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Debian dla-4294 : libapache2-mod-security2 - security update

medium Nessus Plugin ID 261662

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Synopsis

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

Description

The remote Debian 11 host has a package installed that is affected by a vulnerability as referenced in the dla-4294 advisory.

 - ------------------------------------------------------------------------- Debian LTS Advisory DLA-4294-1 [email protected] https://www.debian.org/lts/security/ Adrian Bunk September 07, 2025 https://wiki.debian.org/LTS
 - -------------------------------------------------------------------------

 Package : modsecurity-apache Version : 2.9.3-3+deb11u5 CVE ID : CVE-2025-54571 Debian Bug : 1110480

 Cross-site scripting due to insufficient return value handling has been fixed in modsecurity-apache, a module for the Apache webserver to tighten Web application security.

 For Debian 11 bullseye, this problem has been fixed in version 2.9.3-3+deb11u5.

 We recommend that you upgrade your modsecurity-apache packages.

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

 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 libapache2-mod-security2 packages.

See Also

http://www.nessus.org/u?b86f5745

https://security-tracker.debian.org/tracker/CVE-2025-54571

https://packages.debian.org/source/bullseye/modsecurity-apache

Plugin Details

Severity: Medium

ID: 261662

File Name: debian_DLA-4294.nasl

Version: 1.1

Type: local

Agent: unix

Published: 9/7/2025

Updated: 9/7/2025

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

Risk Information

VPR

Risk Factor: Low

Score: 1.4

CVSS v2

Risk Factor: Medium

Base Score: 5.8

Temporal Score: 4.3

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

CVSS Score Source: CVE-2025-54571

CVSS v3

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 5.3

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

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

CVSS v4

Risk Factor: Medium

Base Score: 6.9

Threat Score: 2.7

Threat Vector: CVSS:4.0/E:U

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

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:11.0, p-cpe:/a:debian:debian_linux:libapache2-mod-security2

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

Exploit Ease: No known exploits are available

Patch Publication Date: 9/7/2025

Vulnerability Publication Date: 8/5/2025

Reference Information

CVE: CVE-2025-54571