The esp_do_dma function in hw/scsi/esp.c in QEMU (aka Quick Emulator), when built with ESP/NCR53C9x controller emulation support, allows local guest OS administrators to cause a denial of service (out-of-bounds write and QEMU process crash) or execute arbitrary code on the QEMU host via vectors involving DMA read into ESP command buffer.
Link | Tags |
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http://www.ubuntu.com/usn/USN-3047-1 | third party advisory vendor advisory |
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=cc96677469388bad3d66479379735cf75db069e3 | |
http://www.ubuntu.com/usn/USN-3047-2 | third party advisory vendor advisory |
http://www.openwall.com/lists/oss-security/2016/07/25/14 | third party advisory mailing list |
http://www.openwall.com/lists/oss-security/2016/07/26/7 | third party advisory mailing list |
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=926cde5f3e4d2504ed161ed0cb771ac7cad6fd11 | |
http://www.securityfocus.com/bid/92119 | third party advisory vdb entry |
https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html | third party advisory mailing list |