PT-2018-16779 · K7 · K7 Antivirus

Published 2018-01-03 · Updated 2018-01-12 · CVE-2018-5087

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions K7 AntiVirus version 15.1.0306

Description The issue is related to the driver file K7FWHlpr.sys, which does not validate input values from IOCtl 0x83002100, allowing local users to cause a denial of service (BSOD) or possibly have other unspecified impacts.

Recommendations For K7 AntiVirus version 15.1.0306, consider disabling the K7FWHlpr.sys driver file as a temporary workaround until a patch is available. Restrict access to the IOCtl 0x83002100 to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2018-5087

Affected Products

K7 Antivirus

References · 3

• 🔥 https://github.com/rubyfly/K7AntiVirus_POC/tree/master/0x83002100 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2018-5087 · Security Note
• https://osv.dev/vulnerability/CVE-2018-5087 · Vendor Advisory