Access Control Bypass Affecting github.com/libp2p/go-libp2p-kad-dht package, versions <0.21.1


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    EPSS
    0.04% (11th percentile)

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  • Snyk ID SNYK-GOLANG-GITHUBCOMLIBP2PGOLIBP2PKADDHT-8309537
  • published 29 Oct 2024
  • disclosed 25 Oct 2024
  • credit Unknown

How to fix?

Upgrade github.com/libp2p/go-libp2p-kad-dht to version 0.21.1 or higher.

Overview

Affected versions of this package are vulnerable to Access Control Bypass through the assignment of routing information for content in the Kademlia DHT. An attacker can manipulate content resolution and effectively censor content by generating multiple Sybil peers with peer IDs closely matching the content ID.

References

CVSS Scores

version 4.0
version 3.1
Expand this section

Snyk

Recommended
6.9 medium
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Attack Requirements (AT)
    None
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Confidentiality (VC)
    Low
  • Integrity (VI)
    None
  • Availability (VA)
    None
  • Confidentiality (SC)
    None
  • Integrity (SI)
    None
  • Availability (SA)
    None