Information Exposure Affecting postgresql-13 package, versions <13.2-1
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Test your applications- Snyk ID SNYK-DEBIAN11-POSTGRESQL13-1072117
- published 12 Feb 2021
- disclosed 1 Apr 2021
Introduced: 12 Feb 2021
CVE-2021-3393 Open this link in a new tabHow to fix?
Upgrade Debian:11 postgresql-13 to version 13.2-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream postgresql-13 package and not the postgresql-13 package as distributed by Debian.
See How to fix? for Debian:11 relevant fixed versions and status.
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.