Exposed IOCTL with Insufficient Access Control in Sangoma Technologies CG/MG family driver cg6kwin2k.sys

1) Exposed IOCTL with Insufficient Access Control

EUVDB-ID: #VU87686

Risk: Low

CVSSv3.1: 5.3 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-29216

CWE-ID: CWE-782 - Exposed IOCTL with Insufficient Access Control

Exploit availability: No

Description

The vulnerability allows a local user to compromise the target system.

The vulnerability exists due to insufficient access control in the IOCTL. A local user can send a specially crafted IOCTL request and erase or alter the firmware.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

CG/MG family driver cg6kwin2k.sys: before 2.1.7.0

External links

http://jvn.jp/en/vu/JVNVU90671953/index.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.