Ubuntu Security Notice USN-4524-1
September 21, 2020
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 16.04 LTS
TNEF could be made to crash or write arbitrary files to the filesystem.
- tnef: Tool to unpack MIME application/ms-tnef attachments
Paul Dreik discovered that TNEF incorrectly handled filenames.
If a user
were tricked into opening a specially crafted email attachment, an
attacker could possibly use this issue to write arbitrary files to the
filesystem or cause TNEF crash, resulting in a denial of service.
The problem can be corrected by updating your system to the
Ubuntu 16.04 LTS:
In general, a standard system update will make all the necessary changes.