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List: oss-security
Subject: [oss-security] CVE-2020-1711 QEMU: block: iscsi: OOB heap access via an unexpected response of iSCSI
From: P J P <ppandit () redhat ! com>
Date: 2020-01-23 17:55:44
Message-ID: nycvar.YSQ.7.76.2001232321290.91379 () xnncv
[Download RAW message or body]
Hello,
An out-of-bounds heap buffer access issue was found in the way iSCSI Block
driver in QEMU handled response coming from an iSCSI server, while checking
status of a Logical Address Block (LBA) in iscsi_co_block_status() routine.
A remote user could use this flaw to crash the QEMU process resulting in DoS
OR potentially execute arbitrary code with privileges of the QEMU process on
the host.
Upstream patch:
---------------
-> https://lists.gnu.org/archive/html/qemu-devel/2020-01/msg05535.html
This issue was reported by Felipe Franciosi, Raphael Norwitz and Peter
Turschmid of nutanix.com.
Thank you.
--
Prasad J Pandit / Red Hat Product Security Team
8685 545E B54C 486B C6EB 271E E285 8B5A F050 DE8D
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