Ubuntu Security Notice 4172-1 - 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.
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Ubuntu Security Notice USN-4172-1
October 30, 2019
file vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 19.10
- Ubuntu 19.04
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
Summary:
file could be made to crash or run programs if it opened a specially
crafted file.
Software Description:
- 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 LTS:
file 1:5.32-2ubuntu0.3
libmagic1 1:5.32-2ubuntu0.3
Ubuntu 16.04 LTS:
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:
https://usn.ubuntu.com/4172-1
CVE-2019-18218
Package Information:
https://launchpad.net/ubuntu/+source/file/1:5.37-5ubuntu0.1
https://launchpad.net/ubuntu/+source/file/1:5.35-4ubuntu0.1
https://launchpad.net/ubuntu/+source/file/1:5.32-2ubuntu0.3
https://launchpad.net/ubuntu/+source/file/1:5.25-2ubuntu1.3