Vulnerability in GNOME Keyring
CVE-2018-20781
In pam/gkr-pam-module.c in GNOME Keyring before 3.27.2, the user's password is kept in a session-child process spawned from the LightDM daemon. This can expose the credential in cleartext.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.015 (73.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 73.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000
Affected products
- GNOME Keyring
- Oracle Zfs Storage Appliance Kit — versions 8.8
- Canonical Ubuntu Linux — versions 14.04, 16.04
Weakness classification (CWE)
Public proof-of-concept exploits
References
- usn.ubuntu.com/3894-1/ (vendor-advisory, Third Party Advisory)
- www.oracle.com/security-alerts/cpujan2021.html (Third Party Advisory)
- gitlab.gnome.org/GNOME/gnome-keyring/tags/3.27.2 (Release Notes, Vendor Advisory)
- gitlab.gnome.org/GNOME/gnome-keyring/issues/3 (Vendor Advisory)
- bugs.launchpad.net/ubuntu/+source/gnome-keyring/+bug/1772919 (Patch, Third Party Advisory, Issue Tracking)
- bugzilla.gnome.org/show_bug.cgi (Patch, Issue Tracking, Vendor Advisory)
- github.com/huntergregal/mimipenguin/tree/d95f1e08ce79783794f38433bbf7de5abd9792… (Third Party Advisory)
- github.com/huntergregal/mimipenguin (Third Party Advisory)
Frequently asked questions
- What is CVE-2018-20781?
- CVE-2018-20781 is a high-severity vulnerability in GNOME Keyring, classified under Insufficiently Protected Credentials. CVSS score: 7.8/10. Published 2019-02-12.
- How severe is CVE-2018-20781?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2018-20781 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.