CVE-2020-25653

Publication date 3 November 2020

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

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.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
spice-vdagent	24.04 LTS noble	Fixed 0.20.0-1ubuntu0.1
	23.10 mantic	Fixed 0.20.0-1ubuntu0.1
	23.04 lunar	Fixed 0.20.0-1ubuntu0.1
	22.10 kinetic	Fixed 0.20.0-1ubuntu0.1
	22.04 LTS jammy	Fixed 0.20.0-1ubuntu0.1
	21.10 impish	Fixed 0.20.0-1ubuntu0.1
	21.04 hirsute	Fixed 0.20.0-1ubuntu0.1
	20.10 groovy	Fixed 0.20.0-1ubuntu0.1
	20.04 LTS focal	Fixed 0.19.0-2ubuntu0.2
	18.04 LTS bionic	Fixed 0.17.0-1ubuntu2.2
	16.04 LTS xenial	Vulnerable
	14.04 LTS trusty	Not in release

Severity score breakdown

Parameter	Value
Base score	6.3 · Medium
Attack vector	Local
Attack complexity	High
Privileges required	Low
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H

References

Related Ubuntu Security Notices (USN)