CVE-2021-33546 Explained : Impact and Mitigation
Discover how CVE-2021-33546 impacts camera devices by UDP Technology and Geutebrück with a stack-based buffer overflow, allowing remote code execution. Learn the technical details and mitigation steps.
Multiple camera devices by UDP Technology, Geutebrück, and other vendors are vulnerable to a stack-based buffer overflow in the name parameter, potentially enabling remote code execution.
Understanding CVE-2021-33546
This CVE impacts various camera devices by different vendors due to a buffer overflow vulnerability in the name parameter, allowing threat actors to execute arbitrary code remotely.
What is CVE-2021-33546?
The CVE-2021-33546 vulnerability involves a stack-based buffer overflow in the name parameter of camera devices, posing a high risk to confidentiality, integrity, and availability.
The Impact of CVE-2021-33546
With a CVSS base score of 7.2, this CVE has a high severity level by allowing attackers to exploit the buffer overflow remotely and potentially compromise the affected camera devices.
Technical Details of CVE-2021-33546
The vulnerability description, affected systems, and exploitation mechanism.
Vulnerability Description
The CVE-2021-33546 vulnerability is classified as CWE-121, involving a stack-based buffer overflow in the name parameter of camera devices, leading to the potential execution of arbitrary code.
Affected Systems and Versions
Impacted systems include the E2 Series and Encoder G-Code from Geutebrück with specific affected versions detailed in the CVE description.
Exploitation Mechanism
Threat actors can exploit the vulnerability remotely through the stack-based buffer overflow in the name parameter, requiring no user interaction and high privileges for successful execution.
Mitigation and Prevention
Preventive measures and steps to mitigate the impact of CVE-2021-33546.
Immediate Steps to Take
Immediately applying patches, disabling unnecessary services, and ensuring network segmentation can help mitigate the risk associated with this CVE.
Long-Term Security Practices
Implementing regular security updates, conducting security audits, and employing strong access controls can enhance long-term security posture.
Patching and Updates
Vendors like Geutebrück may release patches to address the buffer overflow vulnerability, which users should promptly apply to secure their camera devices.