USN-3186-1: iucode-tool vulnerability
Ubuntu Security Notice USN-3186-1
1st February, 2017
iucode-tool vulnerability
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 specially
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 version:
- Ubuntu 16.10:
-
iucode-tool
1.6.1-1ubuntu0.1
- Ubuntu 16.04 LTS:
-
iucode-tool
1.5.1-1ubuntu0.1
To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
References
Source: USN-3186-1: iucode-tool vulnerability
