CVE-2018-6766 Information

Description

Swisscom TVMediaHelper 1.1.0.50 contains a vulnerability that could allow an unauthenticated remote attacker to execute arbitrary code on the targeted system. This vulnerability exists due to the way .dll files are loaded. It allows an attacker to load a .dll of the attacker’s choosing that could execute arbitrary code without the user’s knowledge. The specific flaw exists within the handling of several DLLs (dwmapi.dll PROPSYS.dll cscapi.dll SAMLIB.dll netbios.dll winhttp.dll security.dll ntmarta.dll WindowsCodecs.dll apphelp.dll) loaded by the SwisscomTVMediaHelper.exe process.

CVSS Vector

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

Reference

https://www.swisscom.ch/content/dam/swisscom/de/about/nachhaltigkeit/digitale-schweiz/sicherheit/bug-bounty/files/cve-2018-6766_tvmediahelper.txt

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8