CVE-2017-11434 Qemu: slirp: out-of-bounds read while parsing dhcp options

[P J P <ppandit () redhat com>]

   Hello,

Quick emulator(Qemu) built with the BOOTP/DHCP Server support is vulnerable to 
an OOB read issue. It could occur while parsing the DHCP options and vendor 
extensions options sent by a client.

A user/process could use this flaw to potentially crash the Qemu process on 
the host resulting in DoS.

Upstream patch:
---------------
  -> https://lists.gnu.org/archive/html/qemu-devel/2017-07/msg05001.html

Reference:
----------
  -> https://bugzilla.redhat.com/show_bug.cgi?id=1472611

This issue was reported by Reno Robert. CVE assigned via - https://cveform.mitre.org/


Thank you.
--
Prasad J Pandit / Red Hat Product Security Team
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