CVE-2023-1886: Thorsten/phpmyfaq Authentication Bypass Vulnerability

HIGH
Advisory Identifier: GHSA-4cr4-x82x-hwm9
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CVSS 7.3
CWE-294
Published
Advisory Summary

CVE-2023-1886 is a HIGH (CVSS 7.3) authentication bypass vulnerability (CWE-294: Authentication Bypass by Capture-replay) affecting Thorsten/phpmyfaq libraries in the Packagist ecosystem. The issue involves thorsten/phpmyfaq vulnerable to authentication bypass. Remediation is available by upgrading affected packages to version 3.1.12.

CVE-2023-1886 at a Glance

CVE Identifier CVE-2023-1886
GHSA Identifier GHSA-4cr4-x82x-hwm9
Severity HIGH
CVSS v3.1 Base Score 7.3
CWE Classification CWE-294: Authentication Bypass by Capture-replay
Affected Product Thorsten/phpmyfaq
Package Ecosystem Packagist
Published Date
Last Updated

Security Impact

CVSS: 7.3

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:L/A:L).

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 Low (I:L)
Availability Low (A:L)

How to Fix CVE-2023-1886

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

thorsten/phpmyfaq fixed: 3.1.12 
Upgrade thorsten/phpmyfaq to 3.1.12
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 thorsten/phpmyfaq

How to Check if You Are Affected

To determine whether your application is affected by CVE-2023-1886, inspect your project dependencies for Thorsten/phpmyfaq:

inspect dependencies for thorsten/phpmyfaq

Analyze the terminal output to locate any version of Thorsten/phpmyfaq in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 3.1.12), 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-294: Authentication Bypass by Capture-replay, where a capture-replay flaw exists when the design of the product makes it possible for a malicious user to sniff network traffic and bypass authentication by replaying it to the server in question to the same effect as the original message (or with minor changes). In Thorsten/phpmyfaq, 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

thorsten/phpmyfaq prior to 3.1.12 is vulnerable to authentication bypass by capture-relay that allows unlimited comments to be sent. This has been fixed in 3.1.12.

CVE-2023-1886 Affected Thorsten/phpmyfaq Versions

1 component(s)
Fixed Versions:
3.1.12
Product / Package Ecosystem Affected Versions Fixed Version
thorsten/phpmyfaq
 Packagist
< 3.1.12
3.1.12

References

NVD — CVE-2023-1886 NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-1886
Security Fix Commit FIX COMMIT
https://github.com/thorsten/phpmyfaq/commit/27eaaae16850694634ac52416a0bd38b35d7330a
Thorsten/phpmyfaq Source Repository REPOSITORY
https://github.com/thorsten/phpMyFAQ
huntr.dev/bounties/b7d244b7-5... WEB
https://huntr.dev/bounties/b7d244b7-5ac3-4964-81ee-8dbb5bb5e33a

Frequently Asked Questions

What is CVE-2023-1886?
CVE-2023-1886 is a security vulnerability in Thorsten/phpmyfaq involving thorsten/phpmyfaq vulnerable to authentication bypass under CWE-294: Authentication Bypass by Capture-replay.
Which Thorsten/phpmyfaq versions are affected?
Affected versions include releases prior to 3.1.12 across affected packages: thorsten/phpmyfaq.
What version fixes CVE-2023-1886?
Upgrading to 3.1.12 (or the latest patched release for your respective branch) resolves the vulnerability.
Is thorsten/phpmyfaq affected?
Yes, thorsten/phpmyfaq is affected in releases prior to 3.1.12. Upgrade your dependency to 3.1.12 or later.
What is the CVSS score of CVE-2023-1886?
CVE-2023-1886 has a CVSS v3.1 base score of 7.3 (HIGH) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
What CWE is associated with CVE-2023-1886?
CVE-2023-1886 is classified under CWE-294: Authentication Bypass by Capture-replay (A capture-replay flaw exists when the design of the product makes it possible for a malicious user to sniff network traffic and bypass authentication by replaying it to the server in question to the same effect as the original message (or with minor changes).).
How can I check Packagist dependencies for CVE-2023-1886?
Run the dependency tree command: 'inspect dependencies for thorsten/phpmyfaq'. 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-4cr4-x82x-hwm9",
  "modified" : "2023-04-06T16:55:11Z",
  "published" : "2023-04-05T18:30:18Z",
  "aliases" : [ "CVE-2023-1886" ],
  "summary" : "thorsten/phpmyfaq vulnerable to authentication bypass ",
  "details" : "thorsten/phpmyfaq prior to 3.1.12 is vulnerable to authentication bypass by capture-relay that allows unlimited comments to be sent. This has been fixed in 3.1.12.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "thorsten/phpmyfaq"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "3.1.12"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2023-1886"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/thorsten/phpmyfaq/commit/27eaaae16850694634ac52416a0bd38b35d7330a"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/thorsten/phpMyFAQ"
  }, {
    "type" : "WEB",
    "url" : "https://huntr.dev/bounties/b7d244b7-5ac3-4964-81ee-8dbb5bb5e33a"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-294" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2023-04-06T16:55:11Z",
    "nvd_published_at" : "2023-04-05T17:15:00Z"
  }
}