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Debian DLA-1108-1 : tomcat7 security update

high Nessus Plugin ID 103430

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Synopsis

The remote Debian host is missing a security update.

Description

The Tomcat security team discovered that when using a VirtualDirContext it was possible to bypass security constraints and/or view the source code of JSPs for resources served by the VirtualDirContext using a specially crafted request.

For Debian 7 'Wheezy', these problems have been fixed in version 7.0.28-4+deb7u15.

We recommend that you upgrade your tomcat7 packages.

NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Upgrade the affected packages.

See Also

https://lists.debian.org/debian-lts-announce/2017/09/msg00025.html

https://packages.debian.org/source/wheezy/tomcat7

Plugin Details

Severity: High

ID: 103430

File Name: debian_DLA-1108.nasl

Version: 3.11

Type: local

Agent: unix

Published: 9/25/2017

Updated: 1/11/2021

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.1

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 4.1

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

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 7

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

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:tomcat7-user, p-cpe:/a:debian:debian_linux:tomcat7-examples, p-cpe:/a:debian:debian_linux:libtomcat7-java, cpe:/o:debian:debian_linux:7.0, p-cpe:/a:debian:debian_linux:tomcat7-admin, p-cpe:/a:debian:debian_linux:tomcat7-docs, p-cpe:/a:debian:debian_linux:tomcat7, p-cpe:/a:debian:debian_linux:libservlet3.0-java, p-cpe:/a:debian:debian_linux:tomcat7-common, p-cpe:/a:debian:debian_linux:libservlet3.0-java-doc

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/24/2017

Vulnerability Publication Date: 9/19/2017

Exploitable With

Elliot (Apache Tomcat VirtualDirContext Class File Handling Remote JSP Source Code Disclosure)

Reference Information

CVE: CVE-2017-12616