CVE-2020-25650 describes a memory denial of service vulnerability in the spice-vdagentd daemon, affecting versions 0.20 and earlier across various Debian, Fedora, and Spice-Space products. An unprivileged local guest user could exploit a flaw in file transfer handling via the UNIX domain socket to disrupt the daemon or other VM processes. Rated Medium (CVSS 5.5), this vulnerability has low attack complexity and requires local user access, primarily impacting system availability. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 0.20.0CPE matchmatch criteria | cpe:2.3:a:spice-space:spice-vdagent:*:*:*:*:*:*:*:* | ||
9.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | ||
32CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* | ||
33CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
CVE-2020-25650
Jan 11, 2022A 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.
Nov 10, 2020spice-vdagent: memory DoS via arbitrary entries in active_xfers hash table
Nov 3, 2020