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medium5.3

CVE-2021-33037

Apache Tomcat 10.0.0-M1 to 10.0.6, 9.0.0.M1 to 9.0.46 and 8.5.0 to 8.5.66 did not correctly parse the HTTP transfer-encoding request header in some circumstanc…

Impact

Apache Tomcat 10.0.0-M1 to 10.0.6, 9.0.0.M1 to 9.0.46 and 8.5.0 to 8.5.66 did not correctly parse the HTTP transfer-encoding request header in some circumstances leading to the possibility to request smuggling when used with a reverse proxy. Specifically: - Tomcat incorrectly ignored the transfer encoding header if the client declared it would only accept an HTTP/1.0 response; - Tomcat honoured the identify encoding; and - Tomcat did not ensure that, if present, the chunked encoding was the final encoding.

Affected products

VendorProductAffected versions
ApacheTomcat
from 8.5.0 through 8.5.66
after 9.0.0 through 9.0.46
after 10.0.0 through 10.0.6
ApacheTomee
Version 8.0.6
DebianDebian Linux
Versions 9.0, 10.0
OracleAgile Product Lifecycle Management
Version 9.3.6
OracleCommunications Cloud Native Core Policy
Version 1.14.0
OracleCommunications Cloud Native Core Service Communication Proxy
Version 1.14.0
OracleCommunications Diameter Signaling Router
from 8.0.0.0 through 8.5.0.2
OracleCommunications Instant Messaging Server
Version 10.0.1.5.0
OracleCommunications Policy Management
Version 12.5.0
OracleCommunications Pricing Design Center
Version 12.0.0.3.0
OracleCommunications Session Report Manager
from 8.0.0 through 8.2.4.0
OracleCommunications Session Route Manager
from 8.0.0 through 8.2.4

Weakness classification

CWE-444

References