CVE-2022-51008 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, preventing legitimate players from joinin...

CVE-2022-51008

PocketMine-MP versions prior to 4.12.3 are vulnerable to a denial-of-service via unauthenticated session exhaustion. The server fails to limit connections that have not yet completed authentication, so an attacker can flood it with connections that occupy max-player slots without ever sending a L...

EUVD-2022-56036

PocketMine-MP before 4.7.2 fails to properly handle exceptions from the adhocore/json-comment library when parsing skin geometry data. Attackers can send login or skin packets with invalid geometry JSON to trigger an unhandled RuntimeException, causing server crash...

CVE-2022-51009 PocketMine-MP before 4.7.2 Denial of Service via Skin Geometry

PocketMine-MP before 4.7.2 fails to properly handle exceptions from the adhocore/json-comment library when parsing skin geometry data. Attackers can send login or skin packets with invalid geometry JSON to trigger an unhandled RuntimeException, causing server crash...

EUVD-2022-56035

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, preventing legitimate players from joinin...

CVE-2022-51009 PocketMine-MP before 4.7.2 Denial of Service via Skin Geometry

PocketMine-MP before 4.7.2 fails to properly handle exceptions from the adhocore/json-comment library when parsing skin geometry data. Attackers can send login or skin packets with invalid geometry JSON to trigger an unhandled RuntimeException, causing server crash...

CVE-2021-48007 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 operations or prevent clients from...

CVE-2021-48007

PocketMine-MP versions before 3.18.1 fail to validate NaN or INF values in the MovePlayerPacket position and rotation fields. A malicious client can send crafted movement packets containing invalid floating-point values, causing unhandled mathematical operations that crash the server (denial of s...

EUVD-2021-34877

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 operations or prevent clients from...

CVE-2021-48006 PocketMine-MP before 4.0.3 Operator Privilege Escalation via Case Sensitivity

PocketMine-MP before 4.0.3 does not perform case-insensitive matching when removing operator entries from ops.txt. The removeOp function lowercases the supplied name but only removes an exactly matching entry, so an operator name stored with non-lowercase letters cannot be revoked using the deop...

CVE-2021-48006

PocketMine-MP versions before 4.0.3 contain a case-sensitivity flaw in the removeOp function. When the deop command is issued, the function lowercases the supplied operator name but then performs an exact-match removal from ops.txt . As a result, any operator whose name was stored with uppercase ...

CVE-2020-37277

PocketMine-MP versions prior to 3.15.4 are affected by a denial of service vulnerability in the InventoryTransaction component's findResultItem() method. A malicious, authenticated client can send specially crafted InventoryTransactionPackets containing multiple conflicting pathways , causing exp...

EUVD-2021-34876

PocketMine-MP before 4.0.3 does not perform case-insensitive matching when removing operator entries from ops.txt. The removeOp function lowercases the supplied name but only removes an exactly matching entry, so an operator name stored with non-lowercase letters cannot be revoked using the deop...

CVE-2020-37277 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 cause exponential processing complexity,...

EUVD-2020-31270

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 cause exponential processing complexity,...

Logging of Excessive Data

Overview pocketmine/pocketmine-mp is a highly customisable, open source server software for Minecraft: Bedrock Edition written in PHP Affected versions of this package are vulnerable to Logging of Excessive Data through the processing of client data JWTs in LoginPacket. An attacker can cause...

GHSA-XP4F-G2CM-RHG7 PocketMine-MP has LogDoS by many junk properties in client data JWT in LoginPacket

Impact Attackers can fill the body of the clientData JWT in LoginPacket with lots of junk properties, causing the server to flood warning messages, as well as wasting CPU time. This happens because the JsonMapper instance used to process the JWT body is configured to warn on unexpected properties...

PocketMine-MP: Player entities can still die and drop items in flaggedForDespawn state

Summary When an entity dies, the entity is flagged for despawn, but remains in the World's entity table, meaning it's still accessible by doing World-getEntity$entityId and other methods. The same is true of a player when quitting the server. When a network packet arrives from a client to attack ...

GHSA-F9JP-856V-8642 PocketMine-MP: Player entities can still die and drop items in flaggedForDespawn state

Summary When an entity dies, the entity is flagged for despawn, but remains in the World's entity table, meaning it's still accessible by doing World-getEntity$entityId and other methods. The same is true of a player when quitting the server. When a network packet arrives from a client to attack ...

PocketMine-MP: Network amplification vulnerability with `ActorEventPacket`

Impact The server handles ActorEventPacket to trigger consuming animations from vanilla clients when they eat food or drink potions. This can be abused to make the server spam other clients, and to waste server CPU and memory. For every ActorEventPacket sent by the client, an animation event will...