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Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : PostgreSQL vulnerabilities (USN-4472-1)

high Nessus Plugin ID 139848

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Synopsis

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

Description

Noah Misch discovered that PostgreSQL incorrectly handled the search_path setting when used with logical replication. A remote attacker could possibly use this issue to execute arbitrary SQL code.
This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS.
(CVE-2020-14349) Andres Freund discovered that PostgreSQL incorrectly handled search path elements in CREATE EXTENSION. A remote attacker could possibly use this issue to execute arbitrary SQL code.
(CVE-2020-14350).

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Update the affected packages.

See Also

https://ubuntu.com/security/notices/USN-4472-1

Plugin Details

Severity: High

ID: 139848

File Name: ubuntu_USN-4472-1.nasl

Version: 1.11

Type: local

Agent: unix

Published: 8/26/2020

Updated: 10/21/2023

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.4

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

CVSS Score Source: CVE-2020-14349

CVSS v3

Risk Factor: High

Base Score: 7.3

Temporal Score: 6.4

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

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

CVSS Score Source: CVE-2020-14350

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:postgresql-pltcl-9.5, p-cpe:/a:canonical:ubuntu_linux:postgresql-server-dev-10, p-cpe:/a:canonical:ubuntu_linux:postgresql-9.5, 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-plpython-9.5, p-cpe:/a:canonical:ubuntu_linux:postgresql-pltcl-12, p-cpe:/a:canonical:ubuntu_linux:libecpg-compat3, p-cpe:/a:canonical:ubuntu_linux:postgresql-server-dev-9.5, p-cpe:/a:canonical:ubuntu_linux:libecpg6, p-cpe:/a:canonical:ubuntu_linux:postgresql-plpython3-10, p-cpe:/a:canonical:ubuntu_linux:libpgtypes3, p-cpe:/a:canonical:ubuntu_linux:postgresql-plpython3-9.5, p-cpe:/a:canonical:ubuntu_linux:postgresql-plpython-10, 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:libpq5, p-cpe:/a:canonical:ubuntu_linux:postgresql-contrib-9.5, p-cpe:/a:canonical:ubuntu_linux:libpq-dev, p-cpe:/a:canonical:ubuntu_linux:postgresql-client-9.5, p-cpe:/a:canonical:ubuntu_linux:postgresql-10, p-cpe:/a:canonical:ubuntu_linux:postgresql-plperl-9.5, p-cpe:/a:canonical:ubuntu_linux:postgresql-pltcl-10, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, 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/Ubuntu, Host/Ubuntu/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 8/25/2020

Vulnerability Publication Date: 8/24/2020

Reference Information

CVE: CVE-2020-14349, CVE-2020-14350

IAVB: 2020-B-0047-S

USN: 4472-1