CVE-2021-3700

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 v3.0 6.4 MEDIUM
CVSS v2.0 4.4 MEDIUM

6.4^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 0.5 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

4.4^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 3.4 / Impact : 6.4

Access Vector LOCAL

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://bugzilla.redhat.com/show_bug.cgi?id=1992830	Issue Tracking Patch Third Party Advisory
https://gitlab.freedesktop.org/spice/usbredir/-/commit/03c519ff5831ba	Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/03/msg00030.html	Mailing List Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:a:spice-space:usbredir:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:redhat:enterprise_linux:6.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux:7.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux:8.0:::::::*

Configuration 3 (hide)

cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*

Configuration 4 (hide)

cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

Information

Published : 2022-02-24 11:15

Updated : 2022-04-25 13:47

NVD link : CVE-2021-3700

Mitre link : CVE-2021-3700

JSON object : View

CWE

CWE-416

Use After Free

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Products Affected

redhat

enterprise_linux

debian

debian_linux

fedoraproject

fedora

spice-space

usbredir

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