CVE-2020-4703 : Security Advisory and Response

IBM Spectrum Protect Plus versions 10.1.0 through 10.1.6 are vulnerable to an attack that could allow an authenticated user to upload arbitrary files, potentially leading to code execution on the server.

Understanding CVE-2020-4703

This CVE involves a security vulnerability in IBM Spectrum Protect Plus versions 10.1.0 through 10.1.6 that could be exploited by an authenticated attacker.

What is CVE-2020-4703?

IBM Spectrum Protect Plus 10.1.0 through 10.1.6 Administrative Console could allow an authenticated attacker to upload arbitrary files, potentially leading to arbitrary code execution on the vulnerable server.

The Impact of CVE-2020-4703

CVSS Base Score: 8 (High)
Attack Vector: Network
Confidentiality Impact: High
Integrity Impact: High
Availability Impact: High
Privileges Required: Low
User Interaction: Required
Exploit Code Maturity: Unproven
This vulnerability has a high severity rating due to its potential impact on confidentiality, integrity, and availability.

Technical Details of CVE-2020-4703

This section provides more in-depth technical details about the vulnerability.

Vulnerability Description

The vulnerability allows an authenticated attacker to upload arbitrary files, which could result in the execution of arbitrary code on the affected server.

Affected Systems and Versions

Affected Systems: IBM Spectrum Protect Plus
Affected Versions: 10.1.0, 10.1.6

Exploitation Mechanism

The vulnerability is due to an incomplete fix for a previous CVE (CVE-2020-4470), which allows attackers to exploit the administrative console to upload malicious files.

Mitigation and Prevention

To address CVE-2020-4703 and enhance overall security, follow these mitigation strategies:

Immediate Steps to Take

Apply the official fix provided by IBM to address the vulnerability.
Monitor for any unauthorized file uploads or suspicious activities on the server.

Long-Term Security Practices

Regularly update and patch the IBM Spectrum Protect Plus software to prevent known vulnerabilities.
Implement strong authentication mechanisms to prevent unauthorized access to the administrative console.
Conduct security training for users to recognize and report suspicious activities.

Patching and Updates

Stay informed about security bulletins and updates from IBM to apply patches promptly and ensure the system's security.