USN-3911-2: file regression
file regression
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
Summary
USN-3911-1 introduced a regression in file.
Software Description
- file – Tool to determine file types
Details
USN-3911-1 fixed vulnerabilities in file. One of the backported security
fixes introduced a regression that caused the interpreter string to be
truncated. This update fixes the problem.
We apologize for the inconvenience.
Original advisory details:
It was discovered that file incorrectly handled certain malformed ELF
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 18.04 LTS
- file – 1:5.32-2ubuntu0.4
- libmagic1 – 1:5.32-2ubuntu0.4
- Ubuntu 16.04 LTS
- file – 1:5.25-2ubuntu1.4
- libmagic1 – 1:5.25-2ubuntu1.4
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
References
Source: USN-3911-2: file regression
