CVE-2018-21035

CVSS v3 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

I

n 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).

References

Link	Resource
https://bugreports.qt.io/browse/QTBUG-70693	Exploit Third Party Advisory
https://codereview.qt-project.org/c/qt/qtwebsockets/+/284735	Patch Third Party Advisory
https://bugreports.qt.io/browse/QTBUG-70693	Exploit Third Party Advisory
https://codereview.qt-project.org/c/qt/qtwebsockets/+/284735	Patch Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:qt:qt:*:*:*:*:*:*:*:*

History

21 Nov 2024, 04:02

Type	Values Removed	Values Added
References	~~() https://bugreports.qt.io/browse/QTBUG-70693 - Exploit, Third Party Advisory~~	() https://bugreports.qt.io/browse/QTBUG-70693 - Exploit, Third Party Advisory
References	~~() https://codereview.qt-project.org/c/qt/qtwebsockets/+/284735 - Patch, Third Party Advisory~~	() https://codereview.qt-project.org/c/qt/qtwebsockets/+/284735 - Patch, Third Party Advisory

Information

Published : 2020-02-28 21:15

Updated : 2024-11-21 04:02

NVD link : CVE-2018-21035

Mitre link : CVE-2018-21035

CVE.ORG link : CVE-2018-21035

JSON object : View

Products Affected

qt

CWE

CWE-770

Allocation of Resources Without Limits or Throttling

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