VulnerabilityModified
CVE-2018-14730
Attackers are able to steal developer's code because the origin of requests is not checked by the WebSocket server, which is used for HMR (Hot Module Replacement).
HIGH 7.5EPSS 1.69%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.69%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An issue was discovered in Browserify-HMR. Attackers are able to steal developer's code because the origin of requests is not checked by the WebSocket server, which is used for HMR (Hot Module Replacement). Anyone can receive the HMR message sent by the WebSocket server via a ws://127.0.0.1:3123/ connection from any origin.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 1.69% probability · 76th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-200
- Affected
- browserify-hot module replacement project/browserify-hot module replacement
- Source
- cve@mitre.org
References
- https://blog.cal1.cn/post/Sniffing%20Codes%20in%20Hot%20Module%20Reloading%20MessagesExploit, Third Party Advisory
- https://github.com/AgentME/browserify-hmr/issues/41Third Party Advisory
- https://blog.cal1.cn/post/Sniffing%20Codes%20in%20Hot%20Module%20Reloading%20MessagesExploit, Third Party Advisory
- https://github.com/AgentME/browserify-hmr/issues/41Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.