Incomplete Cleanup Affecting postgresql-9.5 package, versions <9.5.25-0ubuntu0.16.04.1+esm2


medium

Snyk CVSS

    Attack Complexity Low
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    EPSS 0.24% (62nd percentile)
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NVD
8.8 high
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SUSE
8.8 high
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Red Hat
8.8 high

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  • Snyk ID SNYK-UBUNTU1604-POSTGRESQL95-2836569
  • published 18 May 2022
  • disclosed 31 Aug 2022

How to fix?

Upgrade Ubuntu:16.04 postgresql-9.5 to version 9.5.25-0ubuntu0.16.04.1+esm2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream postgresql-9.5 package and not the postgresql-9.5 package as distributed by Ubuntu. See How to fix? for Ubuntu:16.04 relevant fixed versions and status.

A flaw was found in PostgreSQL. There is an issue with incomplete efforts to operate safely when a privileged user is maintaining another user's objects. The Autovacuum, REINDEX, CREATE INDEX, REFRESH MATERIALIZED VIEW, CLUSTER, and pg_amcheck commands activated relevant protections too late or not at all during the process. This flaw allows an attacker with permission to create non-temporary objects in at least one schema to execute arbitrary SQL functions under a superuser identity.