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Ubuntu 20.10, 20.04, 18.04: USN-4733-2 Regression Fix for GNOME Autoar

ubuntu
Calendar Grey March 8, 2021
Dist Ubuntu Esm H88
Addresses USN-4733-2 concerning GNOME Autoar, rectifying a regression problem that influences several Ubuntu versions while enhancing overall security.
USN-4733-1 introduced a regression in GNOME Autoar.

Summary

USN-4733-1 introduced a regression in GNOME Autoar.

Software Description:

- gnome-autoar: Archive integration support for GNOME

Details:

USN-4733-1 fixed a vulnerability in GNOME Autoar. The upstream fix

introduced a regression when extracting archives containing directories.

This update fixes the problem.

Original advisory details:

Yiğit Can Yılmaz discovered that GNOME Autoar could extract files outside

of the intended directory. If a user were tricked into extracting a

specially crafted archive, a remote attacker could create files in

arbitrary locations, possibly leading to code execution.

Topics%20covered

Topics Covered

security advisory code execution Ubuntu archive extraction regression GNOME Autoar

Update Instructions

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

Ubuntu 20.10:
  libgnome-autoar-0-0             0.2.4-2ubuntu0.2
  libgnome-autoar-gtk-0-0         0.2.4-2ubuntu0.2

Ubuntu 20.04 LTS:
  libgnome-autoar-0-0             0.2.3-2ubuntu0.2
  libgnome-autoar-gtk-0-0         0.2.3-2ubuntu0.2

Ubuntu 18.04 LTS:
  libgnome-autoar-0-0             0.2.3-1ubuntu0.2
  libgnome-autoar-gtk-0-0         0.2.3-1ubuntu0.2

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

References

https://ubuntu.com/security/notices/USN-4733-1

https://bugs.launchpad.net/ubuntu/+source/gnome-autoar/+bug/1917812

Severity
critical
Lowest
Low
Medium
High
Critical

March 08, 2021

Topics%20covered

Topics Covered

security advisory code execution Ubuntu archive extraction regression GNOME Autoar

Package Information

https://launchpad.net/ubuntu/+source/gnome-autoar/0.2.4-2ubuntu0.2
https://launchpad.net/ubuntu/+source/gnome-autoar/0.2.3-2ubuntu0.2
https://launchpad.net/ubuntu/+source/gnome-autoar/0.2.3-1ubuntu0.2

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