CVE-2021-35977 : Vulnerability Insights and Analysis
Discover the buffer overflow vulnerability in Digi RealPort for Windows through version 4.8.488.0 (CVE-2021-35977) allowing attackers to execute arbitrary code. Learn how to mitigate and prevent this security risk.
A buffer overflow vulnerability was discovered in Digi RealPort for Windows through version 4.8.488.0, specifically in the handling of ADDP discovery response messages, which could allow an attacker to execute arbitrary code.
Understanding CVE-2021-35977
This section provides insights into the nature of the CVE-2021-35977 vulnerability.
What is CVE-2021-35977?
CVE-2021-35977 is a buffer overflow vulnerability in Digi RealPort for Windows, allowing potential arbitrary code execution by attackers.
The Impact of CVE-2021-35977
The vulnerability could be exploited by malicious actors to execute unauthorized code on affected systems, potentially leading to a complete compromise of the system.
Technical Details of CVE-2021-35977
Delve into the specific technical aspects of the CVE-2021-35977 vulnerability.
Vulnerability Description
The buffer overflow occurs in the handling of ADDP discovery response messages in Digi RealPort for Windows versions up to 4.8.488.0, providing an avenue for arbitrary code execution.
Affected Systems and Versions
All versions of Digi RealPort for Windows up to 4.8.488.0 are impacted by this vulnerability, potentially putting a wide range of systems at risk.
Exploitation Mechanism
Attackers can exploit this vulnerability by crafting malicious ADDP discovery response messages to trigger the buffer overflow and execute arbitrary code.
Mitigation and Prevention
Explore the recommended steps to mitigate and prevent exploitation of CVE-2021-35977.
Immediate Steps to Take
Immediately apply patches or updates provided by the vendor to address the vulnerability in Digi RealPort for Windows.
Long-Term Security Practices
Employ robust network security measures, such as network segmentation and access controls, to reduce the risk of successful exploitation of similar vulnerabilities in the future.
Patching and Updates
Regularly monitor for security advisories from Digi International and promptly apply any patches or updates released to address known vulnerabilities.