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Vulnerability · Published Nov 25, 2020 · Assigned by redhat

CVE-2020-25650

Medium 5.5

In plain English

A medium-severity resource allocation without limits in spice-vdagent. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 43% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.5%top 57.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8spice-vdagent0.20.0-3.el8ALSA-2021:1791
Debian:12spice-vdagent0.20.0-2DEBIAN-CVE-2020-25650
Debian:13spice-vdagent0.20.0-2DEBIAN-CVE-2020-25650
Debian:14spice-vdagent0.20.0-2DEBIAN-CVE-2020-25650
Rocky Linux:8spice-vdagent0:0.20.0-3.el8RLSA-2021:1791

Affected products (as reported)

VendorProductVersions
n/a spice-vdagent spice-vdagent versions prior and including 0.20

Weakness: CWE-770

References