CVE-2018-19218 : Security Advisory and Response
Learn about CVE-2018-19218, a vulnerability in LibSass 3.5-stable that allows unauthorized access to an invalid address, potentially leading to a denial-of-service attack. Find mitigation steps and prevention measures here.
A potential denial-of-service attack can occur in LibSass 3.5-stable due to an unauthorized access to an invalid address at Sass::Parser::parse_css_variable_value_token.
Understanding CVE-2018-19218
In LibSass 3.5-stable, an illegal address access at Sass::Parser::parse_css_variable_value_token can lead to a DoS attack.
What is CVE-2018-19218?
LibSass 3.5-stable is vulnerable to a denial-of-service attack due to unauthorized access to an invalid address within the parse_css_variable_value_token function.
The Impact of CVE-2018-19218
This vulnerability can be exploited to launch a denial-of-service attack, potentially disrupting the affected system's availability.
Technical Details of CVE-2018-19218
Vulnerability Description
The vulnerability in LibSass 3.5-stable allows for illegal address access at Sass::Parser::parse_css_variable_value_token, enabling a potential DoS attack.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Version: 3.5-stable
Exploitation Mechanism
The vulnerability can be exploited by unauthorized parties to access an invalid address, leading to a denial-of-service attack.
Mitigation and Prevention
Immediate Steps to Take
- Apply security patches or updates provided by the software vendor.
- Implement network security measures to prevent unauthorized access.
Long-Term Security Practices
- Regularly update software and libraries to mitigate known vulnerabilities.
- Conduct security assessments and penetration testing to identify and address potential weaknesses.
Patching and Updates
It is crucial to stay informed about security updates released by LibSass and promptly apply patches to address this vulnerability.