CVE-2020-21574 : Exploit Details and Defense Strategies
Learn about CVE-2020-21574, a buffer overflow vulnerability in YotsuyaNight c-http v0.1.0 allowing denial of service attacks via long URL requests. Find mitigation steps here.
A buffer overflow vulnerability in YotsuyaNight c-http v0.1.0 allows attackers to cause a denial of service via a long URL request.
Understanding CVE-2020-21574
This CVE involves a specific version of YotsuyaNight c-http that is susceptible to a buffer overflow issue.
What is CVE-2020-21574?
The vulnerability in YotsuyaNight c-http v0.1.0 enables attackers to trigger a denial of service by sending a lengthy URL request that is processed by the delimitedread function.
The Impact of CVE-2020-21574
The exploitation of this vulnerability can lead to a denial of service, disrupting the availability of the affected system.
Technical Details of CVE-2020-21574
This section provides more technical insights into the CVE.
Vulnerability Description
The buffer overflow vulnerability in YotsuyaNight c-http v0.1.0 allows threat actors to exploit the system by sending excessively long URL requests.
Affected Systems and Versions
- Affected Version: YotsuyaNight c-http v0.1.0
- Other versions may not be impacted.
Exploitation Mechanism
Attackers exploit the vulnerability by crafting and sending a URL request that exceeds the system's processing capacity, leading to a buffer overflow and subsequent denial of service.
Mitigation and Prevention
Protecting systems from CVE-2020-21574 requires immediate actions and long-term security measures.
Immediate Steps to Take
- Disable or restrict access to the vulnerable component if possible.
- Implement network-level protections to filter out malicious requests.
- Monitor system logs for any unusual URL request patterns.
Long-Term Security Practices
- Regularly update and patch software to address known vulnerabilities.
- Conduct security assessments and penetration testing to identify and remediate weaknesses.
- Educate developers on secure coding practices to prevent buffer overflow vulnerabilities.
Patching and Updates
- Check for patches or updates provided by the software vendor to fix the buffer overflow issue in YotsuyaNight c-http v0.1.0.