SB2019121816 - Multiple vulnerabilities in Gerrit Trigger plugin for Jenkins



SB2019121816 - Multiple vulnerabilities in Gerrit Trigger plugin for Jenkins

Published: December 18, 2019

Security Bulletin ID SB2019121816
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Cross-site request forgery (CVE-ID: CVE-2019-16551)

The vulnerability allows a remote attacker to perform cross-site request forgery attacks.

The vulnerability exists due to insufficient validation of the HTTP request origin. A remote attacker can trick the victim to visit a specially crafted web page and perform arbitrary actions on behalf of the victim on the vulnerable website, such as connecting to an HTTP URL or SSH server using attacker-specified credentials, or determine whether files with an attacker-specified path exist on the Jenkins master file system.


2) Improper access control (CVE-ID: CVE-2019-16552)

The vulnerability allows a remote user to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to the affected software does not perform permission checks in methods performing form validation. A remote authenticated user with Overall/Read access can perform connection tests, connecting to an HTTP URL or SSH server using attacker-specified credentials, or determine whether files with an attacker-specified path exist on the Jenkins master file system.


Remediation

Install update from vendor's website.