CVE-2021-40898 : Security Advisory and Response
Discover the impact of CVE-2021-40898, a ReDoS vulnerability in scaffold-helper v1.2.0. Learn about the affected systems, exploitation method, and mitigation steps.
A Regular Expression Denial of Service (ReDOS) vulnerability was discovered in scaffold-helper v1.2.0 when copying crafted invalid files.
Understanding CVE-2021-40898
This CVE identifies a ReDoS vulnerability in scaffold-helper v1.2.0, affecting unspecified versions.
What is CVE-2021-40898?
Regular Expression Denial of Service (ReDoS) vulnerability discovered in scaffold-helper v1.2.0 when handling malicious files.
The Impact of CVE-2021-40898
The vulnerability could lead to denial of service attacks by exploiting the inefficiencies in the regular expressions used to process files.
Technical Details of CVE-2021-40898
Identifying the specifics of the vulnerability and its impact.
Vulnerability Description
A ReDoS vulnerability in scaffold-helper v1.2.0 leads to denial of service due to inefficient regular expression processing.
Affected Systems and Versions
- Affected Systems: Not specified
- Affected Versions: Not specified
Exploitation Mechanism
- Attackers create crafted invalid files triggering inefficient regex processing in scaffold-helper v1.2.0.
Mitigation and Prevention
Protecting systems from CVE-2021-40898.
Immediate Steps to Take
- Update to a patched version of scaffold-helper if available.
- Monitor system logs for any unusual regex processing.
Long-Term Security Practices
- Regularly update software to prevent known vulnerabilities.
- Implement input validation to detect and mitigate crafted malicious files.
Patching and Updates
Stay informed about security updates for scaffold-helper to address CVE-2021-40898.