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Ubuntu 18.10 & 18.04 LTS: USN-3892-1 Moderate: GDM Unauthorized Access

ubuntu
Calendar Grey February 20, 2019
Dist Ubuntu Esm H88
=========================================================================Ubuntu Security Notice USN-
GDM could give unauthorized access to a different user.

Summary

GDM could give unauthorized access to a different user.

Software Description:

- gdm3: GNOME Display Manager

Details:

Burghard Britzke discovered that GDM incorrectly handled certain

configurations. An attacker could possibly use this issue to get

unauthorized access to a different user.

Topics%20covered

Topics Covered

security advisory unauthorized access security issue ubuntu gdm3

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 18.10:
  gdm3                            3.30.1-1ubuntu5.1

Ubuntu 18.04 LTS:
  gdm3                            3.28.3-0ubuntu18.04.4

After a standard system update you need to reboot your computer to make
all the necessary changes.

References

  https://ubuntu.com/security/notices/USN-3892-1

  CVE-2019-3825

Severity
important
Lowest
Low
Medium
High
Critical

February 20, 2019

Topics%20covered

Topics Covered

security advisory unauthorized access security issue ubuntu gdm3

Package Information

  https://launchpad.net/ubuntu/+source/gdm3/3.30.1-1ubuntu5.1
  https://launchpad.net/ubuntu/+source/gdm3/3.28.3-0ubuntu18.04.4

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