CVE-2023-25762 : Vulnerability Insights and Analysis

This CVE entry refers to a security vulnerability identified as CVE-2023-25762 that impacts Jenkins Pipeline: Build Step Plugin version 2.18 and earlier. The vulnerability involves a cross-site scripting (XSS) issue that could be exploited by attackers who can manipulate job names within the Pipeline Snippet Generator.

Understanding CVE-2023-25762

This section will provide insights into the nature of the CVE-2023-25762 vulnerability and its potential impact.

What is CVE-2023-25762?

CVE-2023-25762 is a security flaw found in Jenkins Pipeline: Build Step Plugin versions up to 2.18. The vulnerability arises from a failure to appropriately escape job names within a JavaScript expression utilized in the Pipeline Snippet Generator, making it susceptible to stored cross-site scripting attacks.

The Impact of CVE-2023-25762

The exploitability of this vulnerability allows malicious actors to execute cross-site scripting attacks by manipulating job names. This could lead to unauthorized access, data theft, or further compromise of the Jenkins environment by injecting and executing malicious scripts within the affected system.

Technical Details of CVE-2023-25762

Delving deeper into the technical aspects of CVE-2023-25762 to understand the vulnerability and its implications.

Vulnerability Description

The vulnerability in Jenkins Pipeline: Build Step Plugin allows attackers to insert and execute malicious scripts by exploiting the inability to properly escape job names within a JavaScript expression in the Pipeline Snippet Generator, resulting in a stored cross-site scripting vulnerability.

Affected Systems and Versions

The impacted product is the Jenkins Pipeline: Build Step Plugin by Jenkins Project, specifically versions up to 2.18. Users utilizing these vulnerable versions are at risk of exploitation and should take immediate action to mitigate the threat.

Exploitation Mechanism

Attackers with the ability to control job names can exploit the vulnerability in Jenkins Pipeline: Build Step Plugin to execute cross-site scripting attacks, potentially leading to severe consequences such as unauthorized data access and system manipulation.

Mitigation and Prevention

To address and prevent the risks posed by CVE-2023-25762, users and administrators should implement the following measures.

Immediate Steps to Take

Upgrade Jenkins Pipeline: Build Step Plugin to a version beyond 2.18 that addresses the XSS vulnerability.
Regularly monitor for any abnormal activities in the Jenkins environment that could indicate unauthorized access or exploitation attempts.

Long-Term Security Practices

Educate users on secure coding practices to prevent the introduction of vulnerabilities like XSS in custom-built solutions.
Conduct regular security assessments and audits to identify and remediate potential risks proactively within the Jenkins environment.

Patching and Updates

Stay informed about security advisories and updates from Jenkins Project to promptly apply patches addressing known vulnerabilities like CVE-2023-25762. Regularly updating software components can help fortify the system against emerging threats and vulnerabilities.