CVE-2020-10108 : Security Advisory and Response
Learn about CVE-2020-10108, a Twisted Web vulnerability allowing HTTP request splitting. Find out the impact, affected systems, exploitation, and mitigation steps.
In Twisted Web through 19.10.0, an HTTP request splitting vulnerability allowed malicious actors to manipulate content-length headers, leading to potential security risks.
Understanding CVE-2020-10108
This CVE identifies a specific vulnerability in Twisted Web that could be exploited by attackers to manipulate HTTP request headers.
What is CVE-2020-10108?
CVE-2020-10108 is a security vulnerability in Twisted Web versions up to 19.10.0 that could result in HTTP request splitting due to mishandling of content-length headers.
The Impact of CVE-2020-10108
The vulnerability could allow attackers to craft malicious requests, potentially leading to various security risks such as data manipulation or unauthorized access.
Technical Details of CVE-2020-10108
This section provides more in-depth technical insights into the CVE.
Vulnerability Description
Twisted Web through version 19.10.0 mishandled content-length headers, allowing attackers to manipulate requests and potentially exploit the system.
Affected Systems and Versions
- Product: Twisted Web
- Vendor: N/A
- Versions affected: Up to 19.10.0
Exploitation Mechanism
By presenting two content-length headers and setting the second header's value to zero, attackers could interpret the request body as a pipelined request, potentially leading to unauthorized actions.
Mitigation and Prevention
To address CVE-2020-10108, immediate actions and long-term security practices are essential.
Immediate Steps to Take
- Update Twisted Web to a patched version that addresses the vulnerability.
- Monitor and analyze incoming HTTP requests for any suspicious activity.
- Implement network-level protections to detect and block potential HTTP request splitting attempts.
Long-Term Security Practices
- Regularly update and patch all software components to mitigate known vulnerabilities.
- Conduct security assessments and penetration testing to identify and address potential weaknesses.
- Educate developers and system administrators on secure coding practices and common web security threats.
Patching and Updates
- Stay informed about security advisories and updates from Twisted Web and related vendors.
- Apply patches promptly to ensure that known vulnerabilities are mitigated effectively.