CVE Vulnerabilities

CVE-2016-8735

Improper Access Control

Published: Apr 06, 2017 | Modified: Dec 08, 2023
CVSS 3.x
9.8
CRITICAL
Source:
NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
7.5 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P
RedHat/V2
RedHat/V3
Ubuntu

Remote code execution is possible with Apache Tomcat before 6.0.48, 7.x before 7.0.73, 8.x before 8.0.39, 8.5.x before 8.5.7, and 9.x before 9.0.0.M12 if JmxRemoteLifecycleListener is used and an attacker can reach JMX ports. The issue exists because this listener wasnt updated for consistency with the CVE-2016-3427 Oracle patch that affected credential types.

Weakness

The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

Affected Software

Name Vendor Start Version End Version
Tomcat Apache 6.0.0 (including) 6.0.0 (including)
Tomcat Apache 6.0.1 (including) 6.0.1 (including)
Tomcat Apache 6.0.2 (including) 6.0.2 (including)
Tomcat Apache 6.0.3 (including) 6.0.3 (including)
Tomcat Apache 6.0.4 (including) 6.0.4 (including)
Tomcat Apache 6.0.5 (including) 6.0.5 (including)
Tomcat Apache 6.0.6 (including) 6.0.6 (including)
Tomcat Apache 6.0.7 (including) 6.0.7 (including)
Tomcat Apache 6.0.8 (including) 6.0.8 (including)
Tomcat Apache 6.0.9 (including) 6.0.9 (including)
Tomcat Apache 6.0.10 (including) 6.0.10 (including)
Tomcat Apache 6.0.11 (including) 6.0.11 (including)
Tomcat Apache 6.0.12 (including) 6.0.12 (including)
Tomcat Apache 6.0.13 (including) 6.0.13 (including)
Tomcat Apache 6.0.14 (including) 6.0.14 (including)
Tomcat Apache 6.0.15 (including) 6.0.15 (including)
Tomcat Apache 6.0.16 (including) 6.0.16 (including)
Tomcat Apache 6.0.17 (including) 6.0.17 (including)
Tomcat Apache 6.0.18 (including) 6.0.18 (including)
Tomcat Apache 6.0.19 (including) 6.0.19 (including)
Tomcat Apache 6.0.20 (including) 6.0.20 (including)
Tomcat Apache 6.0.21 (including) 6.0.21 (including)
Tomcat Apache 6.0.22 (including) 6.0.22 (including)
Tomcat Apache 6.0.23 (including) 6.0.23 (including)
Tomcat Apache 6.0.24 (including) 6.0.24 (including)
Tomcat Apache 6.0.25 (including) 6.0.25 (including)
Tomcat Apache 6.0.26 (including) 6.0.26 (including)
Tomcat Apache 6.0.27 (including) 6.0.27 (including)
Tomcat Apache 6.0.28 (including) 6.0.28 (including)
Tomcat Apache 6.0.29 (including) 6.0.29 (including)
Tomcat Apache 6.0.30 (including) 6.0.30 (including)
Tomcat Apache 6.0.31 (including) 6.0.31 (including)
Tomcat Apache 6.0.32 (including) 6.0.32 (including)
Tomcat Apache 6.0.33 (including) 6.0.33 (including)
Tomcat Apache 6.0.34 (including) 6.0.34 (including)
Tomcat Apache 6.0.35 (including) 6.0.35 (including)
Tomcat Apache 6.0.36 (including) 6.0.36 (including)
Tomcat Apache 6.0.37 (including) 6.0.37 (including)
Tomcat Apache 6.0.38 (including) 6.0.38 (including)
Tomcat Apache 6.0.39 (including) 6.0.39 (including)
Tomcat Apache 6.0.40 (including) 6.0.40 (including)
Tomcat Apache 6.0.41 (including) 6.0.41 (including)
Tomcat Apache 6.0.42 (including) 6.0.42 (including)
Tomcat Apache 6.0.43 (including) 6.0.43 (including)
Tomcat Apache 6.0.44 (including) 6.0.44 (including)
Tomcat Apache 6.0.45 (including) 6.0.45 (including)
Tomcat Apache 6.0.46 (including) 6.0.46 (including)
Tomcat Apache 6.0.47 (including) 6.0.47 (including)

Extended Description

Access control involves the use of several protection mechanisms such as:

When any mechanism is not applied or otherwise fails, attackers can compromise the security of the product by gaining privileges, reading sensitive information, executing commands, evading detection, etc. There are two distinct behaviors that can introduce access control weaknesses:

Potential Mitigations

  • Compartmentalize the system to have “safe” areas where trust boundaries can be unambiguously drawn. Do not allow sensitive data to go outside of the trust boundary and always be careful when interfacing with a compartment outside of the safe area.
  • Ensure that appropriate compartmentalization is built into the system design, and the compartmentalization allows for and reinforces privilege separation functionality. Architects and designers should rely on the principle of least privilege to decide the appropriate time to use privileges and the time to drop privileges.

References