Debian DSA-4765-1 : modsecurity - security update

high Nessus Plugin ID 140667

Synopsis

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

Description

Ervin Hegedues discovered that ModSecurity v3 enabled global regular expression matching which could result in denial of service. For additional information please refer to https://coreruleset.org/20200914/cve-2020-15598/

Solution

Upgrade the modsecurity packages.

For the stable distribution (buster), this problem has been fixed in version 3.0.3-1+deb10u2.

See Also

https://coreruleset.org/20200914/cve-2020-15598/

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

https://www.debian.org/security/2020/dsa-4765

Plugin Details

Severity: High

ID: 140667

File Name: debian_DSA-4765.nasl

Version: 1.4

Type: local

Agent: unix

Published: 9/21/2020

Updated: 2/20/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.9

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

CVSS Score Source: CVE-2020-15598

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

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:P/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:modsecurity, cpe:/o:debian:debian_linux:10.0

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: 9/18/2020

Vulnerability Publication Date: 10/6/2020

Reference Information

CVE: CVE-2020-15598

DSA: 4765