Ubuntu Security Notice 4172-2 - USN-4172-1 fixed a vulnerability in file. This update provides the corresponding update for Ubuntu 12.04 ESM Ubuntu 14.04 ESM. 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. Various other issues were also addressed.
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Ubuntu Security Notice USN-4172-2
October 31, 2019
file vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 14.04 ESM
- Ubuntu 12.04 ESM
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:
USN-4172-1 fixed a vulnerability in file. This update provides
the corresponding update for Ubuntu 12.04 ESM Ubuntu 14.04 ESM.
Original advisory 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 14.04 ESM:
file 1:5.14-2ubuntu3.4+esm1
libmagic1 1:5.14-2ubuntu3.4+esm1
Ubuntu 12.04 ESM:
file 5.09-2ubuntu0.8
libmagic1 5.09-2ubuntu0.8
In general, a standard system update will make all the necessary changes.
References:
https://usn.ubuntu.com/4172-2
https://usn.ubuntu.com/4172-1
CVE-2019-18218