CVE-2021-34201 Explained : Impact and Mitigation
Discover the impact of CVE-2021-34201 affecting D-Link DIR-2640-US 1.01B04 due to Buffer Overflow. Learn about the vulnerability, affected systems, and mitigation steps.
D-Link DIR-2640-US 1.01B04 is vulnerable to Buffer Overflow, leading to multiple out-of-bounds vulnerabilities in specific processes of D-Link AC2600(DIR-2640). This vulnerability allows local ordinary users to overwrite global variables in the .bss section, resulting in process crashes or modifications.
Understanding CVE-2021-34201
This section will provide insights into the CVE-2021-34201 vulnerability affecting D-Link DIR-2640-US 1.01B04.
What is CVE-2021-34201?
The CVE-2021-34201 vulnerability exposes D-Link DIR-2640-US 1.01B04 to Buffer Overflow risks, permitting unauthorized users to manipulate global variables, causing severe consequences.
The Impact of CVE-2021-34201
The impact of CVE-2021-34201 includes the potential for process crashes or unauthorized modifications due to out-of-bounds vulnerabilities in the system.
Technical Details of CVE-2021-34201
Delve into the technical aspects of CVE-2021-34201 to understand its nature thoroughly.
Vulnerability Description
The vulnerability in D-Link DIR-2640-US 1.01B04 exposes the system to Buffer Overflow, enabling unauthorized users to interfere with global variables.
Affected Systems and Versions
The affected system is D-Link AC2600(DIR-2640) with version 1.01B04, susceptible to the out-of-bounds vulnerabilities discussed.
Exploitation Mechanism
Local ordinary users can exploit the vulnerability by overwriting global variables in the .bss section, leading to process crashes or unauthorized changes.
Mitigation and Prevention
Explore the necessary steps and practices to mitigate the risks posed by CVE-2021-34201.
Immediate Steps to Take
Immediately address the vulnerability by implementing proper security measures and controls to prevent unauthorized access.
Long-Term Security Practices
Establish a robust security posture by conducting regular security audits, implementing access controls, and enhancing system monitoring.
Patching and Updates
Stay informed about patches and updates released by D-Link to address the CVE-2021-34201 vulnerability effectively.