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CVE-2018-21035
Published: Feb 28, 2020
Modified: Aug 5, 2024
PUBLISHED
CVSS v3.0
8.6
HIGH
Description
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).
| Vendor | Product | Versions |
|---|---|---|
n/a | n/a | affected n/a |
CVSS v3.0 Details
CVSS v3.0 Vector
CVSS:3.0/AC:L/AV:N/A:H/C:N/I:N/PR:N/S:C/UI:N
Attack Complexity
Low
Attack Vector
Network
Availability
High
Confidentiality
None
Integrity
None
Privileges Required
None
Scope
Changed
User Interaction
None
References
https://codereview.qt-project.org/c/qt/qtwebsockets/+/284735
x_refsource_MISC
https://bugreports.qt.io/browse/QTBUG-70693
x_refsource_MISC
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