#VU66639 Heap-based buffer overflow in BlueZ - CVE-2022-0204

Vulnerability identifier: #VU66639

Vulnerability risk: Low

CVSSv4.0: 1.3 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-0204

CWE-ID: CWE-122

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
BlueZ
Universal components / Libraries / Libraries used by multiple products

Vendor: BlueZ Project

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error. A remote attacker on the local network can pass specially crafted files to the affected system, trigger a heap-based buffer overflow and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

BlueZ: 5.0 - 5.62

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External links
https://bugzilla.redhat.com/show_bug.cgi?id=2039807
https://github.com/bluez/bluez/security/advisories/GHSA-479m-xcq5-9g2q
https://github.com/bluez/bluez/commit/591c546c536b42bef696d027f64aa22434f8c3f0

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.