Out-of-bounds write in QEMU - CVE-2017-7980

 

Out-of-bounds write in QEMU - CVE-2017-7980

Published: June 6, 2017 / Updated: June 8, 2017


Vulnerability identifier: #VU6939
CSH Severity: Low
CVSS v4: []
CVE-ID: CVE-2017-7980
CWE-ID: CWE-787
Exploitation vector: Adjecent network
Exploit availability: No public exploit available

Vulnerability details

Quick emulator(Qemu) built with the Cirrus CLGD 54xx VGA Emulator support is vulnerable to an out-of-bounds r/w access issues. It could occur while copying VGA data via various bitblt functions. A privileged user inside guest could use this flaw to crash the Qemu process resulting in DoS OR potentially execute arbitrary code on a host with privileges of Qemu process on the host.

Affected software

QEMU

How to mitigate CVE-2017-7980

Update to version 2.9.0-r2.


External References

Related Security Bulletins