ALAS-2017-903


Amazon Linux AMI Security Advisory: ALAS-2017-903
Advisory Release Date: 2017-10-02 21:44 Pacific
Severity: Medium
References: CVE-2017-7674 

Issue Overview:

1480618:
Vary header not added by CORS filter leading to cache poisoning

The CORS Filter in Apache Tomcat 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 )


Affected Packages:

tomcat7,tomcat8


Issue Correction:
Run yum update tomcat7 to update your system.
Run yum update tomcat8 to update your system.

New Packages:
noarch:
    tomcat7-7.0.81-1.29.amzn1.noarch
    tomcat7-lib-7.0.81-1.29.amzn1.noarch
    tomcat7-webapps-7.0.81-1.29.amzn1.noarch
    tomcat7-javadoc-7.0.81-1.29.amzn1.noarch
    tomcat7-servlet-3.0-api-7.0.81-1.29.amzn1.noarch
    tomcat7-docs-webapp-7.0.81-1.29.amzn1.noarch
    tomcat7-log4j-7.0.81-1.29.amzn1.noarch
    tomcat7-el-2.2-api-7.0.81-1.29.amzn1.noarch
    tomcat7-jsp-2.2-api-7.0.81-1.29.amzn1.noarch
    tomcat7-admin-webapps-7.0.81-1.29.amzn1.noarch
    tomcat8-servlet-3.1-api-8.0.46-1.76.amzn1.noarch
    tomcat8-docs-webapp-8.0.46-1.76.amzn1.noarch
    tomcat8-el-3.0-api-8.0.46-1.76.amzn1.noarch
    tomcat8-log4j-8.0.46-1.76.amzn1.noarch
    tomcat8-webapps-8.0.46-1.76.amzn1.noarch
    tomcat8-8.0.46-1.76.amzn1.noarch
    tomcat8-admin-webapps-8.0.46-1.76.amzn1.noarch
    tomcat8-javadoc-8.0.46-1.76.amzn1.noarch
    tomcat8-jsp-2.3-api-8.0.46-1.76.amzn1.noarch
    tomcat8-lib-8.0.46-1.76.amzn1.noarch

src:
    tomcat7-7.0.81-1.29.amzn1.src
    tomcat8-8.0.46-1.76.amzn1.src