WebSocket Security Flaw in Browserify-HMR Affects Developers
CVE-2018-14730

7.5HIGH

Key Information:

Vendor

Browserify-hot Module Replacement Project

Status
Browserify-hot Module Replacement
Vendor
CVE Published:
21 September 2018

What is CVE-2018-14730?

A security issue has been identified in Browserify-HMR where the WebSocket server fails to validate the origin of incoming requests. This vulnerability allows attackers to intercept Hot Module Replacement (HMR) messages, enabling them to access and potentially steal developer code through unauthorized connections. Specifically, by establishing a connection to ws://127.0.0.1:3123/ from any origin, malicious actors can exploit this oversight, posing a significant risk to developers who rely on HMR for efficient code updates.

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References

https://github.com/AgentME/browserify-hmr/issues/41
x_refsource_MISC
https://blog.cal1.cn/post/Sniffing%20Codes%20in%20Hot%20M...
x_refsource_MISC

CVSS V3.1

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

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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