd6bb209139b94c954da7228
Frequently Asked Questions
What is CVE-2021-23222?
CVE-2021-23222 is a vulnerability in PostgreSQL that allows a man-in-the-middle attacker to inject false responses to the client's queries.
How does CVE-2021-23222 affect PostgreSQL?
CVE-2021-23222 affects versions of PostgreSQL up to 9.6.24, 10.19, 11.14, 12.9, 13.5, and 14.0.
What is the severity of CVE-2021-23222?
The severity of CVE-2021-23222 is medium, with a CVSS score of 5.9.
How can a man-in-the-middle attack be prevented in PostgreSQL?
To prevent a man-in-the-middle attack in PostgreSQL, users should update to the latest version that includes the fix.
Where can I find more information about CVE-2021-23222?
More information about CVE-2021-23222 can be found on Red Hat Bugzilla and the official PostgreSQL git repository.
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