Information Exposure Affecting postgresql-plperl package, versions <0:13.5-1.module+el8.5.0+20464+55827c52


Severity

Recommended
0.0
medium
0
10

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.09% (41st percentile)

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  • Snyk IDSNYK-ORACLE8-POSTGRESQLPLPERL-2597882
  • published10 Apr 2022
  • disclosed2 Mar 2022

Introduced: 2 Mar 2022

CVE-2021-3677  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade Oracle:8 postgresql-plperl to version 0:13.5-1.module+el8.5.0+20464+55827c52 or higher.
This issue was patched in ELSA-2021-5236.

NVD Description

Note: Versions mentioned in the description apply only to the upstream postgresql-plperl package and not the postgresql-plperl package as distributed by Oracle. See How to fix? for Oracle:8 relevant fixed versions and status.

A flaw was found in postgresql. A purpose-crafted query can read arbitrary bytes of server memory. In the default configuration, any authenticated database user can complete this attack at will. The attack does not require the ability to create objects. If server settings include max_worker_processes=0, the known versions of this attack are infeasible. However, undiscovered variants of the attack may be independent of that setting.

CVSS Scores

version 3.1