Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Trustwave | Modsecurity | < 2.9.7 |
| Debian | Debian Linux | 10.0 |
Related Weaknesses (CWE)
References
- https://github.com/SpiderLabs/ModSecurity/pull/2857Issue TrackingPatch
- https://github.com/SpiderLabs/ModSecurity/pull/2857/commits/4324f0ac59f8225aa44bPatch
- https://github.com/SpiderLabs/ModSecurity/releases/tag/v2.9.7Release Notes
- https://lists.debian.org/debian-lts-announce/2023/01/msg00023.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://github.com/SpiderLabs/ModSecurity/pull/2857Issue TrackingPatch
- https://github.com/SpiderLabs/ModSecurity/pull/2857/commits/4324f0ac59f8225aa44bPatch
- https://github.com/SpiderLabs/ModSecurity/releases/tag/v2.9.7Release Notes
- https://lists.debian.org/debian-lts-announce/2023/01/msg00023.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
FAQ
What is CVE-2023-24021?
CVE-2023-24021 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 ...
How severe is CVE-2023-24021?
CVE-2023-24021 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-24021?
Check the references section above for vendor advisories and patch information. Affected products include: Trustwave Modsecurity, Debian Debian Linux.