Improper access control in QEMU - CVE-2017-7471

 

Improper access control in QEMU - CVE-2017-7471

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


Vulnerability identifier: #VU6936
CSH Severity: Low
CVSS v4: []
CVE-ID: CVE-2017-7471
CWE-ID: CWE-284
Exploitation vector: Adjecent network
Exploit availability: No public exploit available

Vulnerability details

Quick Emulator(Qemu) built with the VirtFS, host directory sharing via Plan 9 File System(9pfs) support, is vulnerable to an improper access control issue. It could occur while accessing files on a shared host directory. A privileged user inside guest could use this flaw to access host file system beyond the shared folder and potentially escalating their privileges on a host.

Affected software

QEMU

How to mitigate CVE-2017-7471

Update to version 2.9.0-r2.


External References

Related Security Bulletins