Learn about CVE-2023-34552, a critical vulnerability in EZVIZ cameras allowing remote code execution. Find impacted systems, exploit details, and mitigation steps.
In certain EZVIZ products, a vulnerability exists that can allow an unauthenticated attacker to achieve remote code execution. This CVE affects specific firmware versions of various EZVIZ cameras.
Understanding CVE-2023-34552
This section delves into the details of the vulnerability, its impact, affected systems, and mitigation strategies.
What is CVE-2023-34552?
CVE-2023-34552 involves two stack-based buffer overflows in the SADP multicast protocol of EZVIZ products, enabling remote code execution by an attacker on the local network.
The Impact of CVE-2023-34552
The impact of this CVE is significant as it allows unauthorized individuals to execute malicious code on affected devices, potentially compromising user data and device functionality.
Technical Details of CVE-2023-34552
This section provides a detailed overview of the vulnerability, including its description, affected systems, and exploitation mechanism.
Vulnerability Description
The vulnerability stems from stack-based buffer overflows in the mulicast_parse_sadp_packet and mulicast_get_pack_type functions of the SADP multicast protocol in EZVIZ products.
Affected Systems and Versions
CVE-2023-34552 impacts multiple EZVIZ camera models running specific firmware versions, such as CS-C6N-B0-1G2WF, CS-CV310-A0-1B2WFR, CS-C6N-R101-1G2WF, and more, before respective build numbers.
Exploitation Mechanism
An unauthenticated attacker residing on the same local network as the vulnerable EZVIZ camera can exploit the buffer overflows to achieve remote code execution.
Mitigation and Prevention
Understanding the steps to mitigate and prevent the exploitation of CVE-2023-34552 is crucial for ensuring the security of EZVIZ products.
Immediate Steps to Take
To address this vulnerability, immediate actions such as updating firmware to the latest secure versions, isolating vulnerable devices, and enhancing network security are essential.
Long-Term Security Practices
In the long term, implementing robust security measures, conducting regular security audits, and staying informed about security best practices are key to safeguarding against similar vulnerabilities.
Patching and Updates
EZVIZ users are advised to regularly check for firmware updates, apply patches promptly, and follow security advisories from the vendor to mitigate the risks associated with CVE-2023-34552.