CVE-2023-24021

high

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

Advisories
More

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WCH6JM4I4MD4YABYFHSBDDOUFDGIFJKL/

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/52TGCZCOHYBDCVWJYNN2PS4QLOHCXWTQ/

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

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

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

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

Details

Source: Mitre, NVD

Published: 2023-01-20

Updated: 2025-04-02

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:C/A:N

Severity: High

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N