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Ubuntu 18.04 LTS / 20.04 LTS : PostgreSQL vulnerabilities (USN-4972-1)

high Nessus Plugin ID 150129

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Synopsis

The remote Ubuntu host is missing one or more security updates.

Description

The remote Ubuntu 18.04 LTS / 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-4972-1 advisory.

 Tom Lane discovered that PostgreSQL incorrect handled certain array subscripting calculations. An authenticated attacker could possibly use this issue to overwrite server memory and escalate privileges.
 (CVE-2021-32027)

 Andres Freund discovered that PostgreSQL incorrect handled certain INSERT ... ON CONFLICT ... DO UPDATE commands. A remote attacker could possibly use this issue to read server memory and obtain sensitive information. (CVE-2021-32028)

 Tom Lane discovered that PostgreSQL incorrect handled certain UPDATE ... RETURNING commands. A remote attacker could possibly use this issue to read server memory and obtain sensitive information. This issue only affected Ubuntu 20.04 LTS, Ubuntu 20.10, and Ubuntu 21.04. (CVE-2021-32029)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://ubuntu.com/security/notices/USN-4972-1

Plugin Details

Severity: High

ID: 150129

File Name: ubuntu_USN-4972-1.nasl

Version: 1.8

Type: local

Agent: unix

Published: 6/1/2021

Updated: 8/27/2024

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 4.8

Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:P

CVSS Score Source: CVE-2021-32027

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:20.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:postgresql-plperl-12, p-cpe:/a:canonical:ubuntu_linux:postgresql-client-10, p-cpe:/a:canonical:ubuntu_linux:postgresql-server-dev-10, p-cpe:/a:canonical:ubuntu_linux:postgresql-plperl-10, p-cpe:/a:canonical:ubuntu_linux:postgresql-client-12, p-cpe:/a:canonical:ubuntu_linux:postgresql-server-dev-12, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:postgresql-pltcl-12, p-cpe:/a:canonical:ubuntu_linux:libecpg-compat3, p-cpe:/a:canonical:ubuntu_linux:libecpg6, p-cpe:/a:canonical:ubuntu_linux:libpgtypes3, p-cpe:/a:canonical:ubuntu_linux:postgresql-plpython3-10, p-cpe:/a:canonical:ubuntu_linux:postgresql-plpython-10, p-cpe:/a:canonical:ubuntu_linux:libpq5, p-cpe:/a:canonical:ubuntu_linux:libpq-dev, p-cpe:/a:canonical:ubuntu_linux:postgresql-10, p-cpe:/a:canonical:ubuntu_linux:postgresql-pltcl-10, p-cpe:/a:canonical:ubuntu_linux:postgresql-12, p-cpe:/a:canonical:ubuntu_linux:postgresql-plpython3-12, p-cpe:/a:canonical:ubuntu_linux:libecpg-dev

Required KB Items: Host/cpu, Host/Debian/dpkg-l, Host/Ubuntu, Host/Ubuntu/release

Exploit Ease: No known exploits are available

Patch Publication Date: 6/1/2021

Vulnerability Publication Date: 5/13/2021

Reference Information

CVE: CVE-2021-32027, CVE-2021-32028, CVE-2021-32029

IAVB: 2021-B-0036-S

USN: 4972-1