Important: tomcat7

Issue Overview:

Security 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)

Affected Packages:

tomcat7

Issue Correction:
Run yum update tomcat7 to update your system.

New Packages:

noarch:  
    tomcat7-webapps-7.0.78-1.27.amzn1.noarch  
    tomcat7-lib-7.0.78-1.27.amzn1.noarch  
    tomcat7-javadoc-7.0.78-1.27.amzn1.noarch  
    tomcat7-log4j-7.0.78-1.27.amzn1.noarch  
    tomcat7-docs-webapp-7.0.78-1.27.amzn1.noarch  
    tomcat7-jsp-2.2-api-7.0.78-1.27.amzn1.noarch  
    tomcat7-servlet-3.0-api-7.0.78-1.27.amzn1.noarch  
    tomcat7-7.0.78-1.27.amzn1.noarch  
    tomcat7-admin-webapps-7.0.78-1.27.amzn1.noarch  
    tomcat7-el-2.2-api-7.0.78-1.27.amzn1.noarch  
  
src:  
    tomcat7-7.0.78-1.27.amzn1.src  

Additional References

Red Hat: CVE-2017-5664

Mitre: CVE-2017-5664