漏洞信息
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Vulnerability Title
Tempo fee sponsorship in mpp bounds each transaction but not aggregate exposure, allowing concurrent sponsor-wallet drain
Vulnerability Description
Allocation of Resources Without Limits or Throttling in ZenHive mpp allows an unauthenticated remote client to drain the fee-payer wallet through concurrent sponsored payments, denying service to legitimate payers once it is empty.
MPP.Methods.Tempo.FeePayerPolicy enforces its ceilings (max_gas, max_fee_per_gas, max_priority_fee_per_gas, the worst-case gas_limit * max_fee_per_gas <= max_total_fee budget cap, and a validity window) against one transaction at a time, and nothing accounts for exposure across concurrent requests. reserve_hash_atomic/2 is keyed on the transaction hash, so it prevents duplicate broadcast of the same signed transaction but not N distinct sponsored transactions carrying distinct expiring nonces. Committed sponsor exposure is therefore N times max_total_fee, bounded by nothing in the library, and the default 900 second validity window lets co-signed transactions stay broadcastable and uncounted for that entire period.
This issue affects mpp: from 0.2.0 before 0.12.0.
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N
Vulnerability Type
不加限制或调节的资源分配
Vulnerability Title
ZenHive MPP 资源管理错误漏洞
Vulnerability Description
ZenHive MPP是ZenHive组织开源的一款嵌入式服务器。 ZenHive MPP 0.2.0版本至0.12.0之前版本存在资源管理错误漏洞,该漏洞源于资源分配未设置限制或节流,FeePayerPolicy仅针对单笔交易执行费用上限,未考虑并发请求的累积暴露,可能导致未经身份验证的远程攻击者通过并发赞助支付耗尽费用支付者钱包,从而拒绝为合法支付者提供服务。
CVSS Information
N/A
Vulnerability Type
N/A