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Debian dla-4308 : corosync - security update

critical Nessus Plugin ID 265708

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Synopsis

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

Description

The remote Debian 11 host has packages installed that are affected by a vulnerability as referenced in the dla-4308 advisory.

 - ------------------------------------------------------------------------- Debian LTS Advisory DLA-4308-1 [email protected] https://www.debian.org/lts/security/ Thorsten Alteholz September 22, 2025 https://wiki.debian.org/LTS
 - -------------------------------------------------------------------------

 Package : corosync Version : 3.1.2-2+deb11u1 CVE ID : CVE-2025-30472


 An issue has been found in corosync, a cluster engine daemon and utilities. A stack-based buffer overflow may happen when encryption is disabled or the attacker knows the encryption key and a large crafted UDP packet has to be processed.



 For Debian 11 bullseye, this problem has been fixed in version 3.1.2-2+deb11u1.

 We recommend that you upgrade your corosync packages.

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

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

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 corosync packages.

See Also

https://security-tracker.debian.org/tracker/source-package/corosync

https://security-tracker.debian.org/tracker/CVE-2025-30472

https://packages.debian.org/source/bullseye/corosync

Plugin Details

Severity: Critical

ID: 265708

File Name: debian_DLA-4308.nasl

Version: 1.1

Type: local

Agent: unix

Published: 9/22/2025

Updated: 9/22/2025

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.8

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

CVSS Score Source: CVE-2025-30472

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

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

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:libcfg7, p-cpe:/a:debian:debian_linux:libvotequorum8, p-cpe:/a:debian:debian_linux:libcorosync-common4, p-cpe:/a:debian:debian_linux:libsam4, cpe:/o:debian:debian_linux:11.0, p-cpe:/a:debian:debian_linux:libquorum5, p-cpe:/a:debian:debian_linux:corosync-doc, p-cpe:/a:debian:debian_linux:corosync-vqsim, p-cpe:/a:debian:debian_linux:libsam-dev, p-cpe:/a:debian:debian_linux:libvotequorum-dev, p-cpe:/a:debian:debian_linux:libcfg-dev, p-cpe:/a:debian:debian_linux:libquorum-dev, p-cpe:/a:debian:debian_linux:libcpg-dev, p-cpe:/a:debian:debian_linux:corosync, p-cpe:/a:debian:debian_linux:libcorosync-common-dev, p-cpe:/a:debian:debian_linux:libcmap4, p-cpe:/a:debian:debian_linux:libcpg4, p-cpe:/a:debian:debian_linux:libcmap-dev, p-cpe:/a:debian:debian_linux:corosync-notifyd

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/22/2025

Vulnerability Publication Date: 3/22/2025

Reference Information

CVE: CVE-2025-30472