Vulnerability identifier: #VU15801

Vulnerability risk: Low

CVSSv3.1: 7.4 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:U/RC:C]

CVE-ID: CVE-2018-19087

CWE-ID: CWE-121

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
IObit Malware Fighter
Client/Desktop applications / Antivirus software/Personal firewalls

Vendor: IObit

Description

The vulnerability allows a local user to execute arbitrary code with elevated privileges.

The vulnerability exists due to a boundary error when an attacker uses IOCTL 0x8006E044 with a size larger than 8 bytes within RegFilter.sys. A local user can trigger stack-based buffer overflow and cause denial of service or code execution with root privileges.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

IObit Malware Fighter: 6.2.0 - 6.3.0

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External links
http://downwithup.github.io/CVEPosts.html
http://github.com/DownWithUp/CVE-Stockpile-2018/blob/master/CVE-2018-19087.c

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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. However, proof of concept for this vulnerability is available.