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CVE-2022-42252
November 01, 2022
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 Packages
org.apache.tomcat.embed:tomcat-embed-core (JAVA):
Affected version(s) >=10.1.0-M1 <10.1.1
Fix Suggestion:
Update to version 10.1.1
org.apache.tomcat.embed:tomcat-embed-core (JAVA):
Affected version(s) >=10.0.0-M1 <10.0.27
Fix Suggestion:
Update to version 10.0.27
org.apache.tomcat:tomcat-coyote (JAVA):
Affected version(s) >=10.1.0-M1 <10.1.1
Fix Suggestion:
Update to version 10.1.1
org.apache.tomcat:tomcat-coyote (JAVA):
Affected version(s) >=10.0.0-M1 <10.0.27
Fix Suggestion:
Update to version 10.0.27
org.apache.tomcat.embed:tomcat-embed-core (JAVA):
Affected version(s) >=8.5.0 <8.5.83
Fix Suggestion:
Update to version 8.5.83
org.apache.tomcat.embed:tomcat-embed-core (JAVA):
Affected version(s) >=9.0.0.M1 <9.0.68
Fix Suggestion:
Update to version 9.0.68
org.apache.tomcat:tomcat-coyote (JAVA):
Affected version(s) >=9.0.0.M1 <9.0.68
Fix Suggestion:
Update to version 9.0.68
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CVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
HIGH
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Weakness Type (CWE)
Improper Input Validation
Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')
EPSS
Base Score:
0.16