CVE-2020-25653
Published: 3 November 2020
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.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
spice-vdagent Launchpad, Ubuntu, Debian |
bionic |
Released
(0.17.0-1ubuntu2.2)
|
| focal |
Released
(0.19.0-2ubuntu0.2)
|
|
| groovy |
Released
(0.20.0-1ubuntu0.1)
|
|
| hirsute |
Released
(0.20.0-1ubuntu0.1)
|
|
| impish |
Released
(0.20.0-1ubuntu0.1)
|
|
| jammy |
Released
(0.20.0-1ubuntu0.1)
|
|
| kinetic |
Released
(0.20.0-1ubuntu0.1)
|
|
| lunar |
Released
(0.20.0-1ubuntu0.1)
|
|
| mantic |
Released
(0.20.0-1ubuntu0.1)
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Needed
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 6.3 |
| 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 |