CVE-2017-6466 Information

Description

F-Secure Software Updater 2.20 as distributed in several F-Secure products downloads installation packages over plain http and does not perform file integrity validation after download. Man-in-the-middle attackers can replace the file with their own executable which will be executed under the SYSTEM account. Note that when Software Updater is configured to install updates automatically it checks if the downloaded file is digitally signed by default but does not check the author of the signature. When running in manual mode (default) no signature check is performed.

CVSS Vector

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

http://seclists.org/fulldisclosure/2017/Mar/28 http://www.securityfocus.com/bid/96784

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.1