CVE-2017-8051 Explained : Impact and Mitigation
Learn about CVE-2017-8051, a vulnerability in Tenable Appliance versions 3.5 to 4.4.0 allowing remote attackers to inject arbitrary commands. Find mitigation steps and prevention measures here.
A vulnerability has been found in Tenable Appliance versions 3.5 to 4.4.0, and potentially in earlier versions as well. The flaw exists in the simpleupload.py script within the Web UI. By manipulating the tns_appliance_session_user parameter, an attacker who is located remotely can inject arbitrary commands.
Understanding CVE-2017-8051
This CVE identifies a security vulnerability in Tenable Appliance versions 3.5 to 4.4.0 that allows remote attackers to execute arbitrary commands.
What is CVE-2017-8051?
CVE-2017-8051 is a flaw in the simpleupload.py script in the Web UI of Tenable Appliance versions 3.5 to 4.4.0. It enables remote attackers to inject arbitrary commands by manipulating the tns_appliance_session_user parameter.
The Impact of CVE-2017-8051
The vulnerability poses a significant risk as remote attackers can exploit it to execute arbitrary commands on affected systems, potentially leading to unauthorized access, data breaches, and system compromise.
Technical Details of CVE-2017-8051
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The flaw in the simpleupload.py script within the Web UI of Tenable Appliance versions 3.5 to 4.4.0 allows remote attackers to inject arbitrary commands by manipulating the tns_appliance_session_user parameter.
Affected Systems and Versions
- Tenable Appliance versions 3.5 to 4.4.0
- Possibly earlier versions as well
Exploitation Mechanism
- Remote attackers exploit the vulnerability by manipulating the tns_appliance_session_user parameter
Mitigation and Prevention
Protecting systems from CVE-2017-8051 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply security patches provided by the vendor promptly
- Monitor network traffic for any suspicious activities
- Restrict access to vulnerable systems
Long-Term Security Practices
- Regularly update and patch all software and applications
- Conduct security assessments and penetration testing
- Educate users on cybersecurity best practices
Patching and Updates
- Regularly check for security updates and patches from Tenable for the Appliance