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Vulnerability · Published Nov 26, 2020 · Assigned by redhat

CVE-2020-25652

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 0.4% (higher than 38% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.4%top 61.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

A flaw was found in the spice-vdagentd daemon, where it did not properly handle client connections that can be established via the UNIX domain socket in `/run/spice-vdagentd/spice-vdagent-sock`. Any unprivileged local guest user could use this flaw to prevent legitimate agents from connecting to the spice-vdagentd daemon, resulting in a denial of service. The highest threat from this vulnerability is to system availability. This flaw affects spice-vdagent versions 0.20 and prior.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8spice-vdagent0.20.0-3.el8ALSA-2021:1791
Debian:12spice-vdagent0.20.0-2DEBIAN-CVE-2020-25652
Debian:13spice-vdagent0.20.0-2DEBIAN-CVE-2020-25652
Debian:14spice-vdagent0.20.0-2DEBIAN-CVE-2020-25652
Rocky Linux:8spice-vdagent0:0.20.0-3.el8RLSA-2021:1791

Affected products (as reported)

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

Weakness: CWE-770

References