Home/CVE/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 f
CVE

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 f

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.

HIGH · CVSS 7.8 EPSS 0.09919
Schedule remediation
  • EPSS percentile: top 7% of all CVEs by exploitation likelihood
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-522Insufficiently Protected Credentials
▤

Affected Products & Versions

3
gnome keyring< 3.27.2
canonical ubuntu linuxall versions
oracle zfs storage appliance kitall versions
▣

Scoring & Timeline

7.8
HIGH · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD12 Feb 2019 · 05:29 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

2
usnUSN-3894-1
elastic-detectionelastic-detection-rules-linux-credential_access_proc_credential_dumping
🔗

References & Sources

8
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://bugs.launchpad.net/ubuntu/+source/gnome-keyring/+bug/1772919Issue TrackingPatchThird Party Advisory
https://bugzilla.gnome.org/show_bug.cgi?id=781486Issue TrackingPatchVendor Advisory
https://github.com/huntergregal/mimipenguinThird Party Advisory
https://github.com/huntergregal/mimipenguin/tree/d95f1e08ce79783794f38433bbf7de5abd9792daThird Party Advisory
https://gitlab.gnome.org/GNOME/gnome-keyring/issues/3Vendor Advisory
https://gitlab.gnome.org/GNOME/gnome-keyring/tags/3.27.2Release NotesVendor Advisory
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