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Ubuntu 19.04: USN-3994-1 Moderate: gnome-desktop Sandbox Escape

ubuntu
Calendar Grey May 27, 2019
Dist Ubuntu Esm H88
gnome-shell flaw in Ubuntu may enable code execution via sandbox bypass. Ensure your system is updated promptly.
gnome-desktop could be made to escape the thumbnailer sandbox.

Summary

gnome-desktop could be made to escape the thumbnailer sandbox.

Software Description:

- gnome-desktop3: Introspection data for GnomeDesktop

Details:

It was discovered that gnome-desktop incorrectly confined thumbnailers. If

a user were tricked into downloading a malicious image file, a remote

attacker could possibly combine this issue with another vulnerability to

escape the sandbox and execute arbitrary code.

Topics%20covered

Topics Covered

security advisory remote attack Ubuntu execution gnome-desktop thumbnailer sandbox

Update Instructions

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

Ubuntu 19.04:
  libgnome-desktop-3-17           3.32.1-1ubuntu1.1

Ubuntu 18.10:
  libgnome-desktop-3-17           3.30.1-1ubuntu1.1

Ubuntu 18.04 LTS:
  libgnome-desktop-3-17           3.28.2-0ubuntu1.3

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

References

https://ubuntu.com/security/notices/USN-3994-1

CVE-2019-11460

Severity
important
Lowest
Low
Medium
High
Critical

May 27, 2019

Topics%20covered

Topics Covered

security advisory remote attack Ubuntu execution gnome-desktop thumbnailer sandbox

Package Information

https://launchpad.net/ubuntu/+source/gnome-desktop3/3.32.1-1ubuntu1.1
https://launchpad.net/ubuntu/+source/gnome-desktop3/3.30.1-1ubuntu1.1
https://launchpad.net/ubuntu/+source/gnome-desktop3/3.28.2-0ubuntu1.3

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