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[USN-3186-1] iucode-tool vulnerability

Posted on 01 February 2017
Ubuntu Security

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Ubuntu Security Notice USN-3186-1
February 01, 2017

iucode-tool vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 16.10
- Ubuntu 16.04 LTS

Summary:

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

Software Description:
- iucode-tool: Intel processor microcode tool

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.

Update instructions:

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

Ubuntu 16.10:
iucode-tool 1.6.1-1ubuntu0.1

Ubuntu 16.04 LTS:
iucode-tool 1.5.1-1ubuntu0.1

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


References:
http://www.ubuntu.com/usn/usn-3186-1
CVE-2017-0357

Package Information:
https://launchpad.net/ubuntu/+source/iucode-tool/1.6.1-1ubuntu0.1
https://launchpad.net/ubuntu/+source/iucode-tool/1.5.1-1ubuntu0.1



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