CVE-2020-17389 : Exploit Details and Defense Strategies
Learn about CVE-2020-17389, a vulnerability in Marvell QConvergeConsole 5.5.0.64 allowing remote code execution. Understand the impact, affected systems, and mitigation steps.
A vulnerability in Marvell QConvergeConsole 5.5.0.64 allows remote attackers to execute arbitrary code, posing a high risk to confidentiality, integrity, and availability.
Understanding CVE-2020-17389
This CVE involves a flaw in the decryptFile method of the GWTTestServiceImpl class, enabling attackers to bypass authentication and execute code on affected systems.
What is CVE-2020-17389?
- Remote attackers can exploit this vulnerability to run arbitrary code on Marvell QConvergeConsole 5.5.0.64.
- The flaw arises from inadequate validation of user-supplied paths, leading to potential code execution in the SYSTEM context.
The Impact of CVE-2020-17389
- CVSS Score: 8.8 (High)
- Attack Vector: Network
- Attack Complexity: Low
- Privileges Required: Low
- User Interaction: None
- Confidentiality, Integrity, and Availability Impact: High
Technical Details of CVE-2020-17389
This section delves into the specifics of the vulnerability, affected systems, and the exploitation mechanism.
Vulnerability Description
The vulnerability allows attackers to execute arbitrary code due to improper validation of user-supplied paths in Marvell QConvergeConsole 5.5.0.64.
Affected Systems and Versions
- Product: QConvergeConsole
- Vendor: Marvell
- Version: 5.5.0.64
Exploitation Mechanism
- Attackers can exploit the decryptFile method of the GWTTestServiceImpl class to execute code in the context of SYSTEM.
Mitigation and Prevention
Protecting systems from CVE-2020-17389 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply vendor-supplied patches promptly.
- Monitor network traffic for signs of exploitation.
- Restrict access to vulnerable systems.
Long-Term Security Practices
- Regularly update and patch software to address vulnerabilities.
- Implement strong authentication mechanisms to prevent unauthorized access.
- Conduct security assessments and audits to identify and mitigate risks.
- Educate users on safe computing practices.
Patching and Updates
- Refer to vendor advisories for patching instructions and updates.