Learn about the critical vulnerability in Zavio IP Cameras, CVE-2023-43755, leading to stack-based overflows and remote code execution with a high impact on confidentiality, integrity, and availability.
A detailed article outlining the CVE-2023-43755 vulnerability in Zavio IP Cameras and its impact, technical details, and mitigation steps.
Understanding CVE-2023-43755
This section provides insight into the vulnerability identified in Zavio IP Cameras.
What is CVE-2023-43755?
The Zavio IP Cameras models CF7500, CF7300, CF7201, CF7501, CB3211, CB3212, CB5220, CB6231, B8520, B8220, and CD321 with firmware version M2.1.6.05 are susceptible to stack-based overflows. This vulnerability arises from inadequate input validation during the processing of XML elements, potentially leading to remote code execution.
The Impact of CVE-2023-43755
The vulnerability poses a critical threat with a CVSS base score of 9.8, allowing attackers to exploit network vulnerabilities for high confidentiality, integrity, and availability impact.
Technical Details of CVE-2023-43755
Explore the specific technical aspects of CVE-2023-43755 to better understand the nature of the security flaw in Zavio IP Cameras.
Vulnerability Description
The vulnerability results from stack-based overflows in Zavio IP Cameras, enabling attackers to execute arbitrary code by manipulating XML elements in network requests.
Affected Systems and Versions
Zavio IP Cameras including CF7500, CF7300, CF7201, CF7501, CB3211, CB3212, CB5220, CB6231, B8520, B8220, and CD321 running firmware version M2.1.6.05 are affected.
Exploitation Mechanism
Attackers can exploit this vulnerability through network-based attacks, leveraging the lack of input validation in XML parsing to trigger remote code execution.
Mitigation and Prevention
Discover the necessary steps to mitigate the risks posed by CVE-2023-43755 and secure Zavio IP Cameras.
Immediate Steps to Take
Due to the vendor's end-of-life status and lack of available updates, users are advised to discontinue the use of affected Zavio IP Camera models.
Long-Term Security Practices
Users should adopt robust network security measures, implement segmentation, and restrict access to vulnerable devices to prevent unauthorized exploitation.
Patching and Updates
As the vendor is inactive, users are encouraged to explore alternative secure IP Camera solutions and regularly monitor for security advisories.