Ubuntu Security Notice 3894-1 - It was discovered that GNOME Keyring incorrectly cleared out credentials supplied to the PAM module. A local attacker could possibly use this issue to discover login credentials.
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Ubuntu Security Notice USN-3894-1
February 26, 2019
gnome-keyring vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
Summary:
GNOME Keyring could be made to expose sensitive information.
Software Description:
- gnome-keyring: GNOME keyring services
Details:
It was discovered that GNOME Keyring incorrectly cleared out credentials
supplied to the PAM module. A local attacker could possibly use this issue
to discover login credentials.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 16.04 LTS:
gnome-keyring 3.18.3-0ubuntu2.1
libpam-gnome-keyring 3.18.3-0ubuntu2.1
Ubuntu 14.04 LTS:
gnome-keyring 3.10.1-1ubuntu4.4
libpam-gnome-keyring 3.10.1-1ubuntu4.4
After a standard system update you need to restart your session to make
all the necessary changes.
References:
https://usn.ubuntu.com/usn/usn-3894-1
CVE-2018-20781
Package Information:
https://launchpad.net/ubuntu/+source/gnome-keyring/3.18.3-0ubuntu2.1
https://launchpad.net/ubuntu/+source/gnome-keyring/3.10.1-1ubuntu4.4