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

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Message-ID: <alpine.LFD.2.20.1707191148320.22338@wniryva>
Date: Wed, 19 Jul 2017 11:50:56 +0530 (IST)
From: P J P <ppandit@...hat.com>
To: oss security list <oss-security@...ts.openwall.com>
cc: Reno Robert <renorobert@...il.com>
Subject: CVE-2017-11434 Qemu: slirp: out-of-bounds read while parsing dhcp
 options

    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
47AF CE69 3A90 54AA 9045 1053 DD13 3D32 FE5B 041F

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