Information Exposure Affecting postgresql14 package, versions <13.2-r0
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Test your applications- Snyk ID SNYK-ALPINE318-POSTGRESQL14-5513853
- published 24 Feb 2021
- disclosed 1 Apr 2021
Introduced: 24 Feb 2021
CVE-2021-3393 Open this link in a new tabHow to fix?
Upgrade Alpine:3.18 postgresql14 to version 13.2-r0 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream postgresql14 package and not the postgresql14 package as distributed by Alpine.
See How to fix? for Alpine:3.18 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.