CVE-2020-1853 : Security Advisory and Response

GaussDB 200 with version 6.5.1 has a path traversal vulnerability that allows authenticated attackers to traverse directories and download files, potentially leading to information leakage.

Understanding CVE-2020-1853

What is CVE-2020-1853?

This CVE identifies a path traversal vulnerability in Huawei's GaussDB 200 version 6.5.1, enabling attackers to access sensitive files on the system.

The Impact of CVE-2020-1853

The exploitation of this vulnerability can result in unauthorized access to critical information and compromise the confidentiality of data stored in GaussDB 200.

Technical Details of CVE-2020-1853

Vulnerability Description

GaussDB 200 version 6.5.1 is susceptible to path traversal due to inadequate input path validation.

Affected Systems and Versions

Affected Product: GaussDB 200
Vendor: Huawei
Vulnerable Version: 6.5.1

Exploitation Mechanism

Authenticated attackers can exploit the flaw by manipulating directory traversal techniques to access and download files on the system.

Mitigation and Prevention

Immediate Steps to Take

Apply vendor-supplied patches and updates promptly.
Implement proper input validation to mitigate directory traversal vulnerabilities.
Monitor and restrict user permissions to prevent unauthorized file access.

Long-Term Security Practices

Conduct regular security audits and penetration testing to identify and address vulnerabilities.
Educate users and administrators on secure coding practices and the risks associated with path traversal.

Patching and Updates

Stay up-to-date with security advisories from Huawei and apply relevant patches to eliminate the path traversal vulnerability in GaussDB 200 version 6.5.1.