CVE-2020-8958 : Security Advisory and Response
Learn about CVE-2020-8958, a critical vulnerability in Guangzhou 1GE ONU V2801RW and V2804RGW devices allowing remote code execution. Find mitigation steps and best practices for enhanced security.
Guangzhou 1GE ONU V2801RW 1.9.1-181203 through 2.9.0-181024 and V2804RGW 1.9.1-181203 through 2.9.0-181024 devices are vulnerable to remote code execution via shell metacharacters in the boaform/admin/formPing Dest IP Address field.
Understanding CVE-2020-8958
This CVE identifies a critical vulnerability in Guangzhou 1GE ONU devices that allows attackers to execute arbitrary OS commands remotely.
What is CVE-2020-8958?
The CVE-2020-8958 vulnerability enables malicious actors to run unauthorized commands on affected devices by exploiting a specific field in the device's interface.
The Impact of CVE-2020-8958
This vulnerability poses a severe risk as attackers can execute commands without authorization, potentially leading to unauthorized access, data theft, or system compromise.
Technical Details of CVE-2020-8958
Guangzhou 1GE ONU V2801RW and V2804RGW devices are affected by this vulnerability.
Vulnerability Description
The flaw allows remote attackers to execute arbitrary OS commands through shell metacharacters in a specific field of the device's interface.
Affected Systems and Versions
- Devices: Guangzhou 1GE ONU V2801RW, V2804RGW
- Versions: 1.9.1-181203 through 2.9.0-181024
Exploitation Mechanism
Attackers can exploit the vulnerability by injecting shell metacharacters into the boaform/admin/formPing Dest IP Address field, enabling the execution of unauthorized commands.
Mitigation and Prevention
It is crucial to take immediate action to secure the affected devices and prevent exploitation.
Immediate Steps to Take
- Disable remote access if not required
- Implement strong access controls and authentication mechanisms
- Regularly monitor and audit device logs for suspicious activities
Long-Term Security Practices
- Conduct regular security assessments and penetration testing
- Keep devices up to date with the latest firmware and security patches
- Educate users on safe practices and security awareness
Patching and Updates
- Apply vendor-supplied patches promptly to address the vulnerability and enhance device security