High severity · published Feb 12, 2019
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
7.8
CVSS
1.5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.5% · higher than 75% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GK
Gnome Keyring · Gnome
before 3.27.2 · source: NVD
UL
Ubuntu Linux · Canonical
14.04; 16.04 · source: NVD
ZS
Zfs Storage Appliance Kit · Oracle
8.8 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-20781
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-20781
Issue Tracking
https://bugs.launchpad.net/ubuntu/+source/gnome-keyring/+bug/1772919
Issue Tracking
https://bugzilla.gnome.org/show_bug.cgi?id=781486
Third Party Advisory
https://github.com/huntergregal/mimipenguin
Third Party Advisory
https://github.com/huntergregal/mimipenguin/tree/d95f1e08ce79783794f38433bbf7de5abd9792da
Vendor Advisory
https://gitlab.gnome.org/GNOME/gnome-keyring/issues/3
Release Notes
https://gitlab.gnome.org/GNOME/gnome-keyring/tags/3.27.2
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