CVE-2023-54355

Summary

PocketMine-MP versions before 5.3.1 and 4.23.1 fail to validate that the identityPublicKey in LoginPacket uses the required secp384r1 elliptic curve. Attackers can provide LoginPackets with keys using different curves or non-EC key types to pass login verification but trigger an uncaught exception during ECDH key derivation, crashing the server.

Affected Software

VendorProductVersion RangeStatus
pmmpPocketMine-MP0 < 4.23.1affected
pmmpPocketMine-MP5.2.0 < 5.3.1affected

Weaknesses

  • CWE-347: Improper Verification of Cryptographic Signature

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: yes
    • Technical Impact: partial

References