CVE-2019-15008 : Security Advisory and Response

Atlassian Fisheye and Crucible before version 4.7.3 are affected by a Cross Site Scripting (XSS) vulnerability that allows remote attackers to inject arbitrary HTML or JavaScript.

Understanding CVE-2019-15008

In December 2019, CVE-2019-15008 was published, highlighting a security issue in Atlassian Fisheye and Crucible versions prior to 4.7.3.

What is CVE-2019-15008?

The vulnerability exists in the reviewedBranch parameter of the /plugins/servlet/branchreview resource, enabling remote attackers to execute XSS attacks.

The Impact of CVE-2019-15008

This vulnerability can be exploited by malicious actors to inject and execute arbitrary HTML or JavaScript code, potentially leading to unauthorized access or data theft.

Technical Details of CVE-2019-15008

Atlassian Fisheye and Crucible versions before 4.7.3 are susceptible to this XSS vulnerability.

Vulnerability Description

The /plugins/servlet/branchreview resource allows attackers to inject malicious code through the reviewedBranch parameter.

Affected Systems and Versions

Product: Crucible
Vendor: Atlassian
Versions Affected: < 4.7.3
Product: Fisheye
Vendor: Atlassian
Versions Affected: < 4.7.3

Exploitation Mechanism

Attackers can exploit the vulnerability by manipulating the reviewedBranch parameter to inject unauthorized HTML or JavaScript code.

Mitigation and Prevention

To address CVE-2019-15008, follow these steps:

Immediate Steps to Take

Upgrade Atlassian Fisheye and Crucible to version 4.7.3 or later to mitigate the vulnerability.
Monitor for any unusual activities that might indicate exploitation of the XSS vulnerability.

Long-Term Security Practices

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

Patching and Updates

Apply security patches provided by Atlassian promptly to ensure protection against potential security threats.