CVE-2018-12100 : What You Need to Know

Sonatype Nexus Repository Manager versions 3.x prior to 3.12.0 are vulnerable to cross-site scripting (XSS).

Understanding CVE-2018-12100

Multiple areas in the Administration UI of Sonatype Nexus Repository Manager versions 3.x before 3.12.0 have XSS vulnerabilities.

What is CVE-2018-12100?

This CVE refers to cross-site scripting (XSS) vulnerabilities present in various sections of the Administration UI of Sonatype Nexus Repository Manager versions 3.x prior to 3.12.0.

The Impact of CVE-2018-12100

The XSS vulnerabilities can allow attackers to execute malicious scripts in the context of a user's session, potentially leading to unauthorized actions or data theft.

Technical Details of CVE-2018-12100

Sonatype Nexus Repository Manager versions 3.x before 3.12.0 are affected by XSS vulnerabilities.

Vulnerability Description

The vulnerabilities in the Administration UI allow for the injection of malicious scripts, posing a risk of unauthorized access or data manipulation.

Affected Systems and Versions

Product: Sonatype Nexus Repository Manager
Versions: 3.x (prior to 3.12.0)

Exploitation Mechanism

Attackers can exploit these vulnerabilities by injecting malicious scripts into the affected areas of the Administration UI, potentially compromising user sessions.

Mitigation and Prevention

Immediate action is necessary to address the CVE-2018-12100 vulnerability.

Immediate Steps to Take

Upgrade to version 3.12.0 or later of Sonatype Nexus Repository Manager to mitigate the XSS vulnerabilities.
Regularly monitor for security advisories and updates from Sonatype.

Long-Term Security Practices

Implement secure coding practices to prevent XSS vulnerabilities in web applications.
Conduct regular security assessments and penetration testing to identify and address potential vulnerabilities.

Patching and Updates

Apply patches and updates provided by Sonatype promptly to ensure the security of the Nexus Repository Manager.