VULNERABILITY

Apache Tomcat: Low: HTTP Request Smuggling (CVE-2020-1935)

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Apache Tomcat: Low: HTTP Request Smuggling (CVE-2020-1935)

Severity
6
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:N)
Published
02/24/2020
Created
02/25/2020
Added
02/24/2020
Modified
11/26/2024

Description

In Apache Tomcat 9.0.0.M1 to 9.0.30, 8.5.0 to 8.5.50 and 7.0.0 to 7.0.99 the HTTP header parsing code used an approach to end-of-line parsing that allowed some invalid HTTP headers to be parsed as valid. This led to a possibility of HTTP Request Smuggling if Tomcat was located behind a reverse proxy that incorrectly handled the invalid Transfer-Encoding header in a particular manner. Such a reverse proxy is considered unlikely.

Solution(s)

  • apache-tomcat-upgrade-7_0_100
  • apache-tomcat-upgrade-8_5_51
  • apache-tomcat-upgrade-9_0_31

References

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