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Date: Mon, 6 Apr 2020 15:50:51 +0530 (IST)
From: P J P <ppandit@...hat.com>
To: oss security list <oss-security@...ts.openwall.com>
cc: pangpei.lq@...fin.com, ziming zhang <ezrakiez@...il.com>
Subject: CVE-2020-11102 QEMU: tulip: OOB access in tulip_copy_tx_buffers
Hello,
An out-of-bounds access issue was found in the Tulip NIC emulator built into
QEMU. It could occur while copying network data to/from its tx/rx frame
buffers, as it does not check frame size against the data length.
A remote user/process could use this flaw to crash the QEMU process resulting
in Dos OR potentially execute arbitrary code with the privileges of the QEMU
process on the host.
Upstream patch:
-> https://git.qemu.org/?p=qemu.git;a=commit;h=8ffb7265af64ec81748335ec8f20e7ab542c3850
This issue was reported by Ziming Zhang and Li Qiang (Ant Financial).
CVE-2020-11102 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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