CVE-2017-18097 : Vulnerability Insights and Analysis

Atlassian Jira before version 7.6.1 is vulnerable to a cross-site scripting (XSS) issue in the Trello board importer resource, allowing remote attackers to inject arbitrary HTML or JavaScript.

Understanding CVE-2017-18097

This CVE involves a security vulnerability in Atlassian Jira that could be exploited by attackers to execute XSS attacks.

What is CVE-2017-18097?

The vulnerability in the Trello board importer resource of Atlassian Jira, prior to version 7.6.1, permits malicious actors to insert unauthorized HTML or JavaScript code into the system by persuading a Jira administrator to import their Trello board.

The Impact of CVE-2017-18097

The vulnerability enables remote attackers to execute XSS attacks by injecting malicious code through the title field of a Trello card, potentially compromising the integrity and security of the system.

Technical Details of CVE-2017-18097

Atlassian Jira's vulnerability to XSS attacks through the Trello board importer resource.

Vulnerability Description

The flaw allows remote attackers to perform XSS attacks by injecting malicious code via the title field of a Trello card during the board import process.

Affected Systems and Versions

Product: Jira
Vendor: Atlassian
Versions Affected: Before 7.6.1 (unspecified version type: custom)

Exploitation Mechanism

Attackers need to convince a Jira administrator to import their Trello board to exploit the vulnerability.

Mitigation and Prevention

Protecting systems from the CVE-2017-18097 vulnerability.

Immediate Steps to Take

Upgrade Jira to version 7.6.1 or newer to mitigate the XSS vulnerability.
Educate administrators about the risks of importing Trello boards from untrusted sources.

Long-Term Security Practices

Regularly update and patch Atlassian Jira to address security vulnerabilities promptly.
Implement security training for administrators to recognize and prevent XSS attacks.
Monitor and audit imported Trello boards for suspicious content.
Utilize web application firewalls to filter and block malicious code injections.

Patching and Updates

Ensure timely installation of security patches and updates provided by Atlassian to address known vulnerabilities in Jira.