CVE-2017-12115 : What You Need to Know
Learn about CVE-2017-12115, an authorization bypass vulnerability in cpp-ethereum's JSON-RPC, allowing unauthorized access. Find mitigation steps and long-term security practices here.
CVE-2017-12115, published on January 9, 2018, by Talos, addresses an improper authorization vulnerability in the miner_setEtherbase API of cpp-ethereum's JSON-RPC. This vulnerability allows for an authorization bypass, potentially leading to unauthorized access to restricted functionalities.
Understanding CVE-2017-12115
This CVE entry highlights a security issue in the cpp-ethereum software related to improper authorization, potentially enabling unauthorized access.
What is CVE-2017-12115?
The vulnerability in the miner_setEtherbase API of cpp-ethereum's JSON-RPC allows a JSON request to access restricted functionalities, leading to an authorization bypass.
The Impact of CVE-2017-12115
The vulnerability has a CVSS base score of 6.8, indicating a medium severity issue. It can be exploited remotely with a high attack complexity, impacting the integrity of the affected systems.
Technical Details of CVE-2017-12115
This section delves into the technical aspects of the vulnerability.
Vulnerability Description
The vulnerability is related to improper authorization in the miner_setEtherbase API of cpp-ethereum's JSON-RPC, allowing unauthorized access to restricted functionalities.
Affected Systems and Versions
- Product: CPP-Ethereum
- Vendor: Talos
- Version: Ethereum commit 4e1015743b95821849d001618a7ce82c7c073768
Exploitation Mechanism
The vulnerability can be exploited through a JSON request, enabling access to restricted functionalities and bypassing authorization mechanisms.
Mitigation and Prevention
Protecting systems from CVE-2017-12115 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply vendor-supplied patches promptly to address the vulnerability.
- Monitor and restrict network access to vulnerable components.
- Implement strong authentication mechanisms to prevent unauthorized access.
Long-Term Security Practices
- Regularly update and patch software to mitigate known vulnerabilities.
- Conduct security assessments and audits to identify and address potential weaknesses.
- Educate users and administrators on secure coding practices and the importance of authorization controls.
Patching and Updates
Regularly check for security updates and patches from the vendor to ensure that the vulnerability is addressed effectively.