Vulnerability Details : CVE-2017-7622
Potential exploit
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.
Vulnerability category: Gain privilege
Products affected by CVE-2017-7622
- cpe:2.3:a:deepin:deepin_desktop_environment:15.2:*:*:*:*:*:*:*
- cpe:2.3:a:deepin:deepin_desktop_environment:15.3:*:*:*:*:*:*:*
- cpe:2.3:a:deepin:deepin_desktop_environment:15.1:*:*:*:*:*:*:*
- cpe:2.3:a:deepin:deepin_desktop_environment:15.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-7622
0.61%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 67 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-7622
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
9.0
|
HIGH | AV:N/AC:L/Au:S/C:C/I:C/A:C |
8.0
|
10.0
|
NIST | |
|
8.8
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST |
CWE ids for CVE-2017-7622
-
The product does not perform an authorization check when an actor attempts to access a resource or perform an action.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-7622
-
https://github.com/kings-way/deepinhack/blob/master/dde_daemon_poc.py
deepinhack/dde_daemon_poc.py at master · kings-way/deepinhack · GitHubExploit;Third Party Advisory
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