PT-2017-14792 · K7 · K7 Antivirus

Published 2017-12-08 · Updated 2017-12-20 · CVE-2017-17464

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions K7 Antivirus version 15.1.0309

Description The issue is related to a NULL pointer dereference in the K7Sentry.sys driver, specifically version 15.1.0.59, which is part of K7 Antivirus 15.1.0309. This can be triggered via a DeviceIoControl request with the code 0x95002570.

Recommendations For K7 Antivirus version 15.1.0309, consider updating the K7Sentry.sys driver to a version that does not contain this issue, if available. As a temporary workaround, restricting access to the DeviceIoControl request with the code 0x95002570 may help minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2017-17464

Affected Products

K7 Antivirus

References · 3

• 🔥 https://github.com/k0keoyo/Driver-Loaded-PoC/tree/master/K7-Antivirus/K7Anti_Nullptr_Dereference_0x95002570 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2017-17464 · Security Note
• https://osv.dev/vulnerability/CVE-2017-17464 · Vendor Advisory