CVE-2017-16863 : Security Advisory and Response

Atlassian Jira prior to version 7.5.3 is affected by an XSS vulnerability in the PieChart gadget, allowing remote attackers to inject malicious code via the project or filter name field.

Understanding CVE-2017-16863

This CVE involves a Cross Site Scripting (XSS) vulnerability in Atlassian Jira.

What is CVE-2017-16863?

The PieChart gadget in Atlassian Jira before version 7.5.3 is susceptible to remote attackers injecting arbitrary HTML or JavaScript through a cross-site scripting (XSS) flaw in project or filter names.

The Impact of CVE-2017-16863

The vulnerability enables adversaries to execute malicious code, potentially compromising the integrity of the system and data.

Technical Details of CVE-2017-16863

Atlassian Jira's XSS vulnerability is detailed below:

Vulnerability Description

An XSS flaw in the PieChart gadget allows remote attackers to inject malicious HTML or JavaScript code.

Affected Systems and Versions

Product: Atlassian Jira
Vendor: Atlassian
Affected Versions: All versions prior to 7.5.3

Exploitation Mechanism

Attackers exploit the project or filter name field to inject malicious code.

Mitigation and Prevention

Protect your system from CVE-2017-16863 with the following steps:

Immediate Steps to Take

Update Atlassian Jira to version 7.5.3 or later to mitigate the vulnerability.
Monitor and restrict user input to prevent injection attacks.

Long-Term Security Practices

Regularly audit and review code for security vulnerabilities.
Educate users on safe browsing habits and potential risks of XSS attacks.

Patching and Updates

Stay informed about security patches and updates from Atlassian to address vulnerabilities promptly.