Fedora 38 : krb5 (2023-ca086f015c)

high Nessus Plugin ID 179649

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Synopsis

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

Description

The remote Fedora 38 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2023-ca086f015c advisory.

- kdc/do_tgs_req.c in MIT Kerberos 5 (aka krb5) 1.21 before 1.21.2 has a double free that is reachable if an authenticated user can trigger an authorization-data handling failure. Incorrect data is copied from one ticket to another. (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 krb5 package.

See Also

https://bodhi.fedoraproject.org/updates/FEDORA-2023-ca086f015c

Plugin Details

Severity: High

ID: 179649

File Name: fedora_2023-ca086f015c.nasl

Version: 1.7

Type: local

Agent: unix

Published: 8/10/2023

Updated: 7/12/2024

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, 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:fedoraproject:fedora:krb5, cpe:/o:fedoraproject:fedora:38

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

Exploit Ease: No known exploits are available

Patch Publication Date: 8/8/2023

Vulnerability Publication Date: 8/8/2023

Reference Information

CVE: CVE-2023-39975

FEDORA: 2023-ca086f015c

IAVB: 2023-B-0061-S