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Message-ID: <nycvar.YSQ.7.77.849.2005281030080.62159@xnncv>
Date: Thu, 28 May 2020 10:32:53 +0530 (IST)
From: P J P <ppandit@...hat.com>
To: oss security list <oss-security@...ts.openwall.com>
cc: "Ding, Ren" <rding@...ech.edu>, "Zhao, Hanqing" <hanqing@...ech.edu>
Subject: CVE-2020-13361 QEMU: es1370: OOB access due to incorrect frame count
leads to DoS
Hello,
An OOB access issue was found in the ES1370 audio device emulator of the QEMU.
The issue occurs in 'audio_pcm_sw_read', while reading audio byte stream from
a channel, if the channel frame count is set to a malicious value. A guest
user/process may use this flaw to crash the QEMU process on the host resulting
in DoS scenario.
Upstream patch:
---------------
-> https://lists.gnu.org/archive/html/qemu-devel/2020-05/msg07230.html
This issue was reported by Ren Ding & Hanqing Zhao of SSLab Georgia Tech.
'CVE-2020-13361' requested via -> https://cveform.mitre.org/
Thank you.
--
Prasad J Pandit / Red Hat Product Security Team
8685 545E B54C 486B C6EB 271E E285 8B5A F050 DE8D
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