CVE-2020-13558 : Security Advisory and Response
Learn about CVE-2020-13558, a high-severity code execution vulnerability in Webkit WebKitGTK 2.30.1. Find out the impact, affected systems, exploitation details, and mitigation steps.
A code execution vulnerability exists in the AudioSourceProviderGStreamer functionality of Webkit WebKitGTK 2.30.1, potentially leading to a use after free exploit.
Understanding CVE-2020-13558
This CVE involves a high-severity vulnerability in Webkit WebKitGTK 2.30.1 that could allow an attacker to execute arbitrary code.
What is CVE-2020-13558?
The vulnerability in AudioSourceProviderGStreamer of Webkit WebKitGTK 2.30.1 can be exploited through a specially crafted web page, resulting in a use after free scenario.
The Impact of CVE-2020-13558
The vulnerability has a CVSS base score of 8.8, indicating a high severity level with significant impacts on confidentiality, integrity, and availability of affected systems.
Technical Details of CVE-2020-13558
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability allows for code execution in the AudioSourceProviderGStreamer component of Webkit WebKitGTK 2.30.1, potentially leading to a use after free condition.
Affected Systems and Versions
- Product: Webkit
- Version: Webkit WebKitGTK 2.30.1
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Network
- Privileges Required: None
- User Interaction: Required
- Scope: Unchanged
- Impact: High on confidentiality, integrity, and availability
Mitigation and Prevention
Protecting systems from CVE-2020-13558 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply security patches promptly
- Consider disabling JavaScript on untrusted websites
- Implement web content filtering to block malicious pages
Long-Term Security Practices
- Regularly update software and security tools
- Conduct security training for users to recognize phishing attempts
- Monitor network traffic for suspicious activities
Patching and Updates
- Check for security updates from Webkit and apply them as soon as they are available
- Stay informed about security advisories from relevant vendors and security organizations