Executive Summary

Informations
Name CVE-2021-3700 First vendor Publication 2022-02-24
Vendor Cve Last vendor Modification 2022-04-25

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Overall CVSS Score 6.4
Base Score 6.4 Environmental Score 6.4
impact SubScore 5.9 Temporal Score 6.4
Exploitabality Sub Score 0.5
 
Attack Vector Local Attack Complexity High
Privileges Required High User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:L/AC:M/Au:N/C:P/I:P/A:P)
Cvss Base Score 4.4 Attack Range Local
Cvss Impact Score 6.4 Attack Complexity Medium
Cvss Expoit Score 3.4 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

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.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3700

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-416 Use After Free

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Os 1
Os 1
Os 3

Sources (Detail)

Source Url
MISC https://bugzilla.redhat.com/show_bug.cgi?id=1992830
https://gitlab.freedesktop.org/spice/usbredir/-/commit/03c519ff5831ba
MLIST https://lists.debian.org/debian-lts-announce/2022/03/msg00030.html

Alert History

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Date Informations
2022-04-26 02:05:46
  • Multiple Updates
2022-03-21 09:22:59
  • Multiple Updates
2022-03-05 00:22:58
  • Multiple Updates
2022-02-25 17:22:55
  • Multiple Updates
2022-02-25 00:22:54
  • First insertion