CVE-2017-5962 : Vulnerability Insights and Analysis
Learn about CVE-2017-5962, a security flaw in contexts_wurfl (for TYPO3) allowing attackers to execute arbitrary code in the browser. Find mitigation steps and preventive measures here.
A security flaw has been identified in contexts_wurfl (for TYPO3) version 0.4.2 and earlier, allowing attackers to execute arbitrary code within the browser.
Understanding CVE-2017-5962
What is CVE-2017-5962?
The vulnerability arises from inadequate filtering of user-supplied data in the "force_ua" HTTP GET parameter.
The Impact of CVE-2017-5962
Exploiting this flaw could enable attackers to run arbitrary HTML and script code within the browser, compromising the affected website's context.
Technical Details of CVE-2017-5962
Vulnerability Description
The issue stems from insufficient filtration of user-supplied data in the "force_ua" parameter passed to a specific URL.
Affected Systems and Versions
- Product: contexts_wurfl (for TYPO3)
- Versions affected: 0.4.2 and earlier
Exploitation Mechanism
Attackers can exploit the vulnerability by manipulating the "force_ua" HTTP GET parameter to execute malicious code in the browser.
Mitigation and Prevention
Immediate Steps to Take
- Update contexts_wurfl to version 0.4.2 or later.
- Implement input validation to sanitize user-supplied data.
Long-Term Security Practices
- Regularly monitor and update web application security measures.
- Conduct security audits to identify and address vulnerabilities.
Patching and Updates
Apply patches and security updates promptly to mitigate the risk of exploitation.