Amazon Linux AMI : tomcat8 (ALAS-2016-679)

Medium Nessus Plugin ID 90272

Synopsis

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

Description

ResourceLinkFactory.setGlobalContext() is a public method and was discovered to be accessible by web applications running under a security manager without any checks. This allowed a malicious web application to inject a malicious global context that could in turn be used to disrupt other web applications and/or read and write data owned by other web applications. (CVE-2016-0763)

A session fixation vulnerability was discovered that might allow remote attackers to hijack web sessions by leveraging use of a requestedSessionSSL field for an unintended request when different session settings are used for deployments of multiple versions of the same web application. (CVE-2015-5346)

The Manager and Host Manager applications were discovered to establish sessions and send CSRF tokens for arbitrary new requests, which allows remote attackers to bypass a CSRF protection mechanism by using a token. (CVE-2015-5351)

The session-persistence implementation was discovered to mishandle session attributes, which allows remote authenticated users to bypass intended SecurityManager restrictions and execute arbitrary code in a privileged context via a web application that places a crafted object in a session. (CVE-2016-0714)

It was discovered that org.apache.catalina.manager.StatusManagerServlet was not placed on the org/apache/catalina/core/RestrictedServlets.properties list, which allows remote authenticated users to bypass intended SecurityManager restrictions and read arbitrary HTTP requests, and consequently discover session ID values, via a crafted web application.
(CVE-2016-0706)

Solution

Run 'yum update tomcat8' to update your system.

See Also

https://alas.aws.amazon.com/ALAS-2016-679.html

Plugin Details

Severity: Medium

ID: 90272

File Name: ala_ALAS-2016-679.nasl

Version: 2.8

Type: local

Agent: unix

Published: 2016/04/01

Updated: 2018/04/18

Dependencies: 12634

Risk Information

Risk Factor: Medium

CVSS v2.0

Base Score: 6.8

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

CVSS v3.0

Base Score: 8.8

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

Vulnerability Information

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

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

Patch Publication Date: 2016/03/29

Reference Information

CVE: CVE-2015-5346, CVE-2015-5351, CVE-2016-0706, CVE-2016-0714, CVE-2016-0763

ALAS: 2016-679