CVE-2020-4270 : What You Need to Know

IBM QRadar 7.3.0 to 7.3.3 Patch 2 could allow a local user to gain escalated privileges due to weak file permissions.

Understanding CVE-2020-4270

IBM QRadar vulnerability allowing local privilege escalation.

What is CVE-2020-4270?

CVE-2020-4270 is a vulnerability in IBM QRadar versions 7.3.0 to 7.3.3 Patch 2 that enables a local user to elevate their privileges due to insecure file permissions.

The Impact of CVE-2020-4270

CVSS Base Score: 8.4 (High)
Attack Vector: Local
Confidentiality Impact: High
Integrity Impact: High
Availability Impact: High
Exploit Code Maturity: Unproven
Privileges Required: None
User Interaction: None
Remediation Level: Official Fix
Report Confidence: Confirmed

Technical Details of CVE-2020-4270

Details on the vulnerability affecting IBM QRadar.

Vulnerability Description

The vulnerability allows a local user to gain escalated privileges due to weak file permissions in IBM QRadar versions 7.3.0 to 7.3.3 Patch 2.

Affected Systems and Versions

Affected Versions:
QRadar 7.3.3 Patch 2
QRadar 7.3.0

Exploitation Mechanism

The vulnerability can be exploited by a local user to manipulate file permissions and gain elevated privileges.

Mitigation and Prevention

Steps to mitigate and prevent the CVE-2020-4270 vulnerability.

Immediate Steps to Take

Apply official fixes provided by IBM.
Monitor system logs for any unauthorized privilege escalations.
Restrict access to sensitive system files.

Long-Term Security Practices

Regularly update and patch IBM QRadar to the latest version.
Implement the principle of least privilege to limit user access rights.
Conduct regular security audits and vulnerability assessments.

Patching and Updates

IBM has released patches to address the vulnerability in affected versions of QRadar.