CVE-2023-44431 — HIGH (8.0)

Vulnerability Description

BlueZ Audio Profile AVRCP Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code 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 the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-19909.

CVSS Score

8.0

HIGH

CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Bluez	Bluez	5.66

Related Weaknesses (CWE)

CWE-121

References

https://www.zerodayinitiative.com/advisories/ZDI-23-1900/Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-23-1900/Third Party Advisory

FAQ

What is CVE-2023-44431?

CVE-2023-44431 is a vulnerability with a CVSS score of 8.0 (HIGH). BlueZ Audio Profile AVRCP Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code via Bluetooth on affected inst...

How severe is CVE-2023-44431?

CVE-2023-44431 has been rated HIGH with a CVSS base score of 8.0/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-44431?

Check the references section above for vendor advisories and patch information. Affected products include: Bluez Bluez.