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Amazon Linux AMI: CVE-2020-1935: Security patch for tomcat7 ((Multiple Advisories))

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Amazon Linux AMI: CVE-2020-1935: Security patch for tomcat7 ((Multiple Advisories))

Severity
6
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:N)
Published
02/24/2020
Created
03/17/2020
Added
03/14/2020
Modified
01/15/2021

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)

  • amazon-linux-upgrade-tomcat7
  • amazon-linux-upgrade-tomcat8

References

  • ALAS-2021-1472
  • USN-4448-1
  • CVE-2020-1935

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