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Veracode Vulnerability DatabaseVERACODE:28927

HistoryJan 08, 2021 - 4:57 a.m.

Denial Of Service (DoS)

2021-01-0804:57:29

Veracode Vulnerability Database

sca.analysiscenter.veracode.com

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

JSON

engine.io is vulnerable to denial of service. An attacker is able to crash the server by sending malicious requests containing large amount of data.

CPENameOperatorVersion
engine.iole3.5.0
engine.iole3.2.1
engine.iole3.4.4
engine.ioeq1.6.8

Name	Operator	Version
engine.io	le	3.5.0
engine.io	le	3.2.1
engine.io	le	3.4.4
engine.io	eq	1.6.8

References

blog.caller.xyz/socketio-engineio-dos/

github.com/bcaller/kill-engine-io

github.com/socketio/engine.io/commit/734f9d1268840722c41219e69eb58318e0b2ac6b

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

JSON

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