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AUSCERT External Security Bulletin Redistribution
ESB-2023.3915
USN-6216-1: lib3mf vulnerability
13 July 2023
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AusCERT Security Bulletin Summary
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Product: lib3mf
Publisher: Ubuntu
Operating System: Ubuntu
Resolution: Patch/Upgrade
CVE Names: CVE-2021-21772
Original Bulletin:
https://ubuntu.com/security/notices/USN-6216-1
Comment: CVSS (Max): 8.1 CVE-2021-21772 (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)
CVSS Source: NVD
Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
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USN-6216-1: lib3mf vulnerability
11 July 2023
lib3mf could be made to execute arbitrary code if it opens a specially crafted
3MF file.
Releases
o Ubuntu 20.04 LTS
Packages
o lib3mf – Lib3MF is a C++ implementation of the 3D Manufacturing Format
Details
It was discovered that lib3mf did not properly manage memory under
certain circumstances. If a user were tricked into opening a specially
crafted 3MF file, a local attacker could possibly use this issue to
cause applications using lib3mf to crash, resulting in a denial of
service, or possibly execute arbitrary code.
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 20.04
o lib3mf1 – 1.8.1+ds-3ubuntu0.2
o lib3mf-dev – 1.8.1+ds-3ubuntu0.2
In general, a standard system update will make all the necessary changes.
References
o CVE-2021-21772
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