CVE-2018-20781 describes a cleartext password exposure vulnerability in GNOME Keyring versions prior to 3.27.2, specifically within the pam/gkr-pam-module.c component. This flaw allows a session-child process spawned from LightDM to retain the user's password, making it accessible in cleartext. Rated with a CVSSv3.1 score of 7.8 (High), this local vulnerability (AV:L) has high impacts on confidentiality, integrity, and availability (C:H/I:H/A:H). While not actively exploited in the wild (KEV: No), a Metasploit module named "MimiPenguin" exists, indicating exploitability, though there is minimal community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 3.27.2CPE matchmatch criteria | cpe:2.3:a:gnome:gnome_keyring:*:*:*:*:*:*:*:* | ||
14.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* | ||
16.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* | ||
8.8CPE matchmatch criteria | cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.