CVE-2020-17406 Explained : Impact and Mitigation
Learn about CVE-2020-17406, a critical vulnerability in Microhard Bullet-LTE devices allowing remote code execution. Find mitigation steps and patch details here.
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Microhard Bullet-LTE prior to v1.2.0-r1112. Authentication is required to exploit this vulnerability. The specific flaw exists within the handling of the ping parameter provided to tools.sh. An attacker can leverage this vulnerability to execute code in the context of root.
Understanding CVE-2020-17406
This CVE identifies a critical vulnerability in Microhard Bullet-LTE devices that can be exploited by remote attackers to run arbitrary code.
What is CVE-2020-17406?
CVE-2020-17406 is a security flaw in Microhard Bullet-LTE devices that allows attackers to execute unauthorized code with elevated privileges.
The Impact of CVE-2020-17406
The vulnerability has a high impact, with a CVSS base score of 8.8, affecting confidentiality, integrity, and availability of the system.
Technical Details of CVE-2020-17406
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The flaw arises from improper validation of user-supplied input in the ping parameter of tools.sh, enabling attackers to execute system calls with root privileges.
Affected Systems and Versions
- Product: Bullet-LTE
- Vendor: Microhard
- Versions Affected: prior to v1.2.0-r1112
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Network
- Privileges Required: Low
- User Interaction: None
- Scope: Unchanged
- Exploitation Impact: High
Mitigation and Prevention
Protecting systems from CVE-2020-17406 requires immediate actions and long-term security measures.
Immediate Steps to Take
- Apply vendor-supplied patches promptly.
- Implement strong authentication mechanisms.
- Monitor network traffic for suspicious activities.
Long-Term Security Practices
- Regularly update and patch all software and firmware.
- Conduct security assessments and penetration testing.
- Educate users on safe computing practices.
Patching and Updates
- Microhard has released a patch for versions v1.2.0-r1112 and above to address this vulnerability.