CVE-2021-36347 : Vulnerability Insights and Analysis
Learn about CVE-2021-36347 affecting iDRAC products by Dell. Discover the impact, technical details, and mitigation steps for this stack-based buffer overflow vulnerability.
This article discusses the CVE-2021-36347 vulnerability found in Integrated Dell Remote Access Controller (iDRAC) products and its impact on system security.
Understanding CVE-2021-36347
This section covers the details of the CVE-2021-36347 vulnerability affecting certain versions of iDRAC, particularly iDRAC9 and iDRAC8.
What is CVE-2021-36347?
iDRAC9 versions prior to 5.00.20.00 and iDRAC8 versions prior to 2.82.82.82 contain a stack-based buffer overflow vulnerability. An attacker with high privileges could potentially exploit this to control process execution and gain unauthorized access to the iDRAC operating system.
The Impact of CVE-2021-36347
The CVSS score for this vulnerability is 6.2, indicating a medium severity level. It poses a high risk to confidentiality and integrity, with a potential attack vector through the network.
Technical Details of CVE-2021-36347
In this section, we delve into the technical aspects of the CVE-2021-36347 vulnerability.
Vulnerability Description
The vulnerability involves a stack-based buffer overflow in iDRAC9 and iDRAC8 versions, allowing a remote attacker to potentially take control of the system.
Affected Systems and Versions
The affected versions include iDRAC9 versions prior to 5.00.20.00 and iDRAC8 versions prior to 2.82.82.82, impacting systems running these outdated versions.
Exploitation Mechanism
An authenticated remote attacker with high privileges could exploit this vulnerability to manipulate process execution and gain unauthorized access.
Mitigation and Prevention
Protecting systems against CVE-2021-36347 is crucial to maintaining security. Here are some steps to mitigate the risk and prevent exploitation.
Immediate Steps to Take
Immediately update affected iDRAC versions to iDRAC9: 5.00.20.00 and iDRAC8: 2.82.82.82 to patch the vulnerability and enhance system security.
Long-Term Security Practices
Regularly monitor for security updates and apply patches promptly to prevent exposure to known vulnerabilities like CVE-2021-36347.
Patching and Updates
Stay informed about the latest security advisories from Dell and other relevant sources to ensure your systems are protected from emerging threats.