CVE-2021-3700
Published: 24 February 2022
A use-after-free vulnerability was found in usbredir in versions prior to 0.11.0 in the usbredirparser_serialize() in usbredirparser/usbredirparser.c. This issue occurs when serializing large amounts of buffered write data in the case of a slow or blocked destination.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
usbredir Launchpad, Ubuntu, Debian |
bionic |
Released
(0.7.1-1ubuntu0.18.04.1)
|
| focal |
Released
(0.8.0-1ubuntu0.1)
|
|
| hirsute |
Ignored
(reached end-of-life)
|
|
| impish |
Ignored
(reached end-of-life)
|
|
| jammy |
Not vulnerable
(0.11.0-1)
|
|
| kinetic |
Not vulnerable
(0.11.0-1)
|
|
| trusty |
Released
(0.6-2ubuntu1.1+esm1)
|
|
| upstream |
Released
(0.11.0)
|
|
| xenial |
Released
(0.7.1-1ubuntu0.16.04.1~esm1)
|
|
|
Patches: upstream: https://gitlab.freedesktop.org/spice/usbredir/-/commit/03c519ff5831ba |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 6.4 |
| Attack vector | Local |
| Attack complexity | High |
| Privileges required | High |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H |