CVE-2019-16669: Pagekit/pagekit Pagekit User Enumeration Vulnerability

MODERATE
Advisory Identifier: GHSA-jh2j-7248-9p3c
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CVSS 5.3
CWE-203
Published
Advisory Summary

CVE-2019-16669 is a MODERATE (CVSS 5.3) pagekit user enumeration vulnerability (CWE-203: Observable Discrepancy) affecting Pagekit/pagekit libraries in the Packagist ecosystem. The issue involves pagekit user enumeration. Remediation is available in the latest vendor maintenance releases.

CVE-2019-16669 at a Glance

CVE Identifier CVE-2019-16669
GHSA Identifier GHSA-jh2j-7248-9p3c
Severity MODERATE
CVSS v3.1 Base Score 5.3
CWE Classification CWE-203: Observable Discrepancy
Affected Product Pagekit/pagekit
Package Ecosystem Packagist
Published Date
Last Updated

Security Impact

CVSS: 5.3

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:L/I:N/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 Low (C:L)
Integrity None (I:N)
Availability None (A:N)

How to Fix CVE-2019-16669

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

pagekit/pagekit fixed: Latest secure release 
Upgrade pagekit/pagekit to Latest secure release
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 pagekit/pagekit

How to Check if You Are Affected

To determine whether your application is affected by CVE-2019-16669, inspect your project dependencies for Pagekit/pagekit:

inspect dependencies for pagekit/pagekit

Analyze the terminal output to locate any version of Pagekit/pagekit in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than the patched release), 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-203: Observable Discrepancy, where the product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor. In Pagekit/pagekit, 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

The Reset Password feature in Pagekit 1.0.17 gives a different response depending on whether the e-mail address of a valid user account is entered, which might make it easier for attackers to enumerate accounts.

CVE-2019-16669 Affected Pagekit/pagekit Versions

1 component(s)
Product / Package Ecosystem Affected Versions Fixed Version
pagekit/pagekit
 Packagist
1.0.17
All 1 versions
1.0.17
None specified

References

NVD — CVE-2019-16669 NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-16669
Pagekit/pagekit Source Repository REPOSITORY
https://github.com/pagekit/pagekit/issues/935
Pagekit/pagekit Source Repository REPOSITORY
https://github.com/pagekit/pagekit

Frequently Asked Questions

What is CVE-2019-16669?
CVE-2019-16669 is a security vulnerability in Pagekit/pagekit involving Pagekit User enumeration under CWE-203: Observable Discrepancy.
Which Pagekit/pagekit versions are affected?
Affected versions include releases prior to current release patches across affected packages: pagekit/pagekit.
What version fixes CVE-2019-16669?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
Is pagekit/pagekit affected?
Yes, pagekit/pagekit is affected in releases prior to Latest secure release. Upgrade your dependency to Latest secure release or later.
What is the CVSS score of CVE-2019-16669?
CVE-2019-16669 has a CVSS v3.1 base score of 5.3 (MODERATE) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
What CWE is associated with CVE-2019-16669?
CVE-2019-16669 is classified under CWE-203: Observable Discrepancy (The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor.).
How can I check Packagist dependencies for CVE-2019-16669?
Run the dependency tree command: 'inspect dependencies for pagekit/pagekit'. 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-jh2j-7248-9p3c",
  "modified" : "2024-04-24T20:18:24Z",
  "published" : "2022-05-24T16:56:38Z",
  "aliases" : [ "CVE-2019-16669" ],
  "summary" : "Pagekit User enumeration",
  "details" : "The Reset Password feature in Pagekit 1.0.17 gives a different response depending on whether the e-mail address of a valid user account is entered, which might make it easier for attackers to enumerate accounts.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "pagekit/pagekit"
    },
    "versions" : [ "1.0.17" ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2019-16669"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/pagekit/pagekit/issues/935"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/pagekit/pagekit"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-203" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2024-04-24T20:18:24Z",
    "nvd_published_at" : "2019-09-21T19:15:00Z"
  }
}