Auth bypass in Deepin Desktop Environment
CVE-2017-7622
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 class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.013 (68.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 68.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000
Affected products
- Deepin Desktop Environment — versions 15.0, 15.1, 15.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/kings-way/deepinhack/blob/master/dde_daemon_poc.py (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2017-7622?
- CVE-2017-7622 is a high-severity vulnerability in Deepin Desktop Environment, classified under Missing Authorization. CVSS score: 8.8/10. Published 2017-04-10.
- How severe is CVE-2017-7622?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2017-7622 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.