Ubuntu Security Notice 4049-1 - It was discovered that GLib created directories and files without properly restricting permissions. An attacker could possibly use this issue to access sensitive information.
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Ubuntu Security Notice USN-4049-1
July 08, 2019
glib2.0 vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 18.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
Summary:
GLib did not properly restrict directory and file permissions.
Software Description:
- glib2.0: GLib Input, Output and Streaming Library (fam module)
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.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 18.10:
libglib2.0-0 2.58.1-2ubuntu0.2
libglib2.0-bin 2.58.1-2ubuntu0.2
Ubuntu 18.04 LTS:
libglib2.0-0 2.56.4-0ubuntu0.18.04.4
libglib2.0-bin 2.56.4-0ubuntu0.18.04.4
Ubuntu 16.04 LTS:
libglib2.0-0 2.48.2-0ubuntu4.3
libglib2.0-bin 2.48.2-0ubuntu4.3
In general, a standard system update will make all the necessary changes.
References:
https://usn.ubuntu.com/4049-1
CVE-2019-13012
Package Information:
https://launchpad.net/ubuntu/+source/glib2.0/2.58.1-2ubuntu0.2
https://launchpad.net/ubuntu/+source/glib2.0/2.56.4-0ubuntu0.18.04.4
https://launchpad.net/ubuntu/+source/glib2.0/2.48.2-0ubuntu4.3