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AUSCERT External Security Bulletin Redistribution
ESB-2021.0517
USN-4733-1: GNOME Autoar vulnerability
12 February 2021
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AusCERT Security Bulletin Summary
---------------------------------
Product: GNOME Autoar
Publisher: Ubuntu
Operating System: Ubuntu
Linux variants
Impact/Access: Overwrite Arbitrary Files -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2020-36241
Original Bulletin:
https://ubuntu.com/security/notices/USN-4733-1
Comment: This advisory references vulnerabilities in products which run on
platforms other than Ubuntu. It is recommended that administrators
running GNOME Autoar check for an updated version of the software
for their operating system.
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USN-4733-1: GNOME Autoar vulnerability
11 February 2021
GNOME Autoar could be made to overwrite files.
Releases
o Ubuntu 20.10
o Ubuntu 20.04 LTS
o Ubuntu 18.04 LTS
Packages
o gnome-autoar - Archive integration support for GNOME
Details
Yigit Can Yilmaz 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
o libgnome-autoar-0-0 - 0.2.4-2ubuntu0.1
o libgnome-autoar-gtk-0-0 - 0.2.4-2ubuntu0.1
Ubuntu 20.04
o libgnome-autoar-0-0 - 0.2.3-2ubuntu0.1
o libgnome-autoar-gtk-0-0 - 0.2.3-2ubuntu0.1
Ubuntu 18.04
o libgnome-autoar-0-0 - 0.2.3-1ubuntu0.1
o 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
o CVE-2020-36241
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