CVE-2023-0969 : Exploit Details and Defense Strategies

This CVE-2023-0969 report was published on June 21, 2023, by Silabs. It highlights a vulnerability in SiLabs Z/IP Gateway 7.18.01 and earlier versions that allows an authenticated attacker within Z-Wave range to manipulate an array pointer, potentially leading to the disclosure of global memory contents.

Understanding CVE-2023-0969

This section delves into the details of CVE-2023-0969, including the vulnerability's description, impact, affected systems, exploitation mechanism, and mitigation techniques.

What is CVE-2023-0969?

The vulnerability identified in CVE-2023-0969 pertains to an issue in SiLabs Z/IP Gateway 7.18.01 and earlier versions. It enables an authenticated attacker within Z-Wave range to exploit an array pointer manipulation flaw, potentially revealing sensitive information from global memory.

The Impact of CVE-2023-0969

The impact of CVE-2023-0969 is classified under CAPEC-540 - Overread Buffers. With a CVSSv3.1 base score of 3.5 (Low), this vulnerability poses a risk to confidentiality (Low) as an attacker can disclose the contents of global memory within the affected systems.

Technical Details of CVE-2023-0969

This section provides a deeper insight into the technical aspects of CVE-2023-0969, covering the vulnerability description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The vulnerability in SiLabs Z/IP Gateway 7.18.01 and earlier versions enables an authenticated attacker within Z-Wave range to manipulate an array pointer, leading to the disclosure of global memory contents.

Affected Systems and Versions

The vulnerability affects the Z/IP Gateway product by Silicon Labs, specifically versions up to 7.18.01, while version 7.18.03 is reported as unaffected.

Exploitation Mechanism

An authenticated attacker within Z-Wave range can exploit this vulnerability by manipulating an array pointer, thereby accessing and disclosing the contents of global memory.

Mitigation and Prevention

To safeguard against the risks associated with CVE-2023-0969, immediate steps can be taken along with long-term security practices and software patching.

Immediate Steps to Take

It is recommended to restrict network access to the Z/IP Gateway and ensure proper authentication protocols are in place to prevent unauthorized users from exploiting the array pointer manipulation.

Long-Term Security Practices

Implement regular security audits and timely software updates to address vulnerabilities and enhance the overall security posture of the affected systems.

Patching and Updates

Silicon Labs may release patches or updates to address the array pointer manipulation vulnerability in SiLabs Z/IP Gateway 7.18.01 and earlier versions. It is crucial for users to apply these patches promptly to mitigate the security risks associated with CVE-2023-0969.