Debian dsa-6069 : openvpn - security update

high Nessus Plugin ID 277384

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Synopsis

The remote Debian host is missing a security-related update.

Description

The remote Debian 12 / 13 host has a package installed that is affected by a vulnerability as referenced in the dsa-6069 advisory.

- ------------------------------------------------------------------------- Debian Security Advisory DSA-6069-1 [email protected] https://www.debian.org/security/ Salvatore Bonaccorso December 03, 2025 https://www.debian.org/security/faq
- -------------------------------------------------------------------------

Package : openvpn CVE ID : CVE-2025-13086 Debian Bug : 1121086

It was discovered that openvpn, a virtual private network application, does not properly handle HMAC verification checks. A remote attacker can take advantage of this flaw to bypass source IP address validation.

For the oldstable distribution (bookworm), this problem has been fixed in version 2.6.3-1+deb12u4.

For the stable distribution (trixie), this problem has been fixed in version 2.6.14-1+deb13u1.

We recommend that you upgrade your openvpn packages.

For the detailed security status of openvpn please refer to its security tracker page at:
https://security-tracker.debian.org/tracker/openvpn

Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: https://www.debian.org/security/

Mailing list: [email protected]

Tenable has extracted the preceding description block directly from the Debian 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

Upgrade the openvpn packages.

Plugin Details

Severity: High

ID: 277384

File Name: debian_DSA-6069.nasl

Version: 1.1

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 12/4/2025

Updated: 12/4/2025

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2025-13086

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

CVSS v4

Risk Factor: High

Base Score: 8.2

Threat Score: 4.6

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:13.0, cpe:/o:debian:debian_linux:12.0, p-cpe:/a:debian:debian_linux:openvpn

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 12/3/2025

Vulnerability Publication Date: 11/17/2025

Reference Information

CVE: CVE-2025-13086

Detections

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