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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