CVE-2020-7867 : Vulnerability Insights and Analysis
Learn about CVE-2020-7867, an improper input validation vulnerability in Helpu that allows local attackers to create and execute arbitrary files. Find out the impact, affected systems, and mitigation steps.
An improper input validation vulnerability in Helpu solution could allow a local attacker to create and execute arbitrary files without clicking the file transfer menu. This could lead to file creation in arbitrary directories due to the viewer program receiving the file from the agent with administrator privileges.
Understanding CVE-2020-7867
This CVE involves an improper input validation vulnerability in Helpu that could be exploited by a local attacker to create and execute arbitrary files.
What is CVE-2020-7867?
CVE-2020-7867 is a vulnerability in Helpu that allows a local attacker to create and execute arbitrary files without the need to click the file transfer menu.
The Impact of CVE-2020-7867
- CVSS Base Score: 8.0 (High)
- Attack Vector: Network
- Attack Complexity: Low
- Privileges Required: Low
- User Interaction: Required
- Confidentiality Impact: High
- Integrity Impact: High
- Availability Impact: High
Technical Details of CVE-2020-7867
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The vulnerability allows a local attacker to create and execute arbitrary files without the usual file transfer menu interaction.
Affected Systems and Versions
- Affected Platforms: Windows
- Affected Product: HelpuViewer.exe
- Vendor: HelpU
- Affected Version: 2018.5.21.0
Exploitation Mechanism
The viewer program receives files from the agent with administrator privileges, enabling the attacker to create files in arbitrary directories.
Mitigation and Prevention
To address CVE-2020-7867, follow these mitigation strategies:
Immediate Steps to Take
- Implement input validation mechanisms to prevent arbitrary file creation.
- Restrict user privileges to minimize the impact of potential attacks.
Long-Term Security Practices
- Regularly update and patch the Helpu solution to address known vulnerabilities.
- Conduct security training for users to raise awareness about file security practices.
Patching and Updates
Apply patches and updates provided by HelpU to fix the vulnerability and enhance system security.