CVE-2019-12929

Name	CVE-2019-12929
Description	DISPUTED The QMP guest_exec command in QEMU 4.0.0 and earlier is prone to OS command injection, which allows the attacker to achieve code execution, denial of service, or information disclosure by sending a crafted QMP command to the listening server. Note: This has been disputed as a non-issue since QEMU's -qmp interface is meant to be used by trusted users. If one is able to access this interface via a tcp socket open to the internet, then it is an insecure configuration issue.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severity	high

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
qemu (PTS)	jessie	1:2.1+dfsg-12+deb8u6	vulnerable
	jessie (security)	1:2.1+dfsg-12+deb8u12	vulnerable
	stretch (security), stretch	1:2.8+dfsg-6+deb9u8	vulnerable
	buster	1:3.1+dfsg-8+deb10u2	vulnerable
	buster (security)	1:3.1+dfsg-8+deb10u3	vulnerable
	bullseye, sid	1:4.2-1	vulnerable

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
qemu	source	(unstable)	(unfixed)	unimportant
qemu-kvm	source	(unstable)	(unfixed)	unimportant

Notes

https://fakhrizulkifli.github.io/posts/2019/06/06/CVE-2019-12929/
The QEMU machine protocol (QMP) should not be exposed to unprivileged users,
and is only intended for administrative control of QEMU instances.