CVE-2017-18090 : What You Need to Know

Atlassian Fisheye prior to versions 4.5.1 and 4.6.0 had vulnerabilities that could be exploited by malicious actors for cross-site scripting attacks.

Understanding CVE-2017-18090

This CVE involves multiple resources in Atlassian Fisheye that were susceptible to cross-site scripting (XSS) attacks.

What is CVE-2017-18090?

Atlassian Fisheye versions prior to 4.5.1 and 4.6.0 contained vulnerabilities that allowed attackers to inject arbitrary HTML or JavaScript by manipulating the commit author's name.

The Impact of CVE-2017-18090

These vulnerabilities could be exploited by remote attackers to execute XSS attacks, potentially leading to unauthorized data access or manipulation.

Technical Details of CVE-2017-18090

Atlassian Fisheye's security issue can be further understood through the following technical details:

Vulnerability Description

The vulnerability in Fisheye before version 4.5.1 and 4.6.0 allowed remote attackers to inject malicious HTML or JavaScript code via XSS attacks in the commit author's name.

Affected Systems and Versions

Product: Fisheye
Vendor: Atlassian
Vulnerable Versions: Prior to 4.5.1 and prior to 4.6.0

Exploitation Mechanism

Attackers could exploit this vulnerability by manipulating the commit author's name to inject malicious code, potentially compromising the integrity of the system.

Mitigation and Prevention

To address CVE-2017-18090, consider the following mitigation strategies:

Immediate Steps to Take

Upgrade Atlassian Fisheye to version 4.5.1 or higher to mitigate the XSS vulnerabilities.
Monitor commit author names for suspicious or unexpected characters that could indicate an attack.

Long-Term Security Practices

Implement input validation mechanisms to sanitize user inputs and prevent XSS attacks.
Regularly update and patch software to address known security vulnerabilities.

Patching and Updates

Apply security patches provided by Atlassian promptly to ensure the system is protected against potential exploits.