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Vulnerability · Published Nov 26, 2020 · Assigned by redhat

CVE-2020-25653

Medium 6.3

In plain English

A medium-severity race condition 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 0.3% (higher than 26% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)6.3Medium
Exploit odds (30 days)0.3%top 73.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

A race condition vulnerability was found in the way the spice-vdagentd daemon handled new client connections. This flaw may allow an unprivileged local guest user to become the active agent for spice-vdagentd, possibly resulting in a denial of service or information leakage from the host. The highest threat from this vulnerability is to data confidentiality as well as 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-2020-25653
Debian:13spice-vdagent0.20.0-2DEBIAN-CVE-2020-25653
Debian:14spice-vdagent0.20.0-2DEBIAN-CVE-2020-25653
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-362

References