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
EPSS: 0.013 (66.8th percentile) — read the EPSS interpretation.
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.
Affected products
- Deepin Deepin_desktop_environment — versions 15.0, 15.1, 15.2
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
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.