CVE-2020-15643 : Security Advisory and Response
Learn about CVE-2020-15643, a critical vulnerability in Marvell QConvergeConsole 5.5.0.64 allowing remote code execution. Find mitigation steps and long-term security practices here.
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Marvell QConvergeConsole 5.5.0.64. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the saveAsText method of the GWTTestServiceImpl class. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to execute code in the context of SYSTEM. Was ZDI-CAN-10549.
Understanding CVE-2020-15643
This CVE pertains to a critical vulnerability in Marvell QConvergeConsole 5.5.0.64 that allows remote code execution.
What is CVE-2020-15643?
CVE-2020-15643 is a security vulnerability that enables remote attackers to run arbitrary code on affected systems.
The Impact of CVE-2020-15643
The vulnerability has a CVSS base score of 8.8, indicating a high severity level. The impact includes:
- High confidentiality, integrity, and availability impact
- Low attack complexity and privileges required
- Network-based attack vector with no user interaction required
Technical Details of CVE-2020-15643
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The flaw exists in the saveAsText method of the GWTTestServiceImpl class due to improper validation of user-supplied paths, allowing attackers to execute code.
Affected Systems and Versions
- Product: Marvell QConvergeConsole
- Version: 5.5.0.64
Exploitation Mechanism
Attackers can exploit this vulnerability remotely by bypassing the authentication mechanism and leveraging the lack of path validation.
Mitigation and Prevention
To address CVE-2020-15643, follow these mitigation strategies:
Immediate Steps to Take
- Apply the latest security patches from Marvell.
- Monitor network traffic for any suspicious activity.
- Restrict network access to vulnerable systems.
Long-Term Security Practices
- Conduct regular security assessments and audits.
- Implement strong authentication mechanisms.
- Educate users on safe computing practices.
Patching and Updates
- Stay informed about security advisories from Marvell.
- Keep all software and systems up to date with the latest patches and updates.