#VU23114 Out-of-bounds read in BlueZ - CVE-2016-9803

Vulnerability identifier: #VU23114

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-2016-9803

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 a denial of service attack.

The vulnerability exists due to a boundary condition within the le_meta_ev_dump() function in tools/parser/hci.c. A local user can pass a specially crafted dump file, trigger a buffer overflow and crash application.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

BlueZ: 5.42

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External links
https://www.spinics.net/lists/linux-bluetooth/msg68892.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.