#VU72086 Buffer overflow in ModSecurity - CVE-2023-24021

 

#VU72086 Buffer overflow in ModSecurity - CVE-2023-24021

Published: February 9, 2023


Vulnerability identifier: #VU72086
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2023-24021
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
ModSecurity
Software vendor:
Trustwave

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when executing rules that read the FILES_TMP_CONTENT collection. A remote attacker can upload a specially crafted file on the system, trigger memory corruption and execute arbitrary code on the target system or bypass implemented WAF protection rules.


Remediation

Install updates from vendor's website.

External links