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CVE-2022-44797 — Vulnerability in github.com/btcsuite/btcd — CVE...

CRITICAL

btcd mishandles witness size checking

Published November 7, 2022Updated May 20, 2024Source: osv

Summary

btcd before 0.23.2, as used in Lightning Labs lnd before 0.15.2-beta and other Bitcoin-related products, mishandles witness size checking. ### Specific Go Packages Affected github.com/btcsuite/btcd/wire

Advisory Timeline

  • First published November 7, 2022 (1435 days ago).
  • Last revised May 20, 2024 — 560 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

Go
Update github.com/btcsuite/btcd to 0.23.2 or later
go get github.com/btcsuite/btcd@v0.23.2
Go
Update github.com/lightningnetwork/lnd to 0.15.2-beta or later
go get github.com/lightningnetwork/lnd@v0.15.2-beta

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

Affected Packages (2)

Affects 1 ecosystem: go (2).

PackageEcosystemAffectedFixed In
github.com/btcsuite/btcd
go
All versions0.23.2
github.com/lightningnetwork/lnd
go
All versions0.15.2-beta

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 9.8 score means for each attack dimension.

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

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Frequently Asked Questions

What is CVE-2022-44797?
btcd mishandles witness size checking This vulnerability has been assigned a severity rating of CRITICAL (CVSS score: 9.8/10).
How do I check if my project is affected by CVE-2022-44797?
CVE-2022-44797 affects github.com/btcsuite/btcd and github.com/lightningnetwork/lnd. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2022-44797 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
9.8

Exploitation is straightforward and causes maximum impact. Patch immediately.

Also Known As

GHSA-2chg-86hq-7w38
GO-2022-1098

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