CVE-2021-3700

medium

Description

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.

References

https://bugzilla.redhat.com/show_bug.cgi?id=1992830

https://gitlab.freedesktop.org/spice/usbredir/-/commit/03c519ff5831ba

https://lists.debian.org/debian-lts-announce/2022/03/msg00030.html

Details

Source: MITRE

Published: 2022-02-24

Updated: 2022-04-25

Type: CWE-416

Risk Information

CVSS v2

Base Score: 4.4

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

Impact Score: 6.4

Exploitability Score: 3.4

Severity: MEDIUM

CVSS v3

Base Score: 6.4

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

Impact Score: 5.9

Exploitability Score: 0.5

Severity: MEDIUM