CVE-2018-20781
HIGHCVSS 7.8/10EPSS 1.49%
Last modified
CVE-2018-20781 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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.. EPSS estimates a 1.49% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Gnome | Gnome Keyring | < 3.27.2 |
| Canonical | Ubuntu Linux | 14.04 |
| Canonical | Ubuntu Linux | 16.04 |
| Oracle | Zfs Storage Appliance Kit | 8.8 |
References
- https://bugs.launchpad.net/ubuntu/+source/gnome-keyring/+bug/1772919Issue Tracking, Patch, Third Party Advisory
- https://bugzilla.gnome.org/show_bug.cgi?id=781486Issue Tracking, Patch, Vendor Advisory
- https://github.com/huntergregal/mimipenguinThird Party Advisory
- https://gitlab.gnome.org/GNOME/gnome-keyring/issues/3Vendor Advisory
- https://gitlab.gnome.org/GNOME/gnome-keyring/tags/3.27.2Release Notes, Vendor Advisory
- https://usn.ubuntu.com/3894-1/Third Party Advisory
- https://www.oracle.com/security-alerts/cpujan2021.htmlThird Party Advisory
- https://bugs.launchpad.net/ubuntu/+source/gnome-keyring/+bug/1772919Issue Tracking, Patch, Third Party Advisory
- https://bugzilla.gnome.org/show_bug.cgi?id=781486Issue Tracking, Patch, Vendor Advisory
- https://github.com/huntergregal/mimipenguinThird Party Advisory
- https://gitlab.gnome.org/GNOME/gnome-keyring/issues/3Vendor Advisory
- https://gitlab.gnome.org/GNOME/gnome-keyring/tags/3.27.2Release Notes, Vendor Advisory
- https://usn.ubuntu.com/3894-1/Third Party Advisory
- https://www.oracle.com/security-alerts/cpujan2021.htmlThird Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2018-20781?
CVE-2018-20781 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 1.49% probability of exploitation in the next 30 days.
How do I fix CVE-2018-20781?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2018-20781?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST