Amazon Linux AMI : tomcat8 (ALAS-2017-862)
Medium Nessus Plugin ID 102177
SynopsisThe remote Amazon Linux AMI host is missing a security update.
DescriptionSecurity constrained bypass in error page mechanism :
A vulnerability was discovered in the error page mechanism in Tomcat's DefaultServlet implementation. A crafted HTTP request could cause undesired side effects, possibly including the removal or replacement of the custom error page. (CVE-2017-5664)
The CORS Filter in Apache Tomcat 9.0.0.M1 to 9.0.0.M21, 8.5.0 to 8.5.15, 8.0.0.RC1 to 8.0.44 and 7.0.41 to 7.0.78 did not add an HTTP Vary header indicating that the response varies depending on Origin.
This permitted client and server side cache poisoning in some circumstances. (CVE-2017-7674)
SolutionRun 'yum update tomcat8' to update your system.