CVE-2021-3700

CVSS V2 Medium 4.4 CVSS V3 Medium 6.4
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.
Overview
  • CVE ID
  • CVE-2021-3700
  • Assigner
  • secalert@redhat.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2022-02-24T19:15:09
  • Last Modified Date
  • 2022-04-25T20:47:05
Weakness Enumerations
CWE URL
CWE-416 http://cwe.mitre.org/data/definitions/416.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:spice-space:usbredir:*:*:*:*:*:*:*:* 1 OR 0.11.0
cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:M/Au:N/C:P/I:P/A:P
  • Access Vector
  • LOCAL
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 4.4
  • Severity
  • MEDIUM
  • Exploitability Score
  • 3.4
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • HIGH
  • Privileges Required
  • HIGH
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 6.4
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 0.5
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
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
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-3700
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3700
History
Created Old Value New Value Data Type Notes
2022-05-10 06:26:38 Added to TrackCVE
2022-12-06 10:43:40 2022-02-24T19:15Z 2022-02-24T19:15:09 CVE Published Date updated
2022-12-06 10:43:40 2022-04-25T20:47:05 CVE Modified Date updated
2022-12-06 10:43:40 Analyzed Vulnerability Status updated