PT-2018-16809 · K7 · K7 Antivirus

Published 2018-01-04 · Updated 2018-01-11 · CVE-2018-5217

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 K7Sentry.sys, which does not validate input values from IOCtl 0x95002578, 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 updating to a newer version that addresses the issue with input validation in the K7Sentry.sys driver file. As a temporary workaround, restrict access to the IOCtl 0x95002578 to minimize the risk of exploitation.

Exploit

Fix

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2018-5217

Affected Products

K7 Antivirus

References · 3

• 🔥 https://github.com/rubyfly/K7AntiVirus_POC/tree/master/1_95002578 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2018-5217 · Security Note
• https://osv.dev/vulnerability/CVE-2018-5217 · Vendor Advisory