CVE-2020-4759 : Exploit Details and Defense Strategies

IBM FileNet Content Manager versions 5.5.4 and 5.5.5 are potentially vulnerable to CSV Injection, allowing remote attackers to execute arbitrary commands due to improper validation of CSV file contents.

Understanding CVE-2020-4759

IBM FileNet Content Manager versions 5.5.4 and 5.5.5 are affected by a CSV Injection vulnerability, potentially leading to unauthorized command execution.

What is CVE-2020-4759?

CVE-2020-4759 is a vulnerability in IBM FileNet Content Manager versions 5.5.4 and 5.5.5 that could be exploited by remote attackers to run arbitrary commands on the system. The issue arises from the inadequate validation of CSV file contents.

The Impact of CVE-2020-4759

The vulnerability has a CVSSv3 base score of 7 (High severity) with a high impact on confidentiality, integrity, and availability of the affected systems. The attack complexity is high, and no privileges are required for exploitation.

Technical Details of CVE-2020-4759

IBM FileNet Content Manager versions 5.5.4 and 5.5.5 are susceptible to CSV Injection, posing a significant security risk.

Vulnerability Description

The vulnerability allows remote attackers to execute arbitrary commands on the system by manipulating CSV file contents due to the lack of proper validation mechanisms.

Affected Systems and Versions

Product: FileNet Content Manager
Vendor: IBM
Vulnerable Versions: 5.5.4, 5.5.5

Exploitation Mechanism

Attack Vector: Local
Attack Complexity: High
Privileges Required: None
User Interaction: Required

Mitigation and Prevention

Immediate action is crucial to mitigate the risks associated with CVE-2020-4759.

Immediate Steps to Take

Apply official fixes provided by IBM to address the vulnerability.
Monitor and restrict access to potentially vulnerable systems.
Educate users on safe handling of CSV files to prevent exploitation.

Long-Term Security Practices

Regularly update and patch FileNet Content Manager to protect against known vulnerabilities.
Implement network segmentation and access controls to limit the impact of potential attacks.
Conduct security assessments and audits to identify and remediate security gaps.

Patching and Updates

Stay informed about security bulletins and updates from IBM regarding FileNet Content Manager.
Promptly apply patches and security updates to ensure the system is protected against known vulnerabilities.