Oracle Linux 9 : krb5 (ELSA-2023-2570)

medium Nessus Plugin ID 175707

Synopsis

The remote Oracle Linux host is missing a security update.

Description

The remote Oracle Linux 9 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2023-2570 advisory.

- Add support for MS-PAC extended KDC signature (CVE-2022-37967)
- Fix integer overflows in PAC parsing (CVE-2022-42898)
- Fix KDC null deref on TGS inner body null server (CVE-2021-37750)
- Fix KDC null deref on bad encrypted challenge (CVE-2021-36222)

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

Note that Nessus has not tested for this issue 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-2023-2570.html

Plugin Details

Severity: Medium

ID: 175707

File Name: oraclelinux_ELSA-2023-2570.nasl

Version: 1.4

Type: local

Agent: unix

Published: 5/15/2023

Updated: 11/1/2024

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 9

Temporal Score: 6.7

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

CVSS Score Source: CVE-2020-17049

CVSS v3

Risk Factor: Medium

Base Score: 6.6

Temporal Score: 5.8

Vector: CVSS:3.0/AV:N/AC:H/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:krb5-pkinit, p-cpe:/a:oracle:linux:krb5-server-ldap, p-cpe:/a:oracle:linux:libkadm5, p-cpe:/a:oracle:linux:krb5-workstation, p-cpe:/a:oracle:linux:krb5-server, p-cpe:/a:oracle:linux:krb5-devel, p-cpe:/a:oracle:linux:krb5-libs, cpe:/o:oracle:linux:9

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: 5/15/2023

Vulnerability Publication Date: 11/10/2020

Reference Information

CVE: CVE-2020-17049