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Apache Tomcat 9.0.0.M1 < 9.0.5 Insecure CGI Servlet Search Algorithm Description Weakness

medium Nessus Plugin ID 106978

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Synopsis

The remote Apache Tomcat server is affected by multiple vulnerabilities

Description

The version of Apache Tomcat installed on the remote host is 9.0.x prior to 9.0.5. It is, therefore, affected by a security constraints flaw which could expose resources to unauthorized users.); # http://tomcat.apache.org/security-9.html#Fixed_in_Apache_Tomcat_9.0.5 script_set_attribute(attribute:see_also, value:http://www.nessus.org/u?909ff130

 - The URL pattern of (the empty string) which exactly maps to the context root was not correctly handled in Apache Tomcat 9.0.0.M1 to 9.0.4, 8.5.0 to 8.5.27, 8.0.0.RC1 to 8.0.49 and 7.0.0 to 7.0.84 when used as part of a security constraint definition. This caused the constraint to be ignored. It was, therefore, possible for unauthorised users to gain access to web application resources that should have been protected. Only security constraints with a URL pattern of the empty string were affected. (CVE-2018-1304)

 - Security constraints defined by annotations of Servlets in Apache Tomcat 9.0.0.M1 to 9.0.4, 8.5.0 to 8.5.27, 8.0.0.RC1 to 8.0.49 and 7.0.0 to 7.0.84 were only applied once a Servlet had been loaded. Because security constraints defined in this way apply to the URL pattern and any URLs below that point, it was possible - depending on the order Servlets were loaded - for some security constraints not to be applied.
 This could have exposed resources to users who were not authorised to access them. (CVE-2018-1305)

Solution

Upgrade to Apache Tomcat version 9.0.5 or later.

See Also

https://svn.apache.org/viewvc?view=rev&rev=1823310

https://svn.apache.org/viewvc?view=rev&rev=1824323

https://svn.apache.org/viewvc?view=rev&rev=1823306

https://bz.apache.org/bugzilla/show_bug.cgi?id=62067

https://tomcat.apache.org/security-9.html#Fixed_in_Apache_Tomcat_9.0.5

Plugin Details

Severity: Medium

ID: 106978

File Name: tomcat_9_0_5.nasl

Version: 1.12

Type: combined

Agent: windows, macosx, unix

Family: Web Servers

Published: 2/23/2018

Updated: 3/21/2023

Configuration: Enable thorough checks

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

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

CVSS Score Source: CVE-2018-1304

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

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

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

CVSS Score Source: CVE-2018-1305

Vulnerability Information

CPE: cpe:/a:apache:tomcat

Required KB Items: installed_sw/Apache Tomcat

Exploit Ease: No known exploits are available

Patch Publication Date: 2/11/2018

Vulnerability Publication Date: 2/23/2018

Reference Information

CVE: CVE-2018-1304, CVE-2018-1305