#VU14453 Buffer overflow in Linux kernel - CVE-2018-9363

Vulnerability identifier: #VU14453

Vulnerability risk: Low

CVSSv4.0: 2 [CVSS:4.0/AV:P/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-9363

CWE-ID: CWE-119

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: Linux Foundation

Description

The vulnerability allows an attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error within the hidp_process_report when processing Bluetooth packets. An attacker with physical proximity to the system can send specially crafted traffic, trigger memory corruption and perform denial of service attack or execute arbitrary code.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Linux kernel: 3.18.0 - 3.18.72, 4.4 - 4.4.148, 4.9 - 4.9.120, 4.14.0 rc1 - 4.18.1

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External links
https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.64
https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.121
https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.149
https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.18.2
https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.17.16

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Q & A

Can this vulnerability be exploited remotely?

No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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