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WS-2020-0173
Good to know:
Date: October 2, 2020
socket.io-file through 2.0.31 is vulnerable to a file restriction bypass. The validation for valid file types only happens on the client-side, which allows an attacker to intercept the Websocket request post-validation and alter the 'name' value to upload any file types.
Language: JS
Severity Score
Related Resources (2)
Severity Score
Weakness Type (CWE)
Improper Access Control
CWE-284Top Fix
CVSS v3.1
| Base Score: |
|
|---|---|
| Attack Vector (AV): | NETWORK |
| Attack Complexity (AC): | LOW |
| Privileges Required (PR): | LOW |
| User Interaction (UI): | REQUIRED |
| Scope (S): | UNCHANGED |
| Confidentiality (C): | LOW |
| Integrity (I): | LOW |
| Availability (A): | HIGH |