CVE-2021-23850 : What You Need to Know
Learn about CVE-2021-23850, a Buffer Overflow vulnerability in Bosch CPP Firmware that could lead to remote code execution. Find mitigation steps and update information here.
A Buffer Overflow vulnerability in the recovery image telnet server of Bosch CPP Firmware allows for potential remote code execution through a specially crafted TCP/IP packet. This CVE was published on May 20, 2021, with a CVSS base score of 6.8.
Understanding CVE-2021-23850
This section delves into the details of the Buffer Overflow vulnerability in Bosch CPP Firmware.
What is CVE-2021-23850?
The vulnerability in the recovery image telnet server of Bosch CPP Firmware can lead to system crash and possible remote code execution through a buffer overflow scenario.
The Impact of CVE-2021-23850
The impact of this CVE is considered medium with high confidentiality and integrity impacts, and a high availability impact. Attackers can exploit this vulnerability to potentially execute remote code.
Technical Details of CVE-2021-23850
Explore the technical aspects of the Buffer Overflow vulnerability in the recovery image telnet server.
Vulnerability Description
A specially crafted TCP/IP packet can crash the camera recovery image telnet interface and lead to a buffer overflow, enabling remote code execution.
Affected Systems and Versions
The affected platforms include CPP4, CPP6, CPP7, and CPP7.3, with all versions of CPP Firmware being impacted by this vulnerability.
Exploitation Mechanism
The vulnerability can be exploited through a buffer overflow scenario when interacting with the camera's recovery image telnet server.
Mitigation and Prevention
Discover the necessary steps to mitigate and prevent exploitation of CVE-2021-23850.
Immediate Steps to Take
It is crucial to apply patches and updates provided by Bosch to remediate this vulnerability. Ensure strict access control to prevent unauthorized interactions with the camera.
Long-Term Security Practices
Implement strong security measures, such as network segmentation, to limit access to critical systems. Regularly update firmware and monitor for any unusual activities.
Patching and Updates
Stay informed about security advisories from Bosch and promptly apply relevant patches and updates to safeguard against potential threats.