Detections
Analytics

Fedora 43 : krb5 (2025-1c915db8a5)

medium Nessus Plugin ID 237911

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Synopsis

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

Description

The remote Fedora 43 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2025-1c915db8a5 advisory.

 Automatic update for krb5-1.21.3-6.fc43.

 ##### **Changelog**

 ```
 * Wed Jun 4 2025 Julien Rische <[email protected]> - 1.21.3-6
 - Do not block HMAC-MD4/5 in FIPS mode Resolves: rhbz#2370259
 - PKINIT: implement paChecksum2 from MS-PKCA v20230920 Resolves: rhbz#2357215
 - Disallow RC4 HMAC-MD5 session keys by default (CVE-2025-3576) Resolves: rhbz#2359705

 ```

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-2025-1c915db8a5

Plugin Details

Severity: Medium

ID: 237911

File Name: fedora_2025-1c915db8a5.nasl

Version: 1.1

Type: local

Agent: unix

Published: 6/6/2025

Updated: 6/6/2025

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:43

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