CVE-2017-7622 Information

Description

dde-daemon the daemon process of DDE (Deepin Desktop Environment) 15.0 through 15.3 runs with root privileges and hardly does anything to identify the user who calls the function through D-Bus. Anybody can change the grub config even to append some arguments to make a backdoor or privilege escalation by calling DoWriteGrubSettings() provided by dde-daemon.

CVSS Vector

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

Reference

https://github.com/kings-way/deepinhack/blob/master/dde_daemon_poc.py

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

8.8