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CVE-2019-15545 — Vulnerability in libp2p-core — CVE Details

HIGH

Failure to properly verify ed25519 signatures in libp2p-core

Published August 25, 2021Updated November 8, 2023Source: osv

Summary

Affected versions of this crate did not properly verify ed25519 signatures. Any signature with a correct length was considered valid. This allows an attacker to impersonate any node identity.

Advisory Timeline

  • First published August 25, 2021 (1874 days ago).
  • Last revised November 8, 2023 — 804 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

Cargo
Update libp2p-core to 0.8.1 or later
cargo update -p libp2p-core --precise 0.8.1

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (1)

Affects 1 ecosystem: crates.io (1).

PackageEcosystemAffectedFixed In
libp2p-core
crates.io
All versions0.8.1

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

  • CWE-347
    Improper Verification of Cryptographic SignatureMITRE

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 7.5 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

References

Frequently Asked Questions

What is CVE-2019-15545?
Failure to properly verify ed25519 signatures in libp2p-core This vulnerability has been assigned a severity rating of HIGH (CVSS score: 7.5/10).
How do I check if my project is affected by CVE-2019-15545?
CVE-2019-15545 affects libp2p-core. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2019-15545 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
7.5

High exploitability or significant impact. Prioritize remediation within days.

Also Known As

GHSA-4q4x-67hx-5mpg
RUSTSEC-2019-0004

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