CVE-2023-49351 Explained : Impact and Mitigation
Learn about CVE-2023-49351 stack-based buffer overflow vulnerability in Edimax BR6478AC V2 firmware version v1.23. Find out the impact, affected systems, exploitation, and mitigation steps.
A stack-based buffer overflow vulnerability in /bin/webs binary in Edimax BR6478AC V2 firmware veraion v1.23 allows attackers to overwrite other values located on the stack due to an incorrect use of the strcpy() function.
Understanding CVE-2023-49351
This section delves into the details of CVE-2023-49351.
What is CVE-2023-49351?
CVE-2023-49351 is a stack-based buffer overflow vulnerability found in /bin/webs binary in Edimax BR6478AC V2 firmware version v1.23. This vulnerability allows attackers to overwrite other values on the stack due to incorrect implementation of the strcpy() function.
The Impact of CVE-2023-49351
The impact of CVE-2023-49351 includes the risk of attackers being able to exploit the vulnerability to potentially execute arbitrary code or perform other malicious activities on affected systems.
Technical Details of CVE-2023-49351
This section provides a deeper dive into the technical aspects of CVE-2023-49351.
Vulnerability Description
The vulnerability arises from a stack-based buffer overflow in the /bin/webs binary, allowing attackers to overwrite stack values, leading to potential code execution.
Affected Systems and Versions
The affected system is Edimax BR6478AC V2 firmware version v1.23. Other versions or products may also be impacted.
Exploitation Mechanism
Attackers can exploit this vulnerability by crafting a specific payload to trigger the buffer overflow, potentially gaining control over the target system.
Mitigation and Prevention
This section outlines steps to mitigate and prevent exploitation of CVE-2023-49351.
Immediate Steps to Take
Immediately disable any remote access to the affected system and apply vendor-supplied patches or updates to address the vulnerability.
Long-Term Security Practices
Deploy network segmentation, regularly update firmware, and conduct security assessments to enhance overall system security.
Patching and Updates
Regularly check for vendor patches and updates, and apply them promptly to ensure system security.