=========================================================================Ubuntu Security Notice USN-6216-1
July 11, 2023
lib3mf vulnerability
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 20.04 LTS
Summary:
lib3mf could be made to execute arbitrary code if it opens a specially
crafted 3MF file.
Software Description:
- 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 LTS:
lib3mf-dev 1.8.1+ds-3ubuntu0.2
lib3mf1 1.8.1+ds-3ubuntu0.2
In general, a standard system update will make all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-6216-1
CVE-2021-21772
Package Information:
https://launchpad.net/ubuntu/+source/lib3mf/1.8.1+ds-3ubuntu0.2
