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CentOS 7 : tomcat (CESA-2017:2247)

critical Nessus Plugin ID 102756

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Synopsis

The remote CentOS host is missing one or more security updates.

Description

An update for tomcat is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Low. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link (s) in the References section.

Apache Tomcat is a servlet container for the Java Servlet and JavaServer Pages (JSP) technologies.

The following packages have been upgraded to a later upstream version:
tomcat (7.0.76). (BZ#1414895)

Security Fix(es) :

* The Realm implementations did not process the supplied password if the supplied user name did not exist. This made a timing attack possible to determine valid user names. Note that the default configuration includes the LockOutRealm which makes exploitation of this vulnerability harder. (CVE-2016-0762)

* It was discovered that a malicious web application could bypass a configured SecurityManager via a Tomcat utility method that was accessible to web applications. (CVE-2016-5018)

* It was discovered that when a SecurityManager was configured, Tomcat's system property replacement feature for configuration files could be used by a malicious web application to bypass the SecurityManager and read system properties that should not be visible.
(CVE-2016-6794)

* It was discovered that a malicious web application could bypass a configured SecurityManager via manipulation of the configuration parameters for the JSP Servlet. (CVE-2016-6796)

* It was discovered that it was possible for a web application to access any global JNDI resource whether an explicit ResourceLink had been configured or not. (CVE-2016-6797)

Additional Changes :

For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.4 Release Notes linked from the References section.

Solution

Update the affected tomcat packages.

See Also

http://www.nessus.org/u?c0d60064

Plugin Details

Severity: Critical

ID: 102756

File Name: centos_RHSA-2017-2247.nasl

Version: 3.7

Type: local

Agent: unix

Published: 8/25/2017

Updated: 11/25/2025

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.0

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 5

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

CVSS Score Source: CVE-2016-5018

CVSS v3

Risk Factor: Critical

Base Score: 9.1

Temporal Score: 8.2

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

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:centos:centos:tomcat, cpe:/o:centos:centos:7, p-cpe:/a:centos:centos:tomcat-admin-webapps, p-cpe:/a:centos:centos:tomcat-jsp-2.2-api, p-cpe:/a:centos:centos:tomcat-servlet-3.0-api, p-cpe:/a:centos:centos:tomcat-docs-webapp, p-cpe:/a:centos:centos:tomcat-jsvc, p-cpe:/a:centos:centos:tomcat-javadoc, p-cpe:/a:centos:centos:tomcat-el-2.2-api, p-cpe:/a:centos:centos:tomcat-lib, p-cpe:/a:centos:centos:tomcat-webapps

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 8/23/2017

Vulnerability Publication Date: 8/10/2017

Reference Information

CVE: CVE-2016-0762, CVE-2016-5018, CVE-2016-6794, CVE-2016-6796, CVE-2016-6797

RHSA: 2017:2247