USN-3186-1: iucode-tool vulnerability

Publication date

1 February 2017

Overview

iucode-tool could be made to crash or run programs if it opened a specially crafted file.


Packages

Details

It was discovered that iucode-tool incorrectly handled certain microcodes
when using the -tr loader. If a user were tricked into processing a
specially crafted microcode, a remote attacker could use this issue to
cause iucode-tool to crash, resulting in a denial of service, or possibly
execute arbitrary code.

It was discovered that iucode-tool incorrectly handled certain microcodes
when using the -tr loader. If a user were tricked into processing a
specially crafted microcode, a remote attacker could use this issue to
cause iucode-tool to crash, resulting in a denial of service, or possibly
execute arbitrary code.

Update instructions

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

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
16.10 yakkety iucode-tool –  1.6.1-1ubuntu0.1
16.04 xenial iucode-tool –  1.5.1-1ubuntu0.1

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