CVE-2020-25650

Name	CVE-2020-25650
Description	A flaw was found in the way the spice-vdagentd daemon handled file transfers from the host system to the virtual machine. Any unprivileged local guest user with access to the UNIX domain socket path `/run/spice-vdagentd/spice-vdagent-sock` could use this flaw to perform a memory denial of service for spice-vdagentd or even other processes in the VM system. The highest threat from this vulnerability is to system availability. This flaw affects spice-vdagent versions 0.20 and previous versions.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)
References	DLA-2524-1
Debian Bugs	973769

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
spice-vdagent (PTS)	buster	0.18.0-1	vulnerable
	bullseye	0.20.0-2	fixed
	bookworm, sid	0.22.1-3	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
spice-vdagent	source	stretch	0.17.0-1+deb9u1		DLA-2524-1
spice-vdagent	source	(unstable)	0.20.0-2			973769

Notes

[buster] - spice-vdagent <no-dsa> (Minor issue)
https://www.openwall.com/lists/oss-security/2020/11/04/1
https://gitlab.freedesktop.org/spice/linux/vd_agent/-/commit/1a8b93ca6ac0b690339ab7f0afc6fc45d198d332
https://gitlab.freedesktop.org/spice/linux/vd_agent/-/commit/9d35d8a86fb310fc1f29d428c0a96995948d2357