CVE-2023-45225 : What You Need to Know

Zavio IP Camera Stack-Based Buffer Overflow

Understanding CVE-2023-45225

Zavio IP cameras with firmware version M2.1.6.05 are vulnerable to stack-based buffer overflows, potentially leading to remote code execution.

What is CVE-2023-45225?

Zavio IP cameras, including models CF7500, CF7300, CF7201, CF7501, CB3211, CB3212, CB5220, CB6231, B8520, B8220, and CD321, are affected by stack-based buffer overflows due to insufficient validation of buffer size while parsing certain XML elements from incoming network requests.

The Impact of CVE-2023-45225

The vulnerability allows attackers to exploit the stack-based buffer overflow, potentially leading to remote code execution with high confidentiality, integrity, and availability impact.

Technical Details of CVE-2023-45225

Vulnerability Description

The Zavio IP cameras with firmware version M2.1.6.05 are vulnerable to multiple instances of stack-based overflows, enabling attackers to execute remote code by exploiting the inadequate buffer size validation during XML parsing.

Affected Systems and Versions

IP Camera models CF7500, CF7300, CF7201, CF7501, CB3211, CB3212, CB5220, CB6231, B8520, B8220, and CD321 with firmware version M2.1.6.05 are impacted by this vulnerability.

Exploitation Mechanism

The vulnerability arises from the lack of proper buffer size validation during the parsing of specific XML elements from incoming network requests, allowing threat actors to execute remote code.

Mitigation and Prevention

Immediate Steps to Take

As the affected Zavio IP camera models are end-of-life with no available fixes or updates due to the vendor's inactive status, users are strongly advised by CISA to discontinue the use of the affected products to prevent exploitation of this vulnerability.

Long-Term Security Practices

In the absence of firmware updates or mitigations from the vendor, users should consider upgrading to newer, supported camera models from active vendors to ensure continued security and protection against vulnerabilities.

Patching and Updates

Given the lack of support from Zavio for the affected products, users are encouraged to migrate to alternative solutions from vendors that provide regular security updates and support to mitigate risks associated with end-of-life products.