CVE-2020-25653

medium

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.

References

https://bugzilla.redhat.com/show_bug.cgi?id=1886372

https://lists.debian.org/debian-lts-announce/2021/01/msg00012.html

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GQT56LATVTB2DJOVVJOKQVMVUXYCT2VB/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OIWJ2EIQXWEA2VDBODEATHAT37X4CREP/

https://www.openwall.com/lists/oss-security/2020/11/04/1

Details

Source: Mitre, NVD

Published: 2020-11-26

Risk Information

CVSS v2

Base Score: 5.4

Vector: CVSS2#AV:L/AC:M/Au:N/C:P/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 6.3

Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H

Severity: Medium