Vendor
pmmp
33 known vulnerabilities.
Products
22 results · Clear filters · Feed
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Medium 6.5
PocketMine-MP before 5.39.2 Denial of Service via ModalFormResponsePacket
PocketMine-MP versions before 5.39.2 fail to limit JSON payload size in ModalFormResponsePacket handling, allowing authenticated players to cause denial of service. Attackers can send modal form response packets with massive JSON arrays to exhaust server memo…
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Medium 4.3
PocketMine-MP before 5.39.2 Network Amplification via ActorEventPacket
PocketMine-MP versions before 5.39.2 contain a network amplification vulnerability in ActorEventPacket handling that allows clients to trigger consuming animations for all visible players. Attackers can send crafted ActorEventPacket messages to spam animation…
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Medium 5.3
PocketMine-MP before 5.42.1 LogDoS via LoginPacket clientData JWT
PocketMine-MP versions before 5.42.1 contain a denial of service vulnerability in the LoginPacket handler that allows remote attackers to flood warning messages by injecting numerous junk properties into the clientData JWT. Attackers can craft malicious login…
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Medium 4.2
PocketMine-MP before 5.44.2 Denial of Service via ResourcePackClientResponsePacket
PocketMine-MP versions before 5.44.2 fail to properly validate multiple ResourcePackClientResponsePacket packets with STATUS_COMPLETED status during resource pack handling. Malicious clients can send batches of these packets to repeatedly trigger pre-spawn pr…
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Medium 5.3
PocketMine-MP before 5.25.2 Denial of Service via explode
PocketMine-MP versions before 5.25.2 fail to limit the explode() function in packet parsing, allowing malicious clients to waste server resources. Attackers can send crafted packets with excessive delimiters to consume CPU and memory through sign editing, JWT…
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Medium 6.5
PocketMine-MP before 5.32.1 Denial of Service via ResourcePackClientResponsePacket
PocketMine-MP before 5.32.1 fails to validate uniqueness of pack UUIDs in ResourcePackClientResponsePacket STATUS_SEND_PACKS handling, allowing authenticated clients to trigger duplicate pack transmissions. Attackers can send multiple copies of valid pack UUI…
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Medium 6.5
PocketMine-MP before 4.8.1 Server Crash via Banner NBT
PocketMine-MP versions before 4.8.1 fail to validate dye color IDs in banner NBT data during deserialization. Attackers can provide invalid color values in inventory transactions or via commands to trigger undefined offset errors and crash the server.
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Medium 6.5
PocketMine-MP before 5.11.2 Denial of Service via BookEditPacket
PocketMine-MP versions before 5.11.2 contain a denial of service vulnerability in BookEditPacket handling that crashes the server when an invalid inventory slot value is provided. Attackers can send a crafted BookEditPacket with an inventory slot greater than…
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Medium 4.3
PocketMine-MP before 4.12.5 Denial of Service via ModalFormResponsePacket
PocketMine-MP versions before 4.12.5 contain a denial-of-service vulnerability in ModalFormResponsePacket processing that allows attackers to cause server resource exhaustion by sending large JSON payloads. Attackers can send numerous oversized modal form res…
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Medium 4.3
PocketMine-MP before 4.18.0-ALPHA2 Bandwidth Amplification via InventoryTransactionPacket
PocketMine-MP before 4.18.0-ALPHA2 fails to rate-limit mismatch type InventoryTransactionPacket requests, allowing attackers to trigger excessive inventory synchronization. Attackers can send numerous mismatch transactions to force the server to transmit larg…
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Medium 6.5
PocketMine-MP before 4.22.3 Denial of Service via BlockActorDataPacket
PocketMine-MP versions >= 4.20.0 before 4.22.3 (and before 5.2.1 in the 5.x branch) fail to validate NBT tag types in BlockActorDataPacket. A player can crash the server by sending a packet containing sign NBT data with an incorrect tag type, triggering an un…
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Medium 6.5
PocketMine-MP before 3.26.5 and 4.0.5 Input Validation via Book Pages
PocketMine-MP before 3.26.5 and 4.0.x before 4.0.5 does not limit book page text length, page count, or author/title length. A player who obtains a writable book can create oversized NBT ('book bombs'), causing excess bandwidth consumption and server crashes …
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Medium 6.1
PocketMine-MP 3.x before 3.27.0 Authentication Bypass via Login Replay
PocketMine-MP 3.x (before 3.27.0) does not implement Minecraft Bedrock protocol encryption, so the server cannot verify that a connecting client possesses the private key corresponding to its login token. An attacker who captures a valid login from another pl…
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Medium 6.5
PocketMine-MP before 4.0.6 Denial of Service via PlayerActionPacket
PocketMine-MP before 4.0.6 does not validate facing values in PlayerActionPacket (for START_BREAK and CRACK_BREAK actions) or in UseItemTransactionData (typically within InventoryTransactionPacket). A remote authenticated attacker can send crafted packets wit…
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Medium 6.5
PocketMine-MP before 4.0.7 Denial of Service via JSON Decoding
PocketMine-MP before 4.0.7 contains an unhandled exception vulnerability in the ModalFormResponsePacket handler when processing malformed JSON from clients. Attackers can send specially crafted form response packets with invalid JSON to trigger an uncaught In…
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Medium 6.5
PocketMine-MP before 4.2.3 Denial of Service via NBT Metadata
PocketMine-MP versions before 4.2.3 fail to validate damage metadata values in tool and armor item NBT data received from clients. Attackers can send negative or out-of-range damage values in itemstack NBT to trigger unhandled exceptions in the Durable class,…
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Medium 6.5
PocketMine-MP before 4.2.9 Denial of Service via NBT Deserialization
PocketMine-MP versions before 4.2.9 fail to properly validate NBT data types during deserialization of inventory transaction packets from clients. Attackers can send crafted inventory transactions with malformed NBT tags to trigger server crashes and cause de…
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Medium 6.5
PocketMine-MP before 4.4.2 Server Crash via Item ID
PocketMine-MP versions before 4.4.2 fail to properly validate item IDs received from clients in itemstack NBT data. Attackers can send crafted item IDs outside the valid range to trigger an uncaught exception that crashes the server.
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Medium 4.3
PocketMine-MP before 4.2.10 Denial of Service via Chat Messages
PocketMine-MP before 4.2.10 fails to validate the total length of incoming chat message blobs before splitting them by newline characters, allowing attackers to send large messages containing many newlines. Malicious clients can send megabyte-sized chat packe…
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Medium 5.3
PocketMine-MP before 4.12.3 Denial of Service via Unauthenticated Sessions
PocketMine-MP before 4.12.3 fails to limit unauthenticated sessions, allowing attackers to exhaust player slots by creating sessions without sending LoginPacket. Attackers can flood the server with unauthenticated connections that occupy max-player slots, pre…
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Medium 6.5
PocketMine-MP before 3.18.1 Denial of Service via MovePlayerPacket
PocketMine-MP versions before 3.18.1 fail to validate NaN or INF values in MovePlayerPacket position and rotation fields. Malicious clients can send crafted movement packets with invalid floating-point values to crash servers through unhandled mathematical op…
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Medium 6.5
PocketMine-MP before 3.15.4 Denial of Service via InventoryTransaction
PocketMine-MP versions before 3.15.4 contain a denial of service vulnerability in the InventoryTransaction component's findResultItem() method. Malicious clients can send specially crafted InventoryTransactionPackets with multiple conflicting pathways to caus…