id: GO-2022-1148
modules:
    - module: github.com/libp2p/go-libp2p
      versions:
        - fixed: 0.18.0
      vulnerable_at: 0.18.0-rc1
      packages:
        - package: github.com/libp2p/go-libp2p
          symbols:
            - New
          derived_symbols:
            - DefaultStaticRelays
            - Muxer
            - NewWithoutDefaults
            - Security
            - Transport
        - package: github.com/libp2p/go-libp2p/config
          symbols:
            - MuxerConstructor
            - makeMuxer
            - TransportConstructor
            - makeTransports
            - makeArgumentConstructors
            - makeConstructor
            - SecurityConstructor
          derived_symbols:
            - Config.NewNode
        - package: github.com/libp2p/go-libp2p/p2p/host/autonat
          symbols:
            - client.DialBack
            - autoNATService.handleStream
          derived_symbols:
            - New
        - package: github.com/libp2p/go-libp2p/p2p/host/basic
          symbols:
            - BasicHost.newStreamHandler
          derived_symbols:
            - NewHost
        - package: github.com/libp2p/go-libp2p/p2p/protocol/circuitv1/relay
          symbols:
            - NewRelay
        - package: github.com/libp2p/go-libp2p/p2p/protocol/circuitv2/client
          symbols:
            - Client.connectV1
            - Client.connectV2
            - Client.Dial
        - package: github.com/libp2p/go-libp2p/p2p/protocol/circuitv2/relay
          symbols:
            - New
            - Relay.Close
            - Relay.handleStream
            - Relay.handleConnect
        - package: github.com/libp2p/go-libp2p/p2p/protocol/holepunch
          symbols:
            - Service.initiateHolePunch
            - Service.incomingHolePunch
            - Service.handleNewStream
          derived_symbols:
            - Service.DirectConnect
            - netNotifiee.Connected
summary: Resource exhaustion in github.com/libp2p/go-libp2p
description: |-
    go-libp2p is vulnerable to targeted resource exhaustion attacks.

    These attacks target libp2p's connection, stream, peer, and memory management.
    An attacker can cause the allocation of large amounts of memory ultimately
    leading to the process getting killed by the host's operating system.

    While a connection manager tasked with keeping the number of connections within
    manageable limits has been part of go-libp2p, this component was designed to
    handle the regular churn of peers, not a targeted resource exhaustion attack.

    It's recommend to update to v0.21.0 onwards to get some useful functionality
    that will help in production environments like better metrics around resource
    usage, Grafana dashboards around resource usage, allow list support, and default
    autoscaling limits.
cves:
    - CVE-2022-23492
ghsas:
    - GHSA-j7qp-mfxf-8xjw
references:
    - advisory: https://github.com/libp2p/go-libp2p/security/advisories/GHSA-j7qp-mfxf-8xjw
    - fix: https://github.com/libp2p/go-libp2p/commit/15d7dfbf54264ead8e6f49ca658d79c90635e2de