multiparty@4.2.3 and lower versions are vulnerable to denial of service via uncaught exception. By sending a multipart/form-data request with a Content-Disposition header whose filename* parameter contains a malformed percent-encoding, the parser invokes decodeURI on the value without try/catch. The resulting URIError propagates as an uncaught exception and crashes the process. Impact: any service accepting multipart uploads via multiparty is affected. Workarounds: none. Upgrade to multiparty@4.3.0 or higher.
Weakness
The product does not handle or incorrectly handles an exceptional condition.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Multiparty | Pillarjs | * | 4.3.0 (excluding) |
| Node-multiparty | Ubuntu | upstream | * |