CVE-2020-25653 Information

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.

CVSS Vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H

Reference

https://bugzilla.redhat.com/show_bug.cgi?id=1886372 https://www.openwall.com/lists/oss-security/2020/11/04/1 https://lists.debian.org/debian-lts-announce/2021/01/msg00012.html https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OIWJ2EIQXWEA2VDBODEATHAT37X4CREP/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GQT56LATVTB2DJOVVJOKQVMVUXYCT2VB/

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

HIGH

Base Severity

6.3