Multiple Jenkins Plugins Multiple Security Vulnerabilities

Risk

High

Date Discovered

November 21, 2019

Description

Jenkins plugins are prone to the following vulnerabilities: 1. Multiple information disclosure vulnerabilities. 2. A cross-site request forgery vulnerability. 3. Multiple security-bypass vulnerabilities. 4. An unauthorized access vulnerability. An attacker may leverage these issues to gain access to sensitive information, bypass certain security restrictions and perform unauthorized actions, and gain unauthorized access to the affected application. This may aid in further attacks. The following Jenkins plugins are affected: Anchore Container Image Scanner plugin version 1.0.19 and prior are vulnerable Google Compute Engine plugin version 4.1.1 and prior are vulnerable JIRA plugin version 3.0.10 and prior are vulnerable QMetry for JIRA - Test Management plugin version 1.12 and prior are vulnerable QMetry for JIRA - Test Management plugin version 1.13 and prior are vulnerable Script Security plugin version 1.67 and prior are vulnerable Spira Importer plugin version 3.2.2 and prior are vulnerable Support Core plugin version 2.63 and prior are vulnerable

Technologies Affected

  • Jenkins Anchore Container Image Scanner 1.0.19
  • Jenkins Google Compute Engine 4.1.1
  • Jenkins JIRA 3.0.10
  • Jenkins QMetry for JIRA - Test Management
  • Jenkins Script Security 1.0
  • Jenkins Script Security 1.1
  • Jenkins Script Security 1.10
  • Jenkins Script Security 1.11
  • Jenkins Script Security 1.12
  • Jenkins Script Security 1.13
  • Jenkins Script Security 1.14
  • Jenkins Script Security 1.15
  • Jenkins Script Security 1.16
  • Jenkins Script Security 1.17
  • Jenkins Script Security 1.18
  • Jenkins Script Security 1.19
  • Jenkins Script Security 1.2
  • Jenkins Script Security 1.20
  • Jenkins Script Security 1.21
  • Jenkins Script Security 1.22
  • Jenkins Script Security 1.23
  • Jenkins Script Security 1.24
  • Jenkins Script Security 1.25
  • Jenkins Script Security 1.26
  • Jenkins Script Security 1.27
  • Jenkins Script Security 1.28
  • Jenkins Script Security 1.29
  • Jenkins Script Security 1.3
  • Jenkins Script Security 1.30
  • Jenkins Script Security 1.31
  • Jenkins Script Security 1.32
  • Jenkins Script Security 1.33
  • Jenkins Script Security 1.34
  • Jenkins Script Security 1.35
  • Jenkins Script Security 1.36
  • Jenkins Script Security 1.37
  • Jenkins Script Security 1.38
  • Jenkins Script Security 1.39
  • Jenkins Script Security 1.4
  • Jenkins Script Security 1.40
  • Jenkins Script Security 1.41
  • Jenkins Script Security 1.42
  • Jenkins Script Security 1.43
  • Jenkins Script Security 1.44
  • Jenkins Script Security 1.45
  • Jenkins Script Security 1.46
  • Jenkins Script Security 1.47
  • Jenkins Script Security 1.48
  • Jenkins Script Security 1.49
  • Jenkins Script Security 1.5
  • Jenkins Script Security 1.50
  • Jenkins Script Security 1.51
  • Jenkins Script Security 1.52
  • Jenkins Script Security 1.53
  • Jenkins Script Security 1.54
  • Jenkins Script Security 1.55
  • Jenkins Script Security 1.56
  • Jenkins Script Security 1.6
  • Jenkins Script Security 1.61
  • Jenkins Script Security 1.62
  • Jenkins Script Security 1.63
  • Jenkins Script Security 1.64
  • Jenkins Script Security 1.65
  • Jenkins Script Security 1.67
  • Jenkins Script Security 1.7
  • Jenkins Script Security 1.8
  • Jenkins Script Security 1.9
  • Jenkins Spira Importer 3.2.2
  • Jenkins Support Core 2.63

Recommendations

Block external access at the network boundary, unless external parties require service.
Filter access to the affected computer at the network boundary if global access isn't needed. Restricting access to only trusted computers and networks might greatly reduce the likelihood of a successful exploit.

Deploy network intrusion detection systems to monitor network traffic for malicious activity.
Deploy NIDS to detect and block attacks and anomalous activity such as requests containing suspicious URI sequences. Since the webserver may log such requests, review its logs regularly.

Do not follow links provided by unknown or untrusted sources.
Web users should be cautious about following links to sites that are provided by unfamiliar or suspicious sources. Filtering HTML from emails may help remove a possible vector for transmitting malicious links to users.

Set web browser security to disable the execution of JavaScript.
Since a successful exploit of these issues allows malicious script code to execute in web clients, consider disabling support for script code and active content within a client browser. Note that this mitigation tactic might adversely affect legitimate websites that rely on the execution of browser-based script code.

When possible, limit the privileges granted to users to the least amount required.
Ensure that all users are granted the least amount of privileges required to successfully operate.

Updates are available. Please see the references or vendor advisory for more information.

Credits

Daniel Beck, CloudBees, Inc, James Holderness, IB Boost, Matt Sicker, CloudBees, Inc, and Nils Emmerich of ERNW Research GmbH


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