CVE-2022-44797: Github.com/btcsuite/btcd Btcd Mishandles Witness Size Checking Vulnerability

CRITICAL
Advisory Identifier: GHSA-2chg-86hq-7w38
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CVSS 9.8
Published
Advisory Summary

CVE-2022-44797 is a CRITICAL (CVSS 9.8) btcd mishandles witness size checking vulnerability (General Security Weakness) affecting Github.com/btcsuite/btcd libraries in the Go ecosystem. The issue involves btcd mishandles witness size checking. Remediation is available by upgrading affected packages to version 0.23.2, 0.15.2-beta.

CVE-2022-44797 at a Glance

CVE Identifier CVE-2022-44797
GHSA Identifier GHSA-2chg-86hq-7w38
Severity CRITICAL
CVSS v3.1 Base Score 9.8
CWE Classification General Security Weakness
Affected Product Github.com/btcsuite/btcd
Package Ecosystem Go
Published Date
Last Updated

Security Impact

CVSS: 9.8

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required None (PR:N)
User Interaction None (UI:N)
Scope Unchanged (S:U)
Confidentiality High (C:H)
Integrity High (I:H)
Availability High (A:H)

How to Fix CVE-2022-44797

To remediate this vulnerability, upgrade all affected Github.com/btcsuite/btcd dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

github.com/btcsuite/btcd fixed: 0.23.2 
Upgrade github.com/btcsuite/btcd to 0.23.2
github.com/lightningnetwork/lnd fixed: 0.15.2-beta 
Upgrade github.com/lightningnetwork/lnd to 0.15.2-beta
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

inspect dependencies for github.com/btcsuite/btcd

How to Check if You Are Affected

To determine whether your application is affected by CVE-2022-44797, inspect your project dependencies for Github.com/btcsuite/btcd:

inspect dependencies for github.com/btcsuite/btcd

Analyze the terminal output to locate any version of Github.com/btcsuite/btcd in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 0.23.2), your application is affected.

Note: Verify declared build manifests and deployed runtime container environments.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under General Security Weakness. In Github.com/btcsuite/btcd, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

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

CVE-2022-44797 Affected Github.com/btcsuite/btcd Versions

2 component(s)
Fixed Versions:
0.23.20.15.2-beta
Product / Package Ecosystem Affected Versions Fixed Version
github.com/btcsuite/btcd
golang/github.com/btcsuite/btcd
Go
< 0.23.2
0.23.2
github.com/lightningnetwork/lnd
golang/github.com/lightningnetwork/lnd
Go
< 0.15.2-beta
0.15.2-beta

References

NVD — CVE-2022-44797 NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-44797
Github.com/btcsuite/btcd Source Repository REPOSITORY
https://github.com/lightningnetwork/lnd/issues/7002
Github.com/btcsuite/btcd Source Repository REPOSITORY
https://github.com/btcsuite/btcd/pull/1896
Security Fix Commit FIX COMMIT
https://github.com/btcsuite/btcd/commit/7fdaf6958781df46fffee4bc8bee38801c066da8
Github.com/btcsuite/btcd Source Repository REPOSITORY
https://github.com/btcsuite/btcd
Github.com/btcsuite/btcd Release RELEASE
https://github.com/btcsuite/btcd/releases/tag/v0.23.2
Github.com/btcsuite/btcd Release RELEASE
https://github.com/lightningnetwork/lnd/releases/tag/v0.15.2-beta
pkg.go.dev/vuln/go-2022-1098 WEB
https://pkg.go.dev/vuln/GO-2022-1098

Frequently Asked Questions

What is CVE-2022-44797?
CVE-2022-44797 is a security vulnerability in Github.com/btcsuite/btcd involving btcd mishandles witness size checking under General Security Weakness.
Which Github.com/btcsuite/btcd versions are affected?
Affected versions include releases prior to 0.23.2, 0.15.2-beta across affected packages: github.com/btcsuite/btcd, github.com/lightningnetwork/lnd.
What version fixes CVE-2022-44797?
Upgrading to 0.23.2, 0.15.2-beta (or the latest patched release for your respective branch) resolves the vulnerability.
Is github.com/btcsuite/btcd affected?
Yes, github.com/btcsuite/btcd is affected in releases prior to 0.23.2. Upgrade your dependency to 0.23.2 or later.
Is github.com/lightningnetwork/lnd affected?
Yes, github.com/lightningnetwork/lnd is affected in releases prior to 0.15.2-beta. Upgrade your dependency to 0.15.2-beta or later.
What is the CVSS score of CVE-2022-44797?
CVE-2022-44797 has a CVSS v3.1 base score of 9.8 (CRITICAL) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
What CWE is associated with CVE-2022-44797?
CVE-2022-44797 is classified under General Security Weakness.
How can I check Go dependencies for CVE-2022-44797?
Run the dependency tree command: 'inspect dependencies for github.com/btcsuite/btcd'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-2chg-86hq-7w38",
  "modified" : "2024-05-20T21:36:55Z",
  "published" : "2022-11-07T12:00:34Z",
  "aliases" : [ "CVE-2022-44797" ],
  "summary" : "btcd mishandles witness size checking",
  "details" : "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.\n\n### Specific Go Packages Affected\ngithub.com/btcsuite/btcd/wire",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Go",
      "name" : "github.com/btcsuite/btcd"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "0.23.2"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "Go",
      "name" : "github.com/lightningnetwork/lnd"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "0.15.2-beta"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2022-44797"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/lightningnetwork/lnd/issues/7002"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/btcsuite/btcd/pull/1896"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/btcsuite/btcd/commit/7fdaf6958781df46fffee4bc8bee38801c066da8"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/btcsuite/btcd"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/btcsuite/btcd/releases/tag/v0.23.2"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/lightningnetwork/lnd/releases/tag/v0.15.2-beta"
  }, {
    "type" : "WEB",
    "url" : "https://pkg.go.dev/vuln/GO-2022-1098"
  } ],
  "database_specific" : {
    "cwe_ids" : [ ],
    "severity" : "CRITICAL",
    "github_reviewed" : true,
    "github_reviewed_at" : "2022-11-07T16:15:55Z",
    "nvd_published_at" : "2022-11-07T04:15:00Z"
  }
}