CVE-2020-8964 : Exploit Details and Defense Strategies
Discover how CVE-2020-8964 affects TimeTools SC7105, SC9205, SC9705, SR7110, SR9210, SR9750, SR9850, T100, T300, and T550 devices, allowing unauthorized access through a hardcoded cookie.
TimeTools SC7105, SC9205, SC9705, SR7110, SR9210, SR9750, SR9850, T100, T300, and T550 devices are vulnerable to authentication bypass attacks through a hardcoded cookie.
Understanding CVE-2020-8964
TimeTools devices are susceptible to a security issue that allows remote attackers to bypass authentication using a specific request.
What is CVE-2020-8964?
The vulnerability in TimeTools devices enables unauthorized users to circumvent authentication by inserting a specific string in a request, known as a "hardcoded cookie."
The Impact of CVE-2020-8964
This vulnerability poses a significant risk as it allows attackers to gain unauthorized access to TimeTools devices without proper authentication, potentially leading to unauthorized control or access to sensitive information.
Technical Details of CVE-2020-8964
TimeTools SC7105, SC9205, SC9705, SR7110, SR9210, SR9750, SR9850, T100, T300, and T550 devices are affected by this vulnerability.
Vulnerability Description
The flaw in these devices permits remote attackers to bypass authentication by inserting a specific string in a request, effectively creating a "hardcoded cookie."
Affected Systems and Versions
- TimeTools SC7105 1.0.007
- TimeTools SC9205 1.0.007
- TimeTools SC9705 1.0.007
- TimeTools SR7110 1.0.007
- TimeTools SR9210 1.0.007
- TimeTools SR9750 1.0.007
- TimeTools SR9850 1.0.007
- TimeTools T100 1.0.003
- TimeTools T300 1.0.003
- TimeTools T550 1.0.003
Exploitation Mechanism
The vulnerability can be exploited by sending a specific request with the malicious string 't3axs=TiMEtOOlsj7G3xMm52wB' in a 't3.cgi' request, allowing unauthorized access to the device.
Mitigation and Prevention
It is crucial to take immediate action to mitigate the risks associated with CVE-2020-8964.
Immediate Steps to Take
- Implement network segmentation to restrict access to vulnerable devices.
- Monitor network traffic for any suspicious activity.
- Apply firewall rules to limit unauthorized access.
Long-Term Security Practices
- Regularly update firmware and software to patch known vulnerabilities.
- Conduct security assessments and penetration testing to identify and address weaknesses.
Patching and Updates
- TimeTools should release a security patch addressing the authentication bypass vulnerability to secure the affected devices.