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CVE-2021-3700

Published: Feb 24, 2022Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-416
NVD MITRE
6.4CVSSMEDIUM
EPSS Score
0.3%
Top 78.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:LAC:HPR:HUI:NS:UC:HI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:HAttack Complexity
High
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-416

Affected Products

Astra Linux Special EditionООО «РусБИТех-Астра»
On-premOS
Operating Systems / linux-distro
Debian GNU/LinuxСообщество свободного программного обеспечения
On-premOS
Operating Systems / linux-distro
Astra Linux Special Edition для «Эльбрус»ООО «РусБИТех-Астра»
On-premOS
Operating Systems / linux-distro
Альт 8 СПАО «ИВК»
On-premOS
Operating Systems / linux-distro
UsbredirSPICE project
Mixed
Cloud & SaaS / virtualization
ооо «русбитех-астра»commercialRUOperating Systemsaka rusbitech-astra
сообщество свободного программного обеспеченияoss-projectOperating Systemsaka сообщество свободного программного обеспечения, fsf
ао «ивк»commercialRUOperating Systemsaka ivk
spice projectoss-projectCloud & SaaSaka spice, usbredir
and 6 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://gitlab.freedesktop.org/spice/usbredir/-/commit/03c519ff5831ba
gitlab.freedesktop.org
https://nvd.nist.gov/vuln/detail/CVE-2021-3700
nvd.nist.gov
https://security-tracker.debian.org/tracker/CVE-2021-3700
security-tracker.debian.org
and 9 more references View all →

Timeline

Published
Feb 24, 2022
Last Updated
Nov 21, 2024

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