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Vulnerability · Published Nov 23, 2020 · Assigned by redhat

CVE-2020-25696

High 7.5

In plain English

A high-severity security flaw in PostgreSQL. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.7% (higher than 86% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)7.5High
Exploit odds (30 days)2.7%top 14.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

A flaw was found in the psql interactive terminal of PostgreSQL in versions before 13.1, before 12.5, before 11.10, before 10.15, before 9.6.20 and before 9.5.24. If an interactive psql session uses \gset when querying a compromised server, the attacker can execute arbitrary code as the operating system account running psql. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8postgres-decoderbufs0.10.0-2.module_el8.6.0+2760+1746ec94ALSA-2020:5620
AlmaLinux:8postgres-decoderbufs0.10.0-2.module_el8.6.0+2758+4f4474dfALSA-2020:5620
Alpine:v3.20postgresql1412.5-r0ALPINE-CVE-2020-25696
Alpine:v3.20postgresql1512.5-r0ALPINE-CVE-2020-25696
Rocky Linux:8pgaudit0:1.4.0-4.module+el8.4.0+545+ca56da2eRLSA-2020:5620
Rocky Linux:8postgres-decoderbufs0:0.10.0-2.module+el8.5.0+684+c3892ef9RLSA-2020:5620
Rocky Linux:8postgres-decoderbufs0:0.10.0-2.module+el8.4.0+424+71d47d9aRLSA-2020:5620

Affected products (as reported)

VendorProductVersions
n/a PostgreSQL All PostgreSQL versions before 13.1, before 12.5, before 11.10, before 10.15, before 9.6.20 and before 9.5.24

Weakness: CWE-183

References