CVE-2020-7695 : What You Need to Know
Learn about CVE-2020-7695, a vulnerability in Uvicorn versions before 0.11.7 allowing HTTP response splitting attacks. Find mitigation steps and long-term security practices here.
Uvicorn before 0.11.7 is vulnerable to HTTP response splitting due to unescaped CRLF sequences in HTTP headers, allowing attackers to manipulate responses.
Understanding CVE-2020-7695
What is CVE-2020-7695?
CVE-2020-7695 is a vulnerability in Uvicorn versions prior to 0.11.7 that enables HTTP response splitting attacks by inserting arbitrary headers or response bodies.
The Impact of CVE-2020-7695
This vulnerability has a CVSS base score of 5.3, indicating a medium severity issue with low complexity and impact on integrity.
Technical Details of CVE-2020-7695
Vulnerability Description
- Uvicorn before 0.11.7 allows HTTP response splitting due to unescaped CRLF sequences in HTTP headers.
Affected Systems and Versions
- Product: Uvicorn
- Versions affected: < 0.11.7
Exploitation Mechanism
- Attackers can exploit this vulnerability by injecting crafted input to manipulate HTTP headers.
Mitigation and Prevention
Immediate Steps to Take
- Update Uvicorn to version 0.11.7 or newer to mitigate the HTTP response splitting vulnerability.
Long-Term Security Practices
- Regularly monitor and update dependencies to address potential security issues.
- Implement input validation and sanitization to prevent injection attacks.
Patching and Updates
- Stay informed about security patches and updates for Uvicorn to address vulnerabilities promptly.