Out-of-Bounds Access Vulnerability in QEMU's Cirrus CLGD 54xx VGA Emulator Support

CVE-2017-2620 · HIGH Severity

AV:N/AC:L/AU:S/C:C/I:C/A:C

Quick emulator (QEMU) before 2.8 built with the Cirrus CLGD 54xx VGA Emulator support is vulnerable to an out-of-bounds access issue. The issue could occur while copying VGA data in cirrus_bitblt_cputovideo. A privileged user inside guest could use this flaw to crash the QEMU process OR potentially execute arbitrary code on host with privileges of the QEMU process.

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