CVE-2023-24021

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
mitreCNA
---
---
CVEADP
---
---
CISA-ADPADP
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 25%
VendorProductVersion
trustwavemodsecurity
𝑥
< 2.9.7
debiandebian_linux
10.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
modsecurity-apache
bullseye
2.9.3-3+deb11u2
fixed
bullseye (security)
vulnerable
bookworm
2.9.7-1
fixed
trixie
2.9.8-1
fixed
sid
2.9.8-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
modsecurity-apache
mantic
not-affected
lunar
not-affected
kinetic
ignored
jammy
Fixed 2.9.5-1ubuntu0.1~esm1
released
focal
Fixed 2.9.3-1ubuntu0.1
released
bionic
Fixed 2.9.2-1ubuntu0.1~esm1
released
xenial
Fixed 2.9.0-1ubuntu0.1~esm1
released
trusty
not-affected
Common Weakness Enumeration
References
https://github.com/SpiderLabs/ModSecurity/pull/2857
https://github.com/SpiderLabs/ModSecurity/pull/2857/commits/4324f0ac59f8225aa44bc5034df60dbeccd1d334
https://github.com/SpiderLabs/ModSecurity/releases/tag/v2.9.7
https://lists.debian.org/debian-lts-announce/2023/01/msg00023.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/52TGCZCOHYBDCVWJYNN2PS4QLOHCXWTQ/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SYRTXTOQQI6SB2TLI5QXU76DURSLS4XI/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WCH6JM4I4MD4YABYFHSBDDOUFDGIFJKL/
https://github.com/SpiderLabs/ModSecurity/pull/2857
https://github.com/SpiderLabs/ModSecurity/pull/2857/commits/4324f0ac59f8225aa44bc5034df60dbeccd1d334
https://github.com/SpiderLabs/ModSecurity/releases/tag/v2.9.7
https://lists.debian.org/debian-lts-announce/2023/01/msg00023.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/52TGCZCOHYBDCVWJYNN2PS4QLOHCXWTQ/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SYRTXTOQQI6SB2TLI5QXU76DURSLS4XI/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WCH6JM4I4MD4YABYFHSBDDOUFDGIFJKL/