CVE-2017-18102 : Vulnerability Insights and Analysis
Learn about CVE-2017-18102 affecting Atlassian-renderer versions 8.0.0 to 8.0.22. Understand the XSS vulnerability, impact, and mitigation steps to secure your systems.
Atlassian-renderer versions 8.0.0 to 8.0.22 are vulnerable to remote code injection via a cross-site scripting (XSS) flaw.
Understanding CVE-2017-18102
This CVE involves a security vulnerability in Atlassian-renderer that allows attackers to inject malicious code through nested wiki markup, potentially leading to XSS attacks.
What is CVE-2017-18102?
The atlassian-renderer's wiki markup component, from version 8.0.0 to 8.0.22, contains a vulnerability enabling remote attackers to inject arbitrary HTML or JavaScript, leading to a cross-site scripting (XSS) risk.
The Impact of CVE-2017-18102
This vulnerability poses a significant risk as it allows attackers to execute malicious scripts in the context of a user's browser, potentially leading to sensitive data theft or unauthorized actions.
Technical Details of CVE-2017-18102
Atlassian-renderer's vulnerability can be further understood through the following technical details:
Vulnerability Description
The flaw in the wiki markup component of Atlassian-renderer allows remote attackers to inject arbitrary HTML or JavaScript code through nested wiki markup, creating a cross-site scripting (XSS) vulnerability.
Affected Systems and Versions
- Product: Atlassian-renderer
- Vendor: Atlassian
- Vulnerable Versions: 8.0.0 to 8.0.22
Exploitation Mechanism
The vulnerability arises when utilizing nested wiki markup, enabling attackers to insert malicious code that gets executed in the context of a user's browser, potentially compromising sensitive data.
Mitigation and Prevention
To address CVE-2017-18102, consider the following mitigation strategies:
Immediate Steps to Take
- Update Atlassian-renderer to a patched version.
- Implement input validation to prevent malicious code injection.
- Monitor and filter user-generated content for suspicious scripts.
Long-Term Security Practices
- Regularly update software and apply security patches.
- Conduct security audits and penetration testing to identify vulnerabilities.
- Educate developers and users on secure coding practices.
Patching and Updates
Ensure timely installation of security patches and updates provided by Atlassian to mitigate the risk of XSS attacks.