CVE-2020-5344 : Exploit Details and Defense Strategies

Dell EMC iDRAC7, iDRAC8, and iDRAC9 versions prior to 2.65.65.65, 2.70.70.70, 4.00.00.00 contain a stack-based buffer overflow vulnerability that could allow remote attackers to crash processes or execute arbitrary code.

Understanding CVE-2020-5344

This CVE involves a critical vulnerability in Dell's Integrated Dell Remote Access Controller (iDRAC) versions.

What is CVE-2020-5344?

CVE-2020-5344 is a stack-based buffer overflow vulnerability in Dell EMC iDRAC7, iDRAC8, and iDRAC9 versions, allowing unauthenticated remote attackers to exploit the system.

The Impact of CVE-2020-5344

The vulnerability has a CVSS base score of 7 (High), with a potential for crashing processes or executing arbitrary code remotely.

Technical Details of CVE-2020-5344

This section provides more in-depth technical insights into the vulnerability.

Vulnerability Description

The vulnerability is a stack-based buffer overflow in iDRAC versions, enabling attackers to send specially crafted input data to crash processes or execute arbitrary code.

Affected Systems and Versions

Product: Integrated Dell Remote Access Controller (iDRAC)
Vendor: Dell
Versions Affected: < 2.65.65.65

Exploitation Mechanism

Attack Complexity: High
Attack Vector: Network
Availability Impact: High
Privileges Required: None
User Interaction: None
Scope: Unchanged
Confidentiality Impact: Low
Integrity Impact: Low

Mitigation and Prevention

Protecting systems from CVE-2020-5344 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update iDRAC versions to 2.65.65.65 or higher to mitigate the vulnerability.
Monitor network traffic for any suspicious activities.

Long-Term Security Practices

Regularly update and patch all software and firmware to prevent vulnerabilities.
Implement network segmentation to limit the impact of potential attacks.

Patching and Updates

Apply security patches provided by Dell promptly to address the vulnerability.