Insufficient validation when decoding a Socket.IO packet
CVE-2023-32695

7.5HIGH

Key Information:

Vendor

socketio

Status
socket.io-parser
Vendor
CVE Published:
27 May 2023

What is CVE-2023-32695?

The Socket.IO parser, which encodes and decodes Socket.IO communications in JavaScript, has a vulnerability that can lead to an uncaught exception on the Socket.IO server. This flaw allows specially crafted Socket.IO packets to cause the Node.js process to terminate unexpectedly. A patch has been made available in version 4.2.3 to address this issue.

Affected Version(s)

socket.io-parser >= 4.0.0, < 4.2.3 < 4.0.0, 4.2.3

socket.io-parser >= 3.4.0, < 3.4.3 < 3.4.0, 3.4.3

References

https://github.com/socketio/socket.io-parser/security/adv...
x_refsource_CONFIRM
https://github.com/socketio/socket.io-parser/commit/2dc3c...
x_refsource_MISC
https://github.com/socketio/socket.io-parser/commit/3b781...
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.