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Ubuntu 4049-1 Critical Alert: GLib File Permissions Problem Detected

ubuntu
Calendar Grey July 8, 2019
Dist Ubuntu Esm H88
Enhance your Debian installation since USN-4032-1 fixes a critical permissions flaw in GLib that could expose private information.
GLib did not properly restrict directory and file permissions.

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.

Topics%20covered

Topics Covered

security advisory software update access control ubuntu file permissions glib

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

CVE-2019-13012

Severity
critical
Lowest
Low
Medium
High
Critical

July 08, 2019

Topics%20covered

Topics Covered

security advisory software update access control ubuntu file permissions glib

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

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