CVE-2023-38199
Last modified
CVE-2023-38199 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. coreruleset (aka OWASP ModSecurity Core Rule Set) through 3.3.4 does not detect multiple Content-Type request headers on some platforms. This might allow attackers to bypass a WAF with a crafted payload, aka "Content-Type confusion" between the WAF and the backend application. EPSS estimates a 0.63% chance of exploitation in the next 30 days.
Description
coreruleset (aka OWASP ModSecurity Core Rule Set) through 3.3.4 does not detect multiple Content-Type request headers on some platforms. This might allow attackers to bypass a WAF with a crafted payload, aka "Content-Type confusion" between the WAF and the backend application. This occurs when the web application relies on only the last Content-Type header. Other platforms may reject the additional Content-Type header or merge conflicting headers, leading to detection as a malformed header.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Owasp | Coreruleset | <= 3.3.4 |
References
- https://github.com/coreruleset/coreruleset/issues/3191Issue Tracking, Patch
- https://github.com/coreruleset/coreruleset/pull/3237Issue Tracking
- https://github.com/coreruleset/coreruleset/issues/3191Issue Tracking, Patch
- https://github.com/coreruleset/coreruleset/pull/3237Issue Tracking
Timeline
- Published
- Last Modified
- Status
- Modified
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