Debian dla-4265 : modsecurity-crs - security update

critical Nessus Plugin ID 246422

Synopsis

The remote Debian host is missing one or more security-related updates.

Description

The remote Debian 11 host has a package installed that is affected by multiple vulnerabilities as referenced in the dla-4265 advisory.

- ------------------------------------------------------------------------- Debian LTS Advisory DLA-4265-1 [email protected] https://www.debian.org/lts/security/ Adrian Bunk August 08, 2025 https://wiki.debian.org/LTS
- -------------------------------------------------------------------------

Package : modsecurity-crs Version : 3.3.4-1~deb11u1 CVE ID : CVE-2020-22669 CVE-2022-39955 CVE-2022-39956 CVE-2022-39957 CVE-2022-39958 Debian Bug : 1021137

Multiple issues have been fixed in modsecurity-crs, a set of generic attack detection rules for use with ModSecurity.

CVE-2020-22669

SQL injection bypass

CVE-2022-39955

Partial rule set bypass

CVE-2022-39956

Partial rule set bypass

CVE-2022-39957

Response body bypass

CVE-2022-39958

Response body bypass

For Debian 11 bullseye, these problems have been fixed in version 3.3.4-1~deb11u1.

We recommend that you upgrade your modsecurity-crs packages.

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

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 these issues but has instead relied only on the application's self-reported version number.

Solution

Upgrade the modsecurity-crs packages.

Plugin Details

Severity: Critical

ID: 246422

File Name: debian_DLA-4265.nasl

Version: 1.1

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 8/8/2025

Updated: 8/8/2025

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Nessus Agent, 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-2022-39956

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: cpe:/o:debian:debian_linux:11.0, p-cpe:/a:debian:debian_linux:modsecurity-crs

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: 8/8/2025

Vulnerability Publication Date: 9/2/2022

Reference Information

CVE: CVE-2020-22669, CVE-2022-39955, CVE-2022-39956, CVE-2022-39957, CVE-2022-39958

Detections

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