Vulnerability in Trustwave Modsecurity
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.009 (59.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 59.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- Trustwave Modsecurity
- Debian Linux — versions 10.0
Weakness classification (CWE)
References
- github.com/SpiderLabs/ModSecurity/releases/tag/v2.9.7 (Release Notes)
- github.com/SpiderLabs/ModSecurity/pull/2857 (Patch, Issue Tracking)
- github.com/SpiderLabs/ModSecurity/pull/2857/commits/4324f0ac59f8225aa44bc5034df… (Patch)
- lists.debian.org/debian-lts-announce/2023/01/msg00023.html (mailing-list, Mailing List, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
Frequently asked questions
- What is CVE-2023-24021?
- CVE-2023-24021 is a high-severity vulnerability in Trustwave Modsecurity, classified under Improper Null Termination. CVSS score: 7.5/10. Published 2023-01-20.
- How severe is CVE-2023-24021?
- High severity. CVSS v3 base score is 7.5 out of 10.