CVE-2011-4582: Moodle/moodle Moodle Open Redirect Vulnerability

MODERATE
Advisory Identifier: GHSA-jcrj-x36p-h9f6
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CWE-601
Published
Advisory Summary

CVE-2011-4582 is a MODERATE moodle open redirect vulnerability (CWE-601: URL Redirection to Untrusted Site ('Open Redirect')) affecting Moodle/moodle libraries in the Packagist ecosystem. The issue involves moodle open redirect in calendar set page. Remediation is available by upgrading affected packages to version 2.1.3.

CVE-2011-4582 at a Glance

CVE Identifier CVE-2011-4582
GHSA Identifier GHSA-jcrj-x36p-h9f6
Severity MODERATE
CVSS v3.1 Base Score N/A
CWE Classification CWE-601: URL Redirection to Untrusted Site ('Open Redirect')
Affected Product Moodle/moodle
Package Ecosystem Packagist
Published Date
Last Updated

How to Fix CVE-2011-4582

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: 2.1.3 
Upgrade moodle/moodle to 2.1.3
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-2011-4582, 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 2.1.3), 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-601: URL Redirection to Untrusted Site ('Open Redirect'), where the web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a redirect. 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

Open redirect vulnerability in the Calendar set page in Moodle 2.1.x before 2.1.3 allows remote authenticated users to redirect users to arbitrary web sites and conduct phishing attacks via a redirection URL.

CVE-2011-4582 Affected Moodle/moodle Versions

1 component(s)
Fixed Versions:
2.1.3
Product / Package Ecosystem Affected Versions Fixed Version
moodle/moodle
 Packagist
≥ 2.1
< 2.1.3
2.1.3

References

NVD — CVE-2011-4582 NVD
https://nvd.nist.gov/vuln/detail/CVE-2011-4582
Security Fix Commit FIX COMMIT
https://github.com/moodle/moodle/commit/0d2672748c00181d9cdae2aabbab916cbd64c47d
Security Fix Commit FIX COMMIT
https://github.com/moodle/moodle/commit/21e7d4c5fc9cc5df54c9c7d82190f1339d163a9e
Security Fix Commit FIX COMMIT
https://github.com/moodle/moodle/commit/7f422374c101dcb0affdd5127b855671af4f3748
Security Fix Commit FIX COMMIT
https://github.com/moodle/moodle/commit/eb59a448f7879d69b21fcde7f1fcddd69655e045
bugzilla.redhat.com/show_bug.cgi WEB
https://bugzilla.redhat.com/show_bug.cgi?id=761248
Moodle/moodle Source Repository REPOSITORY
https://github.com/moodle/moodle
git.moodle.org/gw WEB
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-28720&sr=1
moodle.org/mod/forum/discuss.p... WEB
http://moodle.org/mod/forum/discuss.php?d=191748

Frequently Asked Questions

What is CVE-2011-4582?
CVE-2011-4582 is a security vulnerability in Moodle/moodle involving Moodle Open Redirect in Calendar Set Page under CWE-601: URL Redirection to Untrusted Site ('Open Redirect').
Which Moodle/moodle versions are affected?
Affected versions include releases prior to 2.1.3 across affected packages: moodle/moodle.
What version fixes CVE-2011-4582?
Upgrading to 2.1.3 (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 2.1.3. Upgrade your dependency to 2.1.3 or later.
What CWE is associated with CVE-2011-4582?
CVE-2011-4582 is classified under CWE-601: URL Redirection to Untrusted Site ('Open Redirect') (The web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a redirect.).
How can I check Packagist dependencies for CVE-2011-4582?
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-jcrj-x36p-h9f6",
  "modified" : "2024-01-17T18:26:35Z",
  "published" : "2022-05-13T01:13:15Z",
  "aliases" : [ "CVE-2011-4582" ],
  "summary" : "Moodle Open Redirect in Calendar Set Page",
  "details" : "Open redirect vulnerability in the Calendar set page in Moodle 2.1.x before 2.1.3 allows remote authenticated users to redirect users to arbitrary web sites and conduct phishing attacks via a redirection URL.",
  "severity" : [ ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "moodle/moodle"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "2.1"
      }, {
        "fixed" : "2.1.3"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2011-4582"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/moodle/moodle/commit/0d2672748c00181d9cdae2aabbab916cbd64c47d"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/moodle/moodle/commit/21e7d4c5fc9cc5df54c9c7d82190f1339d163a9e"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/moodle/moodle/commit/7f422374c101dcb0affdd5127b855671af4f3748"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/moodle/moodle/commit/eb59a448f7879d69b21fcde7f1fcddd69655e045"
  }, {
    "type" : "WEB",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=761248"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/moodle/moodle"
  }, {
    "type" : "WEB",
    "url" : "http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-28720&sr=1"
  }, {
    "type" : "WEB",
    "url" : "http://moodle.org/mod/forum/discuss.php?d=191748"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-601" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2024-01-17T18:26:35Z",
    "nvd_published_at" : "2012-07-20T10:40:00Z"
  }
}