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Ubuntu Security Notice USN-4733-1

Ubuntu Security Notice USN-4733-1
Posted Feb 11, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4733-1 - 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.

tags | advisory, remote, arbitrary, code execution
systems | linux, ubuntu
advisories | CVE-2020-36241
MD5 | 3c18fc22fd38af8603be0f826c12a53c

Ubuntu Security Notice USN-4733-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-4733-1
February 11, 2021

gnome-autoar vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 20.10
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS

Summary:

GNOME Autoar could be made to overwrite files.

Software Description:
- gnome-autoar: Archive integration support for GNOME

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.

Update instructions:

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

Ubuntu 20.10:
libgnome-autoar-0-0 0.2.4-2ubuntu0.1
libgnome-autoar-gtk-0-0 0.2.4-2ubuntu0.1

Ubuntu 20.04 LTS:
libgnome-autoar-0-0 0.2.3-2ubuntu0.1
libgnome-autoar-gtk-0-0 0.2.3-2ubuntu0.1

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

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

References:
https://usn.ubuntu.com/4733-1
CVE-2020-36241

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