Vulnerability in GNOME Gdm
CVE-2017-12164
A flaw was discovered in gdm 3.24.1 where gdm greeter was no longer setting the ran_once boolean during autologin. If autologin was enabled for a victim, an attacker could simply select 'login as another user' to unlock their screen.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.1 (Medium). Vector: CVSS:3.0/AV:P/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.004 (30.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 30th percentile — 30.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- GNOME Gdm — versions 3.24.1
- GNOME Display Manager — versions 3.24.1
Weakness classification (CWE)
References
- gitlab.gnome.org/GNOME/gdm/commit/ff98b28 (Patch, Vendor Advisory)
- bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
Frequently asked questions
- What is CVE-2017-12164?
- CVE-2017-12164 is a medium-severity vulnerability in GNOME Gdm, classified under CWE-592. CVSS score: 4.1/10. Published 2018-07-26.
- How severe is CVE-2017-12164?
- Medium severity. CVSS v3 base score is 4.1 out of 10.