Vulnerability CVE-2018-20781
Published: 2019-02-12

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.

Type:

CWE-255

 (Credentials Management)

CVSS2 => (AV:L/AC:L/Au:N/C:P/I:N/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
2.1/10
2.9/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
None
None
Affected software
Canonical -> Ubuntu linux 

 References:
https://bugs.launchpad.net/ubuntu/+source/gnome-keyring/+bug/1772919
https://bugzilla.gnome.org/show_bug.cgi?id=781486
https://gitlab.gnome.org/GNOME/gnome-keyring/issues/3
https://gitlab.gnome.org/GNOME/gnome-keyring/tags/3.27.2
https://usn.ubuntu.com/3894-1/
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