Information disclosure in PostgreSQL - CVE-2021-3393
Published: February 11, 2021
Vulnerability identifier: #VU50655
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-3393
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
PostgreSQL
PostgreSQL
Software vendor:
PostgreSQL Global Development Group
PostgreSQL Global Development Group
Description
The vulnerability allows a remote user to gain access to potentially sensitive information.
The vulnerability exists due to excessive data output in the error message. A remote user having an UPDATE privilege on a partitioned table but lacking the
SELECT privilege on some column may be able to acquire denied-column values
from an error message. This vulnerability is similar to #VU30418.
Remediation
Install updates from vendor's website.