CVE-2017-2620
Medium
Description
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.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Qemu
PublishedJul 27, 2018
First seenJul 27, 2018
Weakness typeCWE-787Out-of-bounds write
How to fix
Update
- qemu qemu2.8.0 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| qemu qemu | v < 2.8.0 | 2.8.0 |
| citrix xenserver | 6.0.2, 6.2.0, 6.5, 7.0, 7.1 | — |
| redhat openstack | 5.0, 6.0, 7.0, 8, 9, 10 | — |
| debian debian_linux | 7.0 | — |
| redhat enterprise_linux_desktop | 6.0, 7.0 | — |
| redhat enterprise_linux_server | 6.0, 7.0 | — |
| redhat enterprise_linux_server_aus | 7.3, 7.4 | — |
| redhat enterprise_linux_server_eus | 7.3, 7.4, 7.5 | — |
| redhat enterprise_linux_workstation | 6.0, 7.0 | — |
| xen xen | v ≤ 4.7.1, 4.7.1 | — |
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