FreeBSD : krb5 -- Double-free in KDC TGS processing (a6986f0f-3ac0-11ee-9a88-206a8a720317)

high Nessus Plugin ID 179873

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Synopsis

The remote FreeBSD host is missing one or more security-related updates.

Description

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the a6986f0f-3ac0-11ee-9a88-206a8a720317 advisory.

- This is a backport of the upstream fix for CVE-2023-39975: https://github.com/krb5/krb5/pull/1312 (CVE-2023-39975)

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.

Plugin Details

Severity: High

ID: 179873

File Name: freebsd_pkg_a6986f0f3ac011ee9a88206a8a720317.nasl

Version: 1.5

Type: local

Family: FreeBSD Local Security Checks

Published: 8/15/2023

Updated: 9/26/2023

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

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-2023-39975

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: p-cpe:/a:freebsd:freebsd:krb5, p-cpe:/a:freebsd:freebsd:krb5-121, p-cpe:/a:freebsd:freebsd:krb5-devel, cpe:/o:freebsd:freebsd

Required KB Items: Host/local_checks_enabled, Host/FreeBSD/release, Host/FreeBSD/pkg_info

Exploit Ease: No known exploits are available

Patch Publication Date: 8/14/2023

Vulnerability Publication Date: 8/8/2023

Reference Information

CVE: CVE-2023-39975

IAVB: 2023-B-0061

Detections

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