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GHSA-hhr9-rh25-hvf9

HighCVSS 7.5 / 10
Published Jul 20, 2023·Last modified Nov 8, 2023
Affected Components(0)

No affected components available

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

Risk Scores
Base Score
7.5

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 high impact on the availability of the system.

Threat Intelligence
6.9

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

EPSS
1.19%

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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High severity
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