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AUSCERT External Security Bulletin Redistribution
ESB-2021.1569.2
USN-4937-1: GNOME Autoar vulnerability
8 June 2021
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AusCERT Security Bulletin Summary
---------------------------------
Product: GNOME Autoar
Publisher: Ubuntu
Operating System: Ubuntu
Impact/Access: Overwrite Arbitrary Files -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2021-28650
Reference: ESB-2021.0820
ESB-2021.0755
Original Bulletin:
https://ubuntu.com/security/notices/USN-4937-1
https://ubuntu.com/security/notices/USN-4937-2
Comment: This bulletin contains two (2) Ubuntu security advisories.
Revision History: June 8 2021: Vendor added regression update as a second advisory.
May 7 2021: Initial Release
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USN-4937-1: GNOME Autoar vulnerability
06 May 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
Ondrej Holy 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-gtk-0-0 - 0.2.4-2ubuntu0.3
o libgnome-autoar-0-0 - 0.2.4-2ubuntu0.3
Ubuntu 20.04
o libgnome-autoar-gtk-0-0 - 0.2.3-2ubuntu0.3
o libgnome-autoar-0-0 - 0.2.3-2ubuntu0.3
Ubuntu 18.04
o libgnome-autoar-gtk-0-0 - 0.2.3-1ubuntu0.3
o libgnome-autoar-0-0 - 0.2.3-1ubuntu0.3
After a standard system update you need to restart your session to make all
the necessary changes.
References
o CVE-2021-28650
- --------------------------------------------------------------------------------
USN-4937-2: GNOME Autoar regression
07 June 2021
USN-4937-1 introduced a regression in GNOME Autoar.
Releases
o Ubuntu 21.04
o Ubuntu 20.10
o Ubuntu 20.04 LTS
o Ubuntu 18.04 LTS
Packages
o gnome-autoar - Archive integration support for GNOME
Details
USN-4937-1 fixed a vulnerability in GNOME Autoar. The update caused a
regression when extracting certain archives. This update fixes the problem.
Original advisory details:
Ondrej Holy 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 21.04
o libgnome-autoar-gtk-0-0 - 0.3.1-1ubuntu0.1
o libgnome-autoar-0-0 - 0.3.1-1ubuntu0.1
Ubuntu 20.10
o libgnome-autoar-gtk-0-0 - 0.2.4-2ubuntu0.4
o libgnome-autoar-0-0 - 0.2.4-2ubuntu0.4
Ubuntu 20.04
o libgnome-autoar-gtk-0-0 - 0.2.3-2ubuntu0.4
o libgnome-autoar-0-0 - 0.2.3-2ubuntu0.4
Ubuntu 18.04
o libgnome-autoar-gtk-0-0 - 0.2.3-1ubuntu0.4
o libgnome-autoar-0-0 - 0.2.3-1ubuntu0.4
After a standard system update you need to restart your session to make all
the necessary changes.
References
o https://launchpad.net/bugs/1929304
- --------------------------END INCLUDED TEXT--------------------
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