CVE-2018-8955 Information

Description

The installer for BitDefender GravityZone relies on an encoded string in a filename to determine the URL for installation metadata which allows remote attackers to execute arbitrary code by changing the filename while leaving the file’s digital signature unchanged.

CVSS Vector

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

Reference

http://packetstormsecurity.com/files/149900/Bitdefender-GravityZone-Installer-Signature-Bypass-Code-Execution.html http://seclists.org/fulldisclosure/2018/Oct/44 http://www.securitytracker.com/id/1041940 https://labs.nettitude.com/blog/cve-2018-8955-bitdefender-gravityzone-arbitrary-code-execution/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8