CVE-2022-42252

Summary

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.

Affected Software

VendorProductVersion RangeStatus
Apache Software FoundationApache Tomcat10.1.0-M1 <= 10.1.0affected
Apache Software FoundationApache Tomcat10.0.0-M1 <= 10.0.26affected
Apache Software FoundationApache Tomcat9.0.0-M1 <= 9.0.67affected
Apache Software FoundationApache Tomcat8.5.0 <= 8.5.82affected

Weaknesses

  • CWE-444: CWE-444 Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: yes
    • Technical Impact: partial

References