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Message-ID: <alpine.LFD.2.20.1702230954570.7757@wniryva>
Date: Thu, 23 Feb 2017 09:59:13 +0530 (IST)
From: P J P <ppandit@...hat.com>
To: oss security list <oss-security@...ts.openwall.com>
Subject: CVE-2017-2633 Qemu: VNC: memory corruption due to unchecked resolution
limit
Hello,
Quick Emulator(Qemu) built with the VNC display driver support is vulnerable
to an out-of-bounds memory access issue. It could occur while refreshing the
vnc display surface area in 'vnc_refresh_server_surface'.
A user/process inside guest could use this flaw to crash the Qemu process
resulting in DoS.
Upstream patch:
---------------
-> http://git.qemu-project.org/?p=qemu.git;a=commitdiff;h=bea60dd7679364493a0d7f5b54316c767cf894ef
-> http://git.qemu-project.org/?p=qemu.git;a=commitdiff;h=9f64916da20eea67121d544698676295bbb105a7
Older versions of Qemu are affected, latest upstream releases are not.
'CVE-2017-2633' has been assigned to this issue by Red Hat Inc.
Thank you.
--
Prasad J Pandit / Red Hat Product Security Team
47AF CE69 3A90 54AA 9045 1053 DD13 3D32 FE5B 041F
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