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.

References

https://github.com/SpiderLabs/ModSecurity/pull/2857/commits/4324f0ac59f8225aa44bc5034df60dbeccd1d334

https://github.com/SpiderLabs/ModSecurity/releases/tag/v2.9.7

https://github.com/SpiderLabs/ModSecurity/pull/2857

https://lists.debian.org/debian-lts-announce/2023/01/msg00023.html

https://lists.fedoraproject.org/archives/list/[email protected]/message/SYRTXTOQQI6SB2TLI5QXU76DURSLS4XI/

https://lists.fedoraproject.org/archives/list/[email protected]/message/WCH6JM4I4MD4YABYFHSBDDOUFDGIFJKL/

https://lists.fedoraproject.org/archives/list/[email protected]/message/52TGCZCOHYBDCVWJYNN2PS4QLOHCXWTQ/

Details