#VU23112 Out-of-bounds read in BlueZ - CVE-2016-9918

Vulnerability identifier: #VU23112

Vulnerability risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2016-9918

CWE-ID: CWE-125

Exploitation vector: Local

Exploit availability: No

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

Vendor: BlueZ Project

Description

The vulnerability allows a local user to perform denial of service (DoS) attack.

The vulnerability exists due to a boundary condition within the "packet_hexdump()" function in monitor/packet.c. A local user can pass a specially crafted dump file, trigger a buffer overflow and crash hcidump.

Mitigation
Install update from vendor's website.

Vulnerable software versions

BlueZ: 5.42

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External links
https://www.spinics.net/lists/linux-bluetooth/msg68898.html

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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