CVE-2023-24021

2023-01-2019:15:18

Debian Security Bug Tracker

security-tracker.debian.org

modsecurity

file uploads

web application firewall

buffer over-reads

security vulnerability

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

0.002 Low

EPSS

Percentile

61.0%

JSON

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.

OSVersionArchitecturePackageVersionFilename
Debian12allmodsecurity-apache< 2.9.7-1modsecurity-apache_2.9.7-1_all.deb
Debian11allmodsecurity-apache< 2.9.3-3+deb11u2modsecurity-apache_2.9.3-3+deb11u2_all.deb
Debian999allmodsecurity-apache< 2.9.7-1modsecurity-apache_2.9.7-1_all.deb
Debian13allmodsecurity-apache< 2.9.7-1modsecurity-apache_2.9.7-1_all.deb

OS	Version	Architecture	Package	Version	Filename
Debian	12	all	modsecurity-apache	< 2.9.7-1	modsecurity-apache_2.9.7-1_all.deb
Debian	11	all	modsecurity-apache	< 2.9.3-3+deb11u2	modsecurity-apache_2.9.3-3+deb11u2_all.deb
Debian	999	all	modsecurity-apache	< 2.9.7-1	modsecurity-apache_2.9.7-1_all.deb
Debian	13	all	modsecurity-apache	< 2.9.7-1	modsecurity-apache_2.9.7-1_all.deb