Detections
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Fedora 41 : krb5 (2025-42a13f896e)

medium Nessus Plugin ID 238038

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Synopsis

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

Description

The remote Fedora 41 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2025-42a13f896e advisory.

 * Disallowing use of the `arcfour-hmac(-md5)` encryption type for session keys
 * Add support for the PKINIT paChecksum2 sequence, required for Active Directory interoperability on Windows Server 2025
 * Fix generation of RADIUS Message-Authenticator in FIPS mode


Tenable has extracted the preceding description block directly from the Fedora 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 krb5 package.

See Also

https://bodhi.fedoraproject.org/updates/FEDORA-2025-42a13f896e

Plugin Details

Severity: Medium

ID: 238038

File Name: fedora_2025-42a13f896e.nasl

Version: 1.1

Type: local

Agent: unix

Published: 6/10/2025

Updated: 6/10/2025

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5.4

Temporal Score: 4

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

CVSS Score Source: CVE-2025-3576

CVSS v3

Risk Factor: Medium

Base Score: 5.9

Temporal Score: 5.2

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

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

Vulnerability Information

CPE: p-cpe:/a:fedoraproject:fedora:krb5, cpe:/o:fedoraproject:fedora:41

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

Exploit Ease: No known exploits are available

Patch Publication Date: 6/6/2025

Vulnerability Publication Date: 4/15/2025

Reference Information

CVE: CVE-2025-3576