CVE-2023-28684 : Exploit Details and Defense Strategies

This CVE-2023-28684, assigned by Jenkins, was published on March 23, 2023. The vulnerability affects the Jenkins remote-jobs-view-plugin Plugin versions 0.0.3 and earlier, leaving them susceptible to XML external entity (XXE) attacks.

Understanding CVE-2023-28684

This section delves into the specifics of CVE-2023-28684, highlighting its impact, technical details, and mitigation strategies.

What is CVE-2023-28684?

CVE-2023-28684 refers to a vulnerability found in the Jenkins remote-jobs-view-plugin Plugin versions 0.0.3 and prior. The issue arises from the plugin's failure to properly configure its XML parser, making it vulnerable to XML external entity (XXE) attacks.

The Impact of CVE-2023-28684

The vulnerability in the Jenkins remote-jobs-view-plugin Plugin could be exploited by malicious actors to launch XML external entity (XXE) attacks. This could potentially lead to unauthorized access to sensitive information, data exfiltration, or other malicious activities.

Technical Details of CVE-2023-28684

Exploring the technical aspects of CVE-2023-28684 provides a deeper understanding of the vulnerability.

Vulnerability Description

The Jenkins remote-jobs-view-plugin Plugin version 0.0.3 and earlier lack proper configuration of the XML parser, making them vulnerable to XML external entity (XXE) attacks. Attackers could exploit this weakness to inject malicious XML payloads and execute arbitrary code.

Affected Systems and Versions

The vulnerable versions of the Jenkins remote-jobs-view-plugin Plugin include version 0.0.3 and prior. Users utilizing these versions are at risk of potential exploitation if proper measures are not taken.

Exploitation Mechanism

The vulnerability in CVE-2023-28684 allows threat actors to craft malicious XML payloads and send them to the affected plugin, exploiting the lack of proper XML parser configuration. By leveraging this weakness, attackers can execute unauthorized actions on the target system.

Mitigation and Prevention

Understanding how to mitigate and prevent CVE-2023-28684 is crucial in maintaining system security and integrity.

Immediate Steps to Take

Users are advised to update the Jenkins remote-jobs-view-plugin Plugin to a non-vulnerable version, preferably one that includes a fix for the XXE vulnerability. Additionally, configuring the XML parser to mitigate XXE attacks is recommended.

Long-Term Security Practices

Implementing secure coding practices and conducting regular security assessments can help prevent similar vulnerabilities in the future. Educating developers and users about the risks associated with XXE attacks can also enhance overall security posture.

Patching and Updates

Staying up-to-date with security patches and software updates is essential in addressing known vulnerabilities. Organizations should prioritize patching any affected systems promptly to mitigate the risk of exploitation.