CVE-2021-3700

Common vulnerabilities & exposures (CVE)

CVE database CVE database blogpost Release & EoL database

Published at: - 24-02-2022 08:15

Last modified: - 25-04-2022 10:47

Total changes: - 5

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.

Common Vulnerability Scoring System (CVSS)

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

High

Attack complexity

Local

Attack vector

High

Availability

High

Confidentiality

High

Integrity

High

Privileges required

Unchanged

Scope

None

User interaction

6.4

Base score

0.5

5.9

Exploitability score

Impact score

Verification logic

vendor=spice-space AND product=usbredir AND versionEndExcluding=0.11.0

vendor=Red Hat Enterprise Linux AND product=enterprise_linux AND version=6.0

vendor=Red Hat Enterprise Linux AND product=enterprise_linux AND version=7.0

vendor=Red Hat Enterprise Linux AND product=enterprise_linux AND version=8.0

vendor=fedoraproject AND product=fedora AND version=34

vendor=Debian AND product=debian_linux AND version=9.0

Reference

https://bugzilla.redhat.com/show_bug.cgi?id=1992830
https://gitlab.freedesktop.org/spice/usbredir/-/commit/03c519ff5831ba
[debian-lts-announce] 20220320 [SECURITY] [DLA 2958-1] usbredir security update-Mailing List, Third Party Advisory

Keywords

CVE-2021-3700

Common vulnerabilities & exposures (CVE)

Description

Common Vulnerability Scoring System (CVSS)

Verification logic

Reference

NVD

CVE-2021-3700

CVE

Common vulnerabilities & exposures

CVSS

Common vulnerability scoring system

Security

Vulnerabilities

Exposures