USN-4172-1: file vulnerability

Releases

• Ubuntu 19.10
• Ubuntu 19.04
• Ubuntu 18.04 ESM
• Ubuntu 16.04 ESM

Packages

• file - Tool to determine file types

Details

It was discovered that file incorrectly handled certain malformed files. An
attacker could use this issue to cause 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 19.10

• file - 1:5.37-5ubuntu0.1
• libmagic1 - 1:5.37-5ubuntu0.1

Ubuntu 19.04

• file - 1:5.35-4ubuntu0.1
• libmagic1 - 1:5.35-4ubuntu0.1

Ubuntu 18.04

• file - 1:5.32-2ubuntu0.3
• libmagic1 - 1:5.32-2ubuntu0.3

Ubuntu 16.04

• file - 1:5.25-2ubuntu1.3
• libmagic1 - 1:5.25-2ubuntu1.3

In general, a standard system update will make all the necessary changes.

References

• CVE-2019-18218

Related notices

• USN-4172-2: libmagic1, file, python3-magic, libmagic-dev, python-magic