CVE-2023-24021

Name	CVE-2023-24021
Description	Incorrect handling of '\0' bytes in file uploads in ModSecurity before 2.9.7 may allow for Web Application Firewall bypasses and buffer over-reads on the Web Application Firewall when executing rules that read the FILES_TMP_CONTENT collection.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DLA-3283-1
Debian Bugs	1029329

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
modsecurity-apache (PTS)	bookworm	2.9.7-1+deb12u2	fixed
	bookworm (security)	2.9.7-1+deb12u1	fixed
	trixie	2.9.11-1+deb13u1	fixed
	forky, sid	2.9.13-1	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Origin	Debian Bugs
modsecurity-apache	source	buster	2.9.3-1+deb10u2	DLA-3283-1
modsecurity-apache	source	bullseye	2.9.3-3+deb11u2
modsecurity-apache	source	(unstable)	2.9.7-1		1029329

Notes

https://github.com/SpiderLabs/ModSecurity/pull/2857
https://github.com/SpiderLabs/ModSecurity/commit/4324f0ac59f8225aa44bc5034df60dbeccd1d334 (v2.9.7)