Executive Summary

Informations
Name CVE-2018-21035 First vendor Publication 2020-02-28
Vendor Cve Last vendor Modification 2024-11-21

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Overall CVSS Score 7.5
Base Score 7.5 Environmental Score 7.5
impact SubScore 3.6 Temporal Score 7.5
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact None
Integrity Impact None Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:N/I:N/A:P)
Cvss Base Score 5 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

In Qt through 5.14.1, the WebSocket implementation accepts up to 2GB for frames and 2GB for messages. Smaller limits cannot be configured. This makes it easier for attackers to cause a denial of service (memory consumption).

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-21035

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-770 Allocation of Resources Without Limits or Throttling

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 94

Sources (Detail)

https://bugreports.qt.io/browse/QTBUG-70693
https://codereview.qt-project.org/c/qt/qtwebsockets/+/284735
Source Url

Alert History

If you want to see full details history, please login or register.
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Date Informations
2024-11-28 13:18:00
  • Multiple Updates
2024-08-02 12:57:47
  • Multiple Updates
2024-08-02 01:16:17
  • Multiple Updates
2024-02-02 01:55:55
  • Multiple Updates
2024-02-01 12:15:24
  • Multiple Updates
2023-09-05 12:53:45
  • Multiple Updates
2023-09-05 01:15:07
  • Multiple Updates
2023-09-02 12:53:12
  • Multiple Updates
2023-09-02 01:15:24
  • Multiple Updates
2023-08-12 12:57:01
  • Multiple Updates
2023-08-12 01:14:40
  • Multiple Updates
2023-08-11 12:51:02
  • Multiple Updates
2023-08-11 01:15:04
  • Multiple Updates
2023-08-06 12:49:31
  • Multiple Updates
2023-08-06 01:14:38
  • Multiple Updates
2023-08-04 12:49:44
  • Multiple Updates
2023-08-04 01:14:44
  • Multiple Updates
2023-07-14 12:49:45
  • Multiple Updates
2023-07-14 01:14:44
  • Multiple Updates
2023-03-29 01:51:12
  • Multiple Updates
2023-03-28 12:15:03
  • Multiple Updates
2022-10-11 12:44:33
  • Multiple Updates
2022-10-11 01:14:43
  • Multiple Updates
2021-08-12 12:29:44
  • Multiple Updates
2021-06-17 01:27:52
  • Multiple Updates
2021-05-05 01:30:53
  • Multiple Updates
2021-05-04 13:14:32
  • Multiple Updates
2021-04-22 02:29:28
  • Multiple Updates
2020-09-03 01:23:01
  • Multiple Updates
2020-05-24 01:25:34
  • Multiple Updates
2020-05-23 01:13:07
  • First insertion