ESB-2019.0601 - [UNIX/Linux][Ubuntu] gnome-keyring: Access privileged data - Existing account 2019-02-27

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2019.0601
                  USN-3894-1: GNOME Keyring vulnerability
                             27 February 2019

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           gnome-keyring
Publisher:         Ubuntu
Operating System:  Ubuntu
                   UNIX variants (UNIX, Linux, OSX)
Impact/Access:     Access Privileged Data -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-20781  

Original Bulletin: 
   https://usn.ubuntu.com/3894-1

Comment: This advisory references vulnerabilities in products which run on 
         platforms other than Ubuntu. It is recommended that administrators 
         running gnome-keyring check for an updated version of the software 
         for their operating system.

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USN-3894-1: GNOME Keyring vulnerability
26 February 2019

gnome-keyring vulnerability
======================================================================

A security issue affects these releases of Ubuntu and its derivatives:

  o Ubuntu 16.04 LTS
  o Ubuntu 14.04 LTS

Summary

GNOME Keyring could be made to expose sensitive information.

Software Description

  o 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

To update your system, please follow these instructions: https://
wiki.ubuntu.com/Security/Upgrades .

After a standard system update you need to restart your session to make all the
necessary changes.

References

  o CVE-2018-20781

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