CVE-2024-38275: Moodle/moodle Moodle HTTP Authorization Header Is Vulnerability

MODERATE
Advisory Identifier: GHSA-p2cj-86v4-7782
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CVSS 7.5
CWE-459 CWE-226
Published
Advisory Summary

CVE-2024-38275 is a MODERATE (CVSS 7.5) moodle http authorization header is vulnerability (CWE-459: Incomplete Cleanup) affecting Moodle/moodle libraries in the Packagist ecosystem. The issue involves moodle http authorization header is preserved between "emulated redirects". Remediation is available by upgrading affected packages to version 4.4.1, 4.3.5, 4.2.8, 4.1.11.

CVE-2024-38275 at a Glance

CVE Identifier CVE-2024-38275
GHSA Identifier GHSA-p2cj-86v4-7782
Severity MODERATE
CVSS v3.1 Base Score 7.5
CWE Classification CWE-459: Incomplete Cleanup
Affected Product Moodle/moodle
Package Ecosystem Packagist
Published Date
Last Updated

Security Impact

CVSS: 7.5

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: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 High (C:H)
Integrity None (I:N)
Availability None (A:N)

How to Fix CVE-2024-38275

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

moodle/moodle fixed: 4.4.1 
Upgrade moodle/moodle to 4.4.1
moodle/moodle fixed: 4.3.5 
Upgrade moodle/moodle to 4.3.5
moodle/moodle fixed: 4.2.8 
Upgrade moodle/moodle to 4.2.8
moodle/moodle fixed: 4.1.11 
Upgrade moodle/moodle to 4.1.11
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 moodle/moodle

How to Check if You Are Affected

To determine whether your application is affected by CVE-2024-38275, inspect your project dependencies for Moodle/moodle:

inspect dependencies for moodle/moodle

Analyze the terminal output to locate any version of Moodle/moodle in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 4.4.1), 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-459: Incomplete Cleanup, where the product does not properly "clean up" and remove temporary or supporting resources after they have been used. In Moodle/moodle, 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 cURL wrapper in Moodle retained the original request headers when following redirects, so HTTP authorization header information could be unintentionally sent in requests to redirect URLs.

CVE-2024-38275 Affected Moodle/moodle Versions

4 component(s)
Fixed Versions:
4.4.14.3.54.2.84.1.11
Product / Package Ecosystem Affected Versions Fixed Version
moodle/moodle
 Packagist
≥ 4.4.0-beta
< 4.4.1
4.4.1
moodle/moodle
 Packagist
≥ 4.3.0-beta
< 4.3.5
4.3.5
moodle/moodle
 Packagist
≥ 4.2.0-beta
< 4.2.8
4.2.8
moodle/moodle
 Packagist
< 4.1.11
4.1.11

References

NVD — CVE-2024-38275 NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-38275
Security Fix Commit FIX COMMIT
https://github.com/moodle/moodle/commit/0df3c5837a592e6663c4d531ff6a1f776bc2f785
Security Fix Commit FIX COMMIT
https://github.com/moodle/moodle/commit/3e38c84315a7991ce5ef5f241f5e873b5ca24f01
Security Fix Commit FIX COMMIT
https://github.com/moodle/moodle/commit/836b2c23a210317d130017d77bb64e3b510869a9
Security Fix Commit FIX COMMIT
https://github.com/moodle/moodle/commit/f7988538b2208c55f2c40ce4f0815901dc88049b
Moodle/moodle Source Repository REPOSITORY
https://github.com/moodle/moodle
moodle.org/mod/forum/discuss.p... WEB
https://moodle.org/mod/forum/discuss.php?d=459500

Frequently Asked Questions

What is CVE-2024-38275?
CVE-2024-38275 is a security vulnerability in Moodle/moodle involving Moodle HTTP authorization header is preserved between "emulated redirects" under CWE-459: Incomplete Cleanup.
Which Moodle/moodle versions are affected?
Affected versions include releases prior to 4.4.1, 4.3.5, 4.2.8, 4.1.11 across affected packages: moodle/moodle.
What version fixes CVE-2024-38275?
Upgrading to 4.4.1, 4.3.5, 4.2.8, 4.1.11 (or the latest patched release for your respective branch) resolves the vulnerability.
Is moodle/moodle affected?
Yes, moodle/moodle is affected in releases prior to 4.4.1, 4.3.5, 4.2.8, 4.1.11. Upgrade your dependency to 4.4.1, 4.3.5, 4.2.8, 4.1.11 or later.
What is the CVSS score of CVE-2024-38275?
CVE-2024-38275 has a CVSS v3.1 base score of 7.5 (MODERATE) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
What CWE is associated with CVE-2024-38275?
CVE-2024-38275 is classified under CWE-459: Incomplete Cleanup (The product does not properly "clean up" and remove temporary or supporting resources after they have been used.).
How can I check Packagist dependencies for CVE-2024-38275?
Run the dependency tree command: 'inspect dependencies for moodle/moodle'. 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-p2cj-86v4-7782",
  "modified" : "2025-05-01T13:31:07Z",
  "published" : "2024-06-18T21:30:36Z",
  "aliases" : [ "CVE-2024-38275" ],
  "summary" : "Moodle HTTP authorization header is preserved between \"emulated redirects\"",
  "details" : "The cURL wrapper in Moodle retained the original request headers when following redirects, so HTTP authorization header information could be unintentionally sent in requests to redirect URLs.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
  }, {
    "type" : "CVSS_V4",
    "score" : "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "moodle/moodle"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "4.4.0-beta"
      }, {
        "fixed" : "4.4.1"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "moodle/moodle"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "4.3.0-beta"
      }, {
        "fixed" : "4.3.5"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "moodle/moodle"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "4.2.0-beta"
      }, {
        "fixed" : "4.2.8"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "moodle/moodle"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "4.1.11"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2024-38275"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/moodle/moodle/commit/0df3c5837a592e6663c4d531ff6a1f776bc2f785"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/moodle/moodle/commit/3e38c84315a7991ce5ef5f241f5e873b5ca24f01"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/moodle/moodle/commit/836b2c23a210317d130017d77bb64e3b510869a9"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/moodle/moodle/commit/f7988538b2208c55f2c40ce4f0815901dc88049b"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/moodle/moodle"
  }, {
    "type" : "WEB",
    "url" : "https://moodle.org/mod/forum/discuss.php?d=459500"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-226", "CWE-459" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2024-06-18T22:45:35Z",
    "nvd_published_at" : "2024-06-18T20:15:13Z"
  }
}