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Message-ID: <60o7969p-qnp-s3s1-spn2-1s4p509qp1@erqung.pbz>
Date: Fri, 27 Nov 2020 18:38:05 +0530 (IST)
From: P J P <ppandit@...hat.com>
To: oss security list <oss-security@...ts.openwall.com>
cc: Qiuhao.Li@...look.com
Subject: CVE-2020-29129 CVE-2020-29130 QEMU: slirp: out-of-bounds access
while processing ARP/NCSI packets
Hello,
An out-of-bounds access issue was found in the SLiRP user networking
implementation of QEMU. It could occur while processing ARP/NCSI packets, if
the packet length was shorter than required to accommodate respective protocol
headers and payload. A privileged guest user may use this flaw to potentially
leak host information bytes.
Upstream patch:
---------------
-> https://lists.freedesktop.org/archives/slirp/2020-November/000115.html
* This issue was reported by Qiuhao Li (cc'd).
* CVE-2020-29129 CVE-2020-29130 assigned 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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