CVE-2023-50965 : What You Need to Know
Learn about CVE-2023-50965, a stack-based buffer overflow vulnerability in MicroHttpServer that could allow remote code execution via a crafted URI. Find out the impact, affected systems, and mitigation steps.
A stack-based buffer overflow vulnerability, CVE-2023-50965 in MicroHttpServer, can lead to potential remote code execution due to a flaw in _ReadStaticFiles in lib/middleware.c.
Understanding CVE-2023-50965
This section provides an insight into the nature and impact of CVE-2023-50965.
What is CVE-2023-50965?
CVE-2023-50965 is a vulnerability in MicroHttpServer that allows an attacker to trigger a stack-based buffer overflow by exploiting the _ReadStaticFiles function in lib/middleware.c, potentially enabling remote code execution through a long URI.
The Impact of CVE-2023-50965
The impact of CVE-2023-50965 is severe as it can be leveraged by malicious actors to execute arbitrary code on the affected system, leading to unauthorized access, data theft, or further system compromise.
Technical Details of CVE-2023-50965
This section dives deeper into the technical aspects of CVE-2023-50965.
Vulnerability Description
_ReadStaticFiles in lib/middleware.c in MicroHttpServer through 4398570 allows a stack-based buffer overflow and potential remote code execution via a long URI.
Affected Systems and Versions
The vulnerability affects MicroHttpServer versions up to and including 4398570, putting systems with this software version at risk of exploitation.
Exploitation Mechanism
Exploiting CVE-2023-50965 requires crafting a specially designed URI that triggers the buffer overflow in the _ReadStaticFiles function, leading to the execution of arbitrary code by the attacker.
Mitigation and Prevention
To safeguard systems from CVE-2023-50965, immediate and long-term security measures need to be implemented.
Immediate Steps to Take
Users are advised to apply relevant patches and updates provided by the software vendor to mitigate the vulnerability. Additionally, access controls and network segmentation can limit the attack surface.
Long-Term Security Practices
In the long run, implementing secure coding practices, regular security audits, and employee training on identifying and reporting potential security issues can enhance overall system security.
Patching and Updates
It is crucial to regularly monitor for security advisories from MicroHttpServer and promptly apply patches and updates to address known vulnerabilities and bolster system defense mechanisms.