CVE-2021-3393

Published: 12 February 2021

An information leak was discovered in postgresql in versions before 13.2, before 12.6 and before 11.11. A user having UPDATE permission but not SELECT permission to a particular column could craft queries which, under some circumstances, might disclose values from that column in error messages. An attacker could use this flaw to obtain information stored in a column they are allowed to write but not read.

Priority

Medium

CVSS 3 base score: 4.3

Status

References

• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3393
• https://www.postgresql.org/about/news/postgresql-132-126-1111-1016-9621-and-9525-released-2165/
• https://ubuntu.com/security/notices/USN-4735-1
• NVD
• Launchpad
• Debian