GHSA-hhr9-rh25-hvf9: Feathers socket handler allows abusing implicit toString

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CVE-2023-37899

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1. GitHub Advisory Database
2. GitHub Reviewed
3. CVE-2023-37899

Feathers socket handler allows abusing implicit toString

High severity GitHub Reviewed Published Jul 19, 2023 in feathersjs/feathers

Vulnerability details Dependabot alerts 0

Package

npm @feathersjs/socketio (npm)

Affected versions

<= 4.5.17

>= 5.0.0, <= 5.0.7

Patched versions

4.5.18

5.0.8

npm @feathersjs/transport-commons (npm)

<= 4.5.17

>= 5.0.0, <= 5.0.7

4.5.18

5.0.8

Description

Impact

Feathers socket handler did not catch invalid string conversion errors like:

const message = `${{ toString: ‘’ }}`

Causing the NodeJS process to crash when sending an unexpected Socket.io message like

socket.emit('find’, { toString: ‘’ })

Patches

A fix has been released in

• v5.0.8 via #3241
• v4.5.18 via #3242

Workarounds

Since it is in the core Socket handling code upgrading to the latest version is necessary.

References

• v5.0.8 Changelog
• v4.5.18 Changelog

References

• GHSA-hhr9-rh25-hvf9
• https://nvd.nist.gov/vuln/detail/CVE-2023-37899
• feathersjs/feathers#3241
• feathersjs/feathers#3242
• feathersjs/feathers@0b9a6b1
• feathersjs/feathers@c397ab3
• https://github.com/feathersjs/feathers/blob/crow/CHANGELOG.md#4518-2023-07-19
• https://github.com/feathersjs/feathers/blob/dove/CHANGELOG.md#508-2023-07-19

daffl published to feathersjs/feathers

Jul 19, 2023

Published to the GitHub Advisory Database

Jul 20, 2023

Reviewed

Jul 20, 2023

Severity

High

7.5

/ 10

CVSS base metrics

Attack vector

Network

Attack complexity

Low

Privileges required

None

User interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

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

Weaknesses

CWE-754

CVE ID

CVE-2023-37899

GHSA ID

GHSA-hhr9-rh25-hvf9

Source code

feathersjs/feathers

Credits

• CodeanIO Reporter

Checking history

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