Out-of-bounds Read in Bluez
CVE-2023-51594
BlueZ OBEX Library Out-Of-Bounds Read Information Disclosure Vulnerability. This vulnerability allows network-adjacent attackers to disclose sensitive information 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 OBEX protocol parameters. 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-20937.
Vulnerability class: Buffer Overflow
EPSS: 0.009 (57.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.7 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.
Affected products
- Bluez — versions 5.66
Weakness classification (CWE)
References
- zdi-disclosures@trendmicro.com (x_research-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2023-51594?
- CVE-2023-51594 is a medium-severity vulnerability in Bluez, classified under Out-of-bounds Read. CVSS score: 5.7/10. Published 2024-05-03.
- How severe is CVE-2023-51594?
- Medium severity. CVSS v3 base score is 5.7 out of 10.