CVE-2023-43494 : Exploit Details and Defense Strategies
Learn about CVE-2023-43494 affecting Jenkins versions 2.50 through 2.423 and LTS 2.60.1 through 2.414.1. Understand the impact, technical aspects, and mitigation strategies.
A security vulnerability, designated as CVE-2023-43494, has been identified in Jenkins, an open-source automation server. This article delves into the details of the vulnerability, its impact, technical aspects, and mitigation strategies.
Understanding CVE-2023-43494
This section provides an in-depth analysis of the security flaw found in Jenkins.
What is CVE-2023-43494?
The vulnerability, present in Jenkins versions 2.50 through 2.423 and LTS 2.60.1 through 2.414.1, allows attackers with Item/Read permission to extract sensitive build variables like password parameter values from the build history widget.
The Impact of CVE-2023-43494
Exploiting this vulnerability enables threat actors to access sensitive information by iteratively testing different characters until the correct sequence is discovered.
Technical Details of CVE-2023-43494
Explore the specific technical elements related to CVE-2023-43494.
Vulnerability Description
Jenkins fails to exclude sensitive build variables from the search in the build history widget, thereby facilitating unauthorized access to confidential data.
Affected Systems and Versions
The affected versions of Jenkins include 2.50 through 2.423 and LTS 2.60.1 through 2.414.1, with sensitive build variables being compromised.
Exploitation Mechanism
Attackers leveraging Item/Read permission can obtain sensitive variable values by exploiting the flaw in Jenkins' build history widget.
Mitigation and Prevention
Discover the recommended steps to mitigate the risks associated with CVE-2023-43494.
Immediate Steps to Take
Users are advised to implement immediate security measures to safeguard their sensitive data.
Long-Term Security Practices
Incorporating robust security practices and enforcing access control mechanisms are essential for preventing similar vulnerabilities in the future.
Patching and Updates
Regularly updating Jenkins to the latest secure versions can help address known vulnerabilities and enhance overall system security.