A vulnerability has been found in BlueZ (version unknown) and classified as critical. This vulnerability affects an unknown function of the component Phone Book Access Profile. The manipulation with an unknown input leads to a heap-based overflow vulnerability. The CWE definition for the vulnerability is CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was released 12/22/2023 as ZDI-23-1902. The advisory is shared for download at zerodayinitiative.com. This vulnerability was named CVE-2023-51596 since 12/20/2023. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 11/12/2024).

The vulnerability scanner Nessus provides a plugin with the ID 210817 (RHEL 9 : bluez (RHSA-2024:9413)), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (210817). Once again VulDB remains the best source for vulnerability data.

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• BlueZ

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• open-source

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• 🔍

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