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List:       oss-security
Subject:    [oss-security] CVE-2020-29129 CVE-2020-29130 QEMU: slirp: out-of-bounds access while processing ARP/
From:       P J P <ppandit () redhat ! com>
Date:       2020-11-27 13:20:05
Message-ID: 60o7969p-qnp-s3s1-spn2-1s4p509qp1 () erqung ! pbz
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   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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