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.

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Advisories
Source ID Title
EUVD EUVD EUVD-2021-26722 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.
Ubuntu USN Ubuntu USN USN-4735-1 PostgreSQL vulnerability
Fixes

Solution

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Workaround

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cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-03T16:53:17.479Z

Reserved: 2021-02-02T00:00:00

Link: CVE-2021-3393

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-04-01T14:15:13.657

Modified: 2024-11-21T06:21:24.200

Link: CVE-2021-3393

cve-icon Redhat

Severity : Low

Publid Date: 2021-02-11T00:00:00Z

Links: CVE-2021-3393 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses