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Ubuntu: USN-4049-4 Moderate: GLib Regression Impacting Access Control

ubuntu
Calendar Grey August 6, 2019
Dist Ubuntu Esm H88
Ubuntu Security Notice USN-4050-5 resolves a critical issue in the OpenSSL library from September 2020, affecting releases 16.04 and 18.04.
USN-4049-1 introduced a regression in GLib.

Summary

USN-4049-1 introduced a regression in GLib.

Software Description:

- glib2.0: GLib Input, Output and Streaming Library (fam module)

Details:

USN-4049-1 fixed a vulnerability in GLib. The update introduced a regression.

This update fixes the problem.

We apologize for the inconvenience.

Original advisory details:

It was discovered that GLib created directories and files without properly

restricting permissions. An attacker could possibly use this issue to access

sensitive information.

Topics%20covered

Topics Covered

security advisory access control Ubuntu information disclosure regression GLib

Update Instructions

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

Ubuntu 14.04 ESM:
  libglib2.0-0                    2.40.2-0ubuntu1.1+esm3
  libglib2.0-bin                  2.40.2-0ubuntu1.1+esm3

Ubuntu 12.04 ESM:
  libglib2.0-0                    2.32.4-0ubuntu1.4
  libglib2.0-bin                  2.32.4-0ubuntu1.4

In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-4049-1

https://bugs.launchpad.net/ubuntu/+source/glib2.0/+bug/1838890

August 06, 2019

Topics%20covered

Topics Covered

security advisory access control Ubuntu information disclosure regression GLib

Package Information

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