CVE-2019-3705 : What You Need to Know
Learn about CVE-2019-3705, a critical buffer overflow vulnerability in Dell EMC iDRAC6, iDRAC7, iDRAC8, and iDRAC9 versions. Understand the impact, affected systems, exploitation, and mitigation steps.
Dell EMC iDRAC6 versions prior to 2.92, iDRAC7/iDRAC8 versions prior to 2.61.60.60, and iDRAC9 versions prior to 3.20.21.20, 3.21.24.22, 3.21.26.22, and 3.23.23.23 contain a stack-based buffer overflow vulnerability. An unauthenticated remote attacker may potentially exploit this vulnerability to crash the webserver or execute arbitrary code on the system with privileges of the webserver by sending specially crafted input data to the affected system.
Understanding CVE-2019-3705
This CVE involves a critical buffer overflow vulnerability in Dell EMC iDRAC systems.
What is CVE-2019-3705?
A stack-based buffer overflow vulnerability in Dell EMC iDRAC6, iDRAC7, iDRAC8, and iDRAC9 versions allows remote attackers to compromise system integrity.
The Impact of CVE-2019-3705
The vulnerability poses a high risk, with the potential for unauthorized code execution and server crashes.
Technical Details of CVE-2019-3705
This section delves into the specifics of the vulnerability.
Vulnerability Description
The vulnerability allows remote attackers to exploit the buffer overflow, potentially leading to server crashes or arbitrary code execution.
Affected Systems and Versions
- iDRAC6 versions < 2.92
- iDRAC7/iDRAC8 versions < 2.61.60.60
- iDRAC9 versions < 3.20.21.20, 3.21.24.22, 3.21.26.22, 3.23.23.23
Exploitation Mechanism
- Attack Complexity: High
- Attack Vector: Network
- Privileges Required: None
- User Interaction: None
- Scope: Unchanged
- CVSS Score: 8.1 (High)
Mitigation and Prevention
Protecting systems from this vulnerability is crucial.
Immediate Steps to Take
- Apply patches provided by Dell EMC promptly.
- Implement network security measures to restrict unauthorized access.
- Monitor system logs for any suspicious activities.
Long-Term Security Practices
- Regularly update and patch all software and firmware.
- Conduct security audits and penetration testing to identify vulnerabilities.
- Educate users on safe computing practices to prevent social engineering attacks.
Patching and Updates
- Dell EMC has released patches to address the vulnerability.
- Regularly check for updates and apply them to ensure system security.