Detections
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Amazon Linux AMI : tomcat7 / tomcat8 (ALAS-2017-903)

medium Nessus Plugin ID 103600

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Synopsis

The remote Amazon Linux AMI host is missing a security update.

Description

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)

Solution

Run 'yum update tomcat7' to update your system.

Run 'yum update tomcat8' to update your system.

See Also

https://alas.aws.amazon.com/ALAS-2017-903.html

Plugin Details

Severity: Medium

ID: 103600

File Name: ala_ALAS-2017-903.nasl

Version: 3.3

Type: local

Agent: unix

Published: 10/3/2017

Updated: 4/18/2018

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 1.4

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N

CVSS v3

Risk Factor: Medium

Base Score: 4.3

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:tomcat8, p-cpe:/a:amazon:linux:tomcat7-docs-webapp, p-cpe:/a:amazon:linux:tomcat8-webapps, p-cpe:/a:amazon:linux:tomcat7-servlet-3.0-api, p-cpe:/a:amazon:linux:tomcat7, cpe:/o:amazon:linux, p-cpe:/a:amazon:linux:tomcat7-el-2.2-api, p-cpe:/a:amazon:linux:tomcat8-javadoc, p-cpe:/a:amazon:linux:tomcat8-log4j, p-cpe:/a:amazon:linux:tomcat7-jsp-2.2-api, p-cpe:/a:amazon:linux:tomcat8-jsp-2.3-api, p-cpe:/a:amazon:linux:tomcat7-log4j, p-cpe:/a:amazon:linux:tomcat7-lib, p-cpe:/a:amazon:linux:tomcat7-admin-webapps, p-cpe:/a:amazon:linux:tomcat7-javadoc, p-cpe:/a:amazon:linux:tomcat8-docs-webapp, p-cpe:/a:amazon:linux:tomcat8-servlet-3.1-api, p-cpe:/a:amazon:linux:tomcat8-admin-webapps, p-cpe:/a:amazon:linux:tomcat8-el-3.0-api, p-cpe:/a:amazon:linux:tomcat8-lib, p-cpe:/a:amazon:linux:tomcat7-webapps

Required KB Items: Host/AmazonLinux/rpm-list, Host/local_checks_enabled, Host/AmazonLinux/release

Patch Publication Date: 10/2/2017

Reference Information

CVE: CVE-2017-7674

ALAS: 2017-903