Vulnerability identifier: #VU6936
Vulnerability risk: Low
CVSSv3.1: 6.2 [CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-284
Exploitation vector: Local network
Exploit availability: No
Vulnerable software:
QEMU
Client/Desktop applications /
Virtualization software
Vendor: QEMU
Description
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.
Mitigation
Update to version 2.9.0-r2.
Vulnerable software versions
QEMU: 0.15.2 - 2.9.0
External links
http://git.qemu.org/?p=qemu.git;a=commitdiff;h=9c6b899f7a46893ab3b671e341a2234e9c0c060e
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.