BlueZ Phone Book Access Profile heap-based overflow

Summaryinfo

A vulnerability identified as critical has been detected in BlueZ. This affects an unknown function of the component Phone Book Access Profile. This manipulation causes heap-based overflow. The identification of this vulnerability is CVE-2023-50230. The attack needs to be done within the local network. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in BlueZ (affected version not known). Affected by this vulnerability is some unknown functionality 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 summary by CVE is:

BlueZ Phone Book Access Profile Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of BlueZ. User interaction is required to exploit this vulnerability in that the target must connect to a malicious Bluetooth device. The specific flaw exists within the handling of the Phone Book Access profile. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-20938.

The weakness was shared 12/20/2023 as ZDI-23-1812. The advisory is shared at zerodayinitiative.com. This vulnerability is known as CVE-2023-50230 since 12/05/2023. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available.

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.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (210817). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

• BlueZ

License

• open-source

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

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If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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