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WS-2022-0034
Good to know:
Date: January 21, 2022
Unhandled exception when decoding form response JSON in PocketMine-MP before version 4.0.7. When handling form responses from the client (ModalFormResponsePacket), the Minecraft Windows client may send weird JSON that json_decode() can't understand. A workaround for this is implemented in InGamePacketHandler::stupid_json_decode(). An InvalidArgumentException is thrown by this function when it fails to fix an error found in the JSON, which is not caught by the caller. This leads to a server crash.
Language: PHP
Severity Score
Severity Score
Weakness Type (CWE)
Improper Check for Unusual or Exceptional Conditions
CWE-754Top Fix
CVSS v3.1
| Base Score: |
|
|---|---|
| Attack Vector (AV): | NETWORK |
| Attack Complexity (AC): | LOW |
| Privileges Required (PR): | NONE |
| User Interaction (UI): | NONE |
| Scope (S): | UNCHANGED |
| Confidentiality (C): | NONE |
| Integrity (I): | NONE |
| Availability (A): | HIGH |