CVE-2019-16761: Slp validate Validation Bypass Vulnerability

CRITICAL
Advisory Identifier: GHSA-wmx6-vxcf-c3gr
Share
CVSS 5.7
CWE-20
Published
Advisory Summary

CVE-2019-16761 is a CRITICAL (CVSS 5.7) validation bypass vulnerability (CWE-20: Improper Input Validation) affecting Slp validate libraries in the npm ecosystem. The issue involves validation bypass in slp-validate. Remediation is available by upgrading affected packages to version 1.0.1.

CVE-2019-16761 at a Glance

CVE Identifier CVE-2019-16761
GHSA Identifier GHSA-wmx6-vxcf-c3gr
Severity CRITICAL
CVSS v3.1 Base Score 5.7
CWE Classification CWE-20: Improper Input Validation
Affected Product Slp validate
Package Ecosystem npm
Published Date
Last Updated

Security Impact

CVSS: 5.7

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

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

How to Fix CVE-2019-16761

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

slp-validate fixed: 1.0.1 
npm install slp-validate@1.0.1
Verify Direct and Transitive Dependencies

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

npm ls slp-validate

How to Check if You Are Affected

To determine whether your Node.js application is affected by CVE-2019-16761, inspect your project dependencies using npm:

npm ls slp-validate

Analyze the terminal output to locate any version of Slp validate in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 1.0.1), your application is affected.

Note: The npm ls slp-validate command inspects dependencies declared in your package.json and lockfile; it does not perform automated runtime dynamic scanning.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-20: Improper Input Validation, where the product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. In Slp validate, 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

Versions of `slp-validate` prior to 1.0.1 are vulnerable to a validation bypass. Bitcoin scripts may cause the validation result from `slp-validate` to differ from the specified SLP consensus. This allows an attacker to create a Bitcoin script that causes a hard-fork from the SLP consensus. ## Recommendation Upgrade to version 1.0.1 or later.

CVE-2019-16761 Affected Slp validate Versions

1 component(s)
Fixed Versions:
1.0.1
Product / Package Ecosystem Affected Versions Fixed Version
slp-validate
npm/slp-validate
npm
≥ 1.0.0
< 1.0.1
All 1 versions
1.0.0
1.0.1

References

GitHub Advisory / Wiki ADVISORY
https://github.com/simpleledger/slp-validate/security/advisories/GHSA-wmx6-vxcf-c3gr
NVD — CVE-2019-16761 NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-16761
Security Fix Commit FIX COMMIT
https://github.com/simpleledger/slp-validate/commit/50ad96c2798dad6b9f9a13333dd05232defe5730#diff-fe58606994c412ba56a65141a7aa4a62L123
GitHub Advisory / Wiki ADVISORY
https://github.com/advisories/GHSA-wmx6-vxcf-c3gr
www.npmjs.com/advisories/1422 WEB
https://www.npmjs.com/advisories/1422

Frequently Asked Questions

What is CVE-2019-16761?
CVE-2019-16761 is a security vulnerability in Slp validate involving Validation Bypass in slp-validate under CWE-20: Improper Input Validation.
Which Slp validate versions are affected?
Affected versions include releases prior to 1.0.1 across affected packages: slp-validate.
What version fixes CVE-2019-16761?
Upgrading to 1.0.1 (or the latest patched release for your respective branch) resolves the vulnerability.
Is slp-validate affected?
Yes, slp-validate is affected in releases prior to 1.0.1. Upgrade your dependency to 1.0.1 or later.
What is the CVSS score of CVE-2019-16761?
CVE-2019-16761 has a CVSS v3.1 base score of 5.7 (CRITICAL) with vector string CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:H/A:H.
What CWE is associated with CVE-2019-16761?
CVE-2019-16761 is classified under CWE-20: Improper Input Validation (The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.).
How can I check npm dependencies for CVE-2019-16761?
Run the dependency tree command: 'npm ls slp-validate'. 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-wmx6-vxcf-c3gr",
  "modified" : "2021-01-08T20:11:31Z",
  "published" : "2019-11-15T23:10:19Z",
  "aliases" : [ "CVE-2019-16761" ],
  "summary" : "Validation Bypass in slp-validate",
  "details" : "Versions of `slp-validate` prior to 1.0.1 are vulnerable to a validation bypass. Bitcoin scripts may cause the validation result from `slp-validate` to differ from the specified SLP consensus. This allows an attacker to create a Bitcoin script that causes a hard-fork from the SLP consensus.\n\n\n## Recommendation\n\nUpgrade to version 1.0.1 or later.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:H/A:H"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "npm",
      "name" : "slp-validate"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "1.0.0"
      }, {
        "fixed" : "1.0.1"
      } ]
    } ],
    "versions" : [ "1.0.0" ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/simpleledger/slp-validate/security/advisories/GHSA-wmx6-vxcf-c3gr"
  }, {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2019-16761"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/simpleledger/slp-validate/commit/50ad96c2798dad6b9f9a13333dd05232defe5730#diff-fe58606994c412ba56a65141a7aa4a62L123"
  }, {
    "type" : "ADVISORY",
    "url" : "https://github.com/advisories/GHSA-wmx6-vxcf-c3gr"
  }, {
    "type" : "WEB",
    "url" : "https://www.npmjs.com/advisories/1422"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-20" ],
    "severity" : "CRITICAL",
    "github_reviewed" : true,
    "github_reviewed_at" : "2020-06-16T20:49:38Z",
    "nvd_published_at" : null
  }
}