Oracle Linux 8 : postgresql:13 (ELSA-2023-4527)

high Nessus Plugin ID 179848

Synopsis

The remote Oracle Linux host is missing one or more security updates.

Description

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2023-4527 advisory.

- Row security policies disregard user ID changes after inlining; PostgreSQL could permit incorrect policies to be applied in certain cases where role-specific policies are used and a given query is planned under one role and then executed under other roles. This scenario can happen under security definer functions or when a common user and query is planned initially and then re-used across multiple SET ROLEs. Applying an incorrect policy may permit a user to complete otherwise-forbidden reads and modifications. This affects only databases that have used CREATE POLICY to define a row security policy. (CVE-2023-2455)

- schema_element defeats protective search_path changes; It was found that certain database calls in PostgreSQL could permit an authed attacker with elevated database-level privileges to execute arbitrary code. (CVE-2023-2454)

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://linux.oracle.com/errata/ELSA-2023-4527.html

Plugin Details

Severity: High

ID: 179848

File Name: oraclelinux_ELSA-2023-4527.nasl

Version: 1.1

Type: local

Agent: unix

Published: 8/15/2023

Updated: 8/17/2023

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 8.3

Temporal Score: 6.1

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

CVSS Score Source: CVE-2023-2454

CVSS v3

Risk Factor: High

Base Score: 7.2

Temporal Score: 6.3

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

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

Vulnerability Information

CPE: p-cpe:/a:oracle:linux:postgresql-plperl, p-cpe:/a:oracle:linux:postgresql-plpython3, p-cpe:/a:oracle:linux:postgres-decoderbufs, p-cpe:/a:oracle:linux:postgresql-contrib, p-cpe:/a:oracle:linux:postgresql-docs, cpe:/a:oracle:linux:8:8:appstream_base, p-cpe:/a:oracle:linux:postgresql-static, p-cpe:/a:oracle:linux:postgresql-test-rpm-macros, cpe:/a:oracle:linux:8::appstream, p-cpe:/a:oracle:linux:postgresql-server, p-cpe:/a:oracle:linux:pgaudit, p-cpe:/a:oracle:linux:postgresql, p-cpe:/a:oracle:linux:postgresql-pltcl, cpe:/o:oracle:linux:8, p-cpe:/a:oracle:linux:postgresql-upgrade, p-cpe:/a:oracle:linux:postgresql-upgrade-devel, p-cpe:/a:oracle:linux:pg_repack, p-cpe:/a:oracle:linux:postgresql-test, cpe:/a:oracle:linux:8::appstream_developer, p-cpe:/a:oracle:linux:postgresql-server-devel

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/OracleLinux

Exploit Ease: No known exploits are available

Patch Publication Date: 8/10/2023

Vulnerability Publication Date: 5/11/2023

Reference Information

CVE: CVE-2023-2454, CVE-2023-2455

IAVB: 2023-B-0034-S