Out-of-bounds read in BlueZ



| Updated: 2019-05-31
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2016-9802
CWE-ID CWE-125
Exploitation vector Local
Public exploit N/A
Vulnerable software
 BlueZ
Universal components / Libraries / Libraries used by multiple products

Vendor BlueZ Project

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Out-of-bounds read

EUVDB-ID: #VU18654

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2016-9802

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

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

The vulnerability exists due to a boundary condition within the "l2cap_packet" function in "monitor/packet.c" source file while processing a corrupted dump file. A malicious user can trigger out-of-bounds read error that results in btmon crash.

Mitigation

Install update from vendor's website.

Vulnerable software versions

BlueZ: 5.42

CPE2.3 External links

https://lists.opensuse.org/opensuse-security-announce/2019-05/msg00069.html
https://www.securityfocus.com/bid/94652
https://www.spinics.net/lists/linux-bluetooth/msg68898.html


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.



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