CVE-2019-10668: Librenms/librenms Missing Authentication For Critical Function Vulnerability

MODERATE
Advisory Identifier: GHSA-277v-gwfr-hmpj
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CVSS 9.1
CWE-306
Published
Advisory Summary

CVE-2019-10668 is a MODERATE (CVSS 9.1) missing authentication for critical function vulnerability (CWE-306: Missing Authentication for Critical Function) affecting Librenms/librenms libraries in the Packagist ecosystem. The issue involves missing authentication for critical function in librenms. Remediation is available by upgrading affected packages to version 1.50.1.

CVE-2019-10668 at a Glance

CVE Identifier CVE-2019-10668
GHSA Identifier GHSA-277v-gwfr-hmpj
Severity MODERATE
CVSS v3.1 Base Score 9.1
CWE Classification CWE-306: Missing Authentication for Critical Function
Affected Product Librenms/librenms
Package Ecosystem Packagist
Published Date
Last Updated

Security Impact

CVSS: 9.1

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:N).

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 None (A:N)

How to Fix CVE-2019-10668

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

librenms/librenms fixed: 1.50.1 
Upgrade librenms/librenms to 1.50.1
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 librenms/librenms

How to Check if You Are Affected

To determine whether your application is affected by CVE-2019-10668, inspect your project dependencies for Librenms/librenms:

inspect dependencies for librenms/librenms

Analyze the terminal output to locate any version of Librenms/librenms in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 1.50.1), 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 CWE-306: Missing Authentication for Critical Function, where the product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources. In Librenms/librenms, 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

An issue was discovered in LibreNMS through 1.47. A number of scripts import the Authentication libraries, but do not enforce an actual authentication check. Several of these scripts disclose information or expose functions that are of a sensitive nature and are not expected to be publicly accessible.

CVE-2019-10668 Affected Librenms/librenms Versions

1 component(s)
Fixed Versions:
1.50.1
Product / Package Ecosystem Affected Versions Fixed Version
librenms/librenms
 Packagist
< 1.50.1
1.50.1

References

NVD — CVE-2019-10668 NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-10668
www.darkmatter.ae/xen1thlabs/librenms... WEB
https://www.darkmatter.ae/xen1thlabs/librenms-authentication-bypass-vulnerability-xl-19-016

Frequently Asked Questions

What is CVE-2019-10668?
CVE-2019-10668 is a security vulnerability in Librenms/librenms involving Missing Authentication for Critical Function in LibreNMS under CWE-306: Missing Authentication for Critical Function.
Which Librenms/librenms versions are affected?
Affected versions include releases prior to 1.50.1 across affected packages: librenms/librenms.
What version fixes CVE-2019-10668?
Upgrading to 1.50.1 (or the latest patched release for your respective branch) resolves the vulnerability.
Is librenms/librenms affected?
Yes, librenms/librenms is affected in releases prior to 1.50.1. Upgrade your dependency to 1.50.1 or later.
What is the CVSS score of CVE-2019-10668?
CVE-2019-10668 has a CVSS v3.1 base score of 9.1 (MODERATE) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.
What CWE is associated with CVE-2019-10668?
CVE-2019-10668 is classified under CWE-306: Missing Authentication for Critical Function (The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.).
How can I check Packagist dependencies for CVE-2019-10668?
Run the dependency tree command: 'inspect dependencies for librenms/librenms'. 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-277v-gwfr-hmpj",
  "modified" : "2021-05-11T15:02:40Z",
  "published" : "2019-10-11T18:43:06Z",
  "aliases" : [ "CVE-2019-10668" ],
  "summary" : "Missing Authentication for Critical Function in LibreNMS",
  "details" : "An issue was discovered in LibreNMS through 1.47. A number of scripts import the Authentication libraries, but do not enforce an actual authentication check. Several of these scripts disclose information or expose functions that are of a sensitive nature and are not expected to be publicly accessible.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "librenms/librenms"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "1.50.1"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2019-10668"
  }, {
    "type" : "WEB",
    "url" : "https://www.darkmatter.ae/xen1thlabs/librenms-authentication-bypass-vulnerability-xl-19-016"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-306" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2019-09-25T12:52:46Z",
    "nvd_published_at" : "2019-09-09T13:15:00Z"
  }
}