Information Exposure Affecting rh-postgresql12-postgresql-plpython package, versions <0:12.7-1.el7


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
1.19% (64th percentile)

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  • Snyk IDSNYK-RHEL7-RHPOSTGRESQL12POSTGRESQLPLPYTHON-4779687
  • published26 Jul 2021
  • disclosed11 Feb 2021

Introduced: 11 Feb 2021

CVE-2021-3393  (opens in a new tab)
CWE-209  (opens in a new tab)

How to fix?

Upgrade RHEL:7 rh-postgresql12-postgresql-plpython to version 0:12.7-1.el7 or higher.
This issue was patched in RHSA-2021:2394.

NVD Description

Note: Versions mentioned in the description apply only to the upstream rh-postgresql12-postgresql-plpython package and not the rh-postgresql12-postgresql-plpython package as distributed by RHEL. See How to fix? for RHEL:7 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.

CVSS Base Scores

version 3.1