Vulnerability Description
If Apache Tomcat 8.5.0 to 8.5.82, 9.0.0-M1 to 9.0.67, 10.0.0-M1 to 10.0.26 or 10.1.0-M1 to 10.1.0 was configured to ignore invalid HTTP headers via setting rejectIllegalHeader to false (the default for 8.5.x only), Tomcat did not reject a request containing an invalid Content-Length header making a request smuggling attack possible if Tomcat was located behind a reverse proxy that also failed to reject the request with the invalid header.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apache | Tomcat | >= 8.5.0, < 8.5.83 |
Related Weaknesses (CWE)
References
- https://lists.apache.org/thread/zzcxzvqfdqn515zfs3dxb7n8gty589sqMailing ListVendor Advisory
- https://security.gentoo.org/glsa/202305-37
- https://lists.apache.org/thread/zzcxzvqfdqn515zfs3dxb7n8gty589sqMailing ListVendor Advisory
- https://security.gentoo.org/glsa/202305-37
FAQ
What is CVE-2022-42252?
CVE-2022-42252 is a vulnerability with a CVSS score of 7.5 (HIGH). If Apache Tomcat 8.5.0 to 8.5.82, 9.0.0-M1 to 9.0.67, 10.0.0-M1 to 10.0.26 or 10.1.0-M1 to 10.1.0 was configured to ignore invalid HTTP headers via setting rejectIllegalHeader to false (the default fo...
How severe is CVE-2022-42252?
CVE-2022-42252 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-2022-42252?
Check the references section above for vendor advisories and patch information. Affected products include: Apache Tomcat.