漏洞信息
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Vulnerability Title
libp2p-rust: Gossipsub PRUNE.backoff Duration Overflow
Vulnerability Description
libp2p-rust is the official rust language Implementation of the libp2p networking stack. In versions prior to 0.49.3, the Gossipsub implementation accepts attacker-controlled PRUNE backoff values and may perform unchecked time arithmetic when storing backoff state. A specially crafted PRUNE control message with an extremely large backoff (e.g. u64::MAX) can lead to Duration/Instant overflow during backoff update logic, triggering a panic in the networking state machine. This is remotely reachable over a normal libp2p connection and does not require authentication. Any application exposing a libp2p Gossipsub listener and using the affected backoff-handling path can be crashed by a network attacker that can reach the service port. The attack can be repeated by reconnecting and replaying the crafted control message. This issue has been fixed in version 0.49.3.
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Vulnerability Type
整数溢出或超界折返
Vulnerability Title
rust-libp2p 输入验证错误漏洞
Vulnerability Description
rust-libp2p是libp2p开源的一种 libp2p 网络堆栈的 Rust 实现。 rust-libp2p 0.49.3之前版本存在输入验证错误漏洞,该漏洞源于Gossipsub实现接受攻击者控制的PRUNE退避值并可能执行未检查的时间运算,可能导致网络状态机崩溃。
CVSS Information
N/A
Vulnerability Type
N/A