CVE Vulnerability

CVE-2020-36049

socket.io-parser before 3.4.1 allows attackers to cause a denial of service (memory consumption) via a large packet because a concatenation approach is used.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

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

References
Link Resource
https://blog.caller.xyz/socketio-engineio-dos/ Exploit Third Party Advisory
https://github.com/bcaller/kill-engine-io Third Party Advisory
https://github.com/socketio/socket.io-parser/commit/dcb942d24db97162ad16a67c2a0cf30875342d55 Patch Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:socket:socket.io-parser:*:*:*:*:*:node.js:*:*
Information

Published : 2021-01-08 12:15

Updated : 2021-07-21 11:39

NVD link : CVE-2020-36049

Mitre link : CVE-2020-36049

Products Affected
No products.
CWE
CWE-1325

Improperly Controlled Sequential Memory Allocation