Ubuntu Security Notice 3686-2 - USN-3686-1 fixed a vulnerability in file. This update provides the corresponding update for Ubuntu 12.04 ESM. It was discovered that file incorrectly handled certain magic files. An attacker could use this issue with a specially crafted magic file 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-3686-2
June 28, 2018
file vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 ESM
Summary:
Several security issues were fixed in file.
Software Description:
- file: Tool to determine file types
Details:
USN-3686-1 fixed a vulnerability in file. This update provides
the corresponding update for Ubuntu 12.04 ESM.
Original advisory details:
It was discovered that file incorrectly handled certain magic files.
An attacker could use this issue with a specially crafted magic file
to cause a denial of service, or possibly execute arbitrary code.
(CVE-2015-8865)
It was discovered that file incorrectly handled certain malformed ELF
files. An attacker could use this issue to cause a denial of service.
(CVE-2018-10360)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 12.04 ESM:
file 5.09-2ubuntu0.7
libmagic1 5.09-2ubuntu0.7
In general, a standard system update will make all the necessary
changes.
References:
https://usn.ubuntu.com/usn/usn-3686-2
https://usn.ubuntu.com/usn/usn-3686-1
CVE-2015-8865, CVE-2018-10360