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GHSA-cqmj-92xf-r6r9

HighCVSS 7.3 / 10
Published May 23, 2023·Last modified Nov 18, 2024
Affected Components(0)

No affected components available

Description

Impact

A specially crafted Socket.IO packet can trigger an uncaught exception on the Socket.IO server, thus killing the Node.js process.

TypeError: Cannot convert object to primitive value
       at Socket.emit (node:events:507:25)
       at .../node_modules/socket.io/lib/socket.js:531:14

Patches

A fix has been released today (2023/05/22):

  • https://github.com/socketio/socket.io-parser/commit/3b78117bf6ba7e99d7a5cfc1ba54d0477554a7f3, included in socket.io-parser@4.2.3
  • https://github.com/socketio/socket.io-parser/commit/2dc3c92622dad113b8676be06f23b1ed46b02ced, included in socket.io-parser@3.4.3

Another fix has been released for the 3.3.x branch:

  • https://github.com/socketio/socket.io-parser/commit/ee006607495eca4ec7262ad080dd3a91439a5ba4, included in `socket.io-parser@3.3.4

| socket.io version | socket.io-parser version | Needs minor update? | |---------------------|---------------------------------------------------------------------------------------------------------|--------------------------------------| | 4.5.2...latest | ~4.2.0 (ref) | npm audit fix should be sufficient | | 4.1.3...4.5.1 | ~4.1.1 (ref) | Please upgrade to socket.io@4.6.x | | 3.0.5...4.1.2 | ~4.0.3 (ref) | Please upgrade to socket.io@4.6.x | | 3.0.0...3.0.4 | ~4.0.1 (ref) | Please upgrade to socket.io@4.6.x | | 2.3.0...2.5.0 | ~3.4.0 (ref) | npm audit fix should be sufficient |

Workarounds

There is no known workaround except upgrading to a safe version.

For more information

If you have any questions or comments about this advisory:

  • Open a discussion here

Thanks to @rafax00 for the responsible disclosure.

Risk Scores
Base Score
7.3

The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker does not need any special privileges or access rights. No user interaction is needed for the attacker to exploit this vulnerability. The impact is confined to the system where the vulnerability exists. There is a low impact on the confidentiality of the information. There is a low impact on the integrity of the data. There is a low impact on the availability of the system.

Threat Intelligence
6.7

Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.

EPSS
1.06%

The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.

Exploit
Not available

We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.

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