BlueZ Audio Profile AVRCP parse_media_folder out-of-bounds

Summaryinfo

A vulnerability classified as problematic has been found in BlueZ. This issue affects the function parse_media_folder of the component Audio Profile AVRCP. Performing a manipulation results in out-of-bounds. This vulnerability is known as CVE-2023-51592. Access to the local network is required for this attack. No exploit is available.

Detailsinfo

A vulnerability, which was classified as problematic, was found in BlueZ (version now known). This affects the function parse_media_folder of the component Audio Profile AVRCP. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality. The summary by CVE is:

BlueZ Audio Profile AVRCP parse_media_folder Out-Of-Bounds Read Information Disclosure Vulnerability. This vulnerability allows network-adjacent attackers to disclose sensitive information via Bluetooth on affected installations of BlueZ. User interaction is required to exploit this vulnerability in that the target must connect to a malicious device. The specific flaw exists within the handling of the AVRCP protocol. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of root. Was ZDI-CAN-20854.

The weakness was published 12/22/2023 as ZDI-23-1905. It is possible to read the advisory at zerodayinitiative.com. This vulnerability is uniquely identified as CVE-2023-51592 since 12/20/2023. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit.

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). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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Name

• BlueZ

License

• open-source

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Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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