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.
02 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.
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 1.54% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 74.7% of scored records. A rank, not a probability.
- NVD base score
- 7.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Low. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2019-02-12 17:00Z7 YR AGO
- Last updated
- 2024-08-05 12:12Z2 YR AGO
- Reserved
- 2019-02-12
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-522Insufficiently Protected CredentialsClass
- Data version
- 5.1
- Document digest
- c99dc56b536f964c5513bb6c16b33650692f4d2c32294d7b385cddf26d4e6da8
05 Affected products
06 References
- usn.ubuntu.comUSN-3894-1https://usn.ubuntu.com/3894-1/
- www.oracle.comhttps://www.oracle.com/security-alerts/cpujan2021.html
- gitlab.gnome.orghttps://gitlab.gnome.org/GNOME/gnome-keyring/tags/3.27.2
- gitlab.gnome.orghttps://gitlab.gnome.org/GNOME/gnome-keyring/issues/3
- bugs.launchpad.nethttps://bugs.launchpad.net/ubuntu/+source/gnome-keyring/+bug/1772919
- bugzilla.gnome.orghttps://bugzilla.gnome.org/show_bug.cgi?id=781486
- github.comhttps://github.com/huntergregal/mimipenguin/tree/d95f1e08ce79783794f38433bbf7de5abd9792da
- github.comhttps://github.com/huntergregal/mimipenguin
07 Fixed in
Arch Linux
- gnome-keyring Fixed in 3.27.2-1
Source: Arch Linux Security Tracker, the Arch Linux security team. Reformatted by exploit.cc.
Debian 12
- gnome-keyring Fixed in 3.28.0-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- gnome-keyring Fixed in 3.28.0-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- gnome-keyring Fixed in 3.28.0-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 14.04 LTS
- gnome-keyring Fixed in 3.10.1-1ubuntu4.4
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- gnome-keyring Fixed in 3.18.3-0ubuntu2.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.