CVE-2015-5264: Moodle/moodle Moodle Allows Attackers To Enter Vulnerability

MODERATE
Advisory Identifier: GHSA-mm9q-3847-m48x
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CVSS 5.4
Published
Advisory Summary

CVE-2015-5264 is a MODERATE (CVSS 5.4) moodle allows attackers to enter vulnerability (General Security Weakness) affecting Moodle/moodle libraries in the Packagist ecosystem. The issue involves moodle allows attackers to enter additional answer attempts. Remediation is available by upgrading affected packages to version 2.7.10, 2.8.8, 2.9.2.

CVE-2015-5264 at a Glance

CVE Identifier CVE-2015-5264
GHSA Identifier GHSA-mm9q-3847-m48x
Severity MODERATE
CVSS v3.1 Base Score 5.4
CWE Classification General Security Weakness
Affected Product Moodle/moodle
Package Ecosystem Packagist
Published Date
Last Updated

Security Impact

CVSS: 5.4

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N).

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required Low (PR:L)
User Interaction None (UI:N)
Scope Unchanged (S:U)
Confidentiality Low (C:L)
Integrity Low (I:L)
Availability None (A:N)

How to Fix CVE-2015-5264

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: 2.7.10 
Upgrade moodle/moodle to 2.7.10
moodle/moodle fixed: 2.8.8 
Upgrade moodle/moodle to 2.8.8
moodle/moodle fixed: 2.9.2 
Upgrade moodle/moodle to 2.9.2
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-2015-5264, 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 2.7.10), 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 General Security Weakness. 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 lesson module in Moodle through 2.6.11, 2.7.x before 2.7.10, 2.8.x before 2.8.8, and 2.9.x before 2.9.2 allows remote authenticated users to bypass intended access restrictions and enter additional answer attempts by leveraging the student role.

CVE-2015-5264 Affected Moodle/moodle Versions

3 component(s)
Fixed Versions:
2.7.102.8.82.9.2
Product / Package Ecosystem Affected Versions Fixed Version
moodle/moodle
 Packagist
≥ 2.7.0
< 2.7.10
2.7.10
moodle/moodle
 Packagist
≥ 2.8.0
< 2.8.8
2.8.8
moodle/moodle
 Packagist
≥ 2.9.0
< 2.9.2
2.9.2

References

NVD — CVE-2015-5264 NVD
https://nvd.nist.gov/vuln/detail/CVE-2015-5264
Security Fix Commit FIX COMMIT
https://github.com/moodle/moodle/commit/3071f085918dfeabb154596362dab2648ec6ad84
Security Fix Commit FIX COMMIT
https://github.com/moodle/moodle/commit/343ed5b929ff8a68efe076505cd3e52d951f7869
Security Fix Commit FIX COMMIT
https://github.com/moodle/moodle/commit/39b50f7d3eea43266a3d0c09590e48624e69a091
Security Fix Commit FIX COMMIT
https://github.com/moodle/moodle/commit/67e3f70bb11382fc0f1eaf1a160c349269e370cc
Security Fix Commit FIX COMMIT
https://github.com/moodle/moodle/commit/9d5b339126586eddeced463c81295146e231a3c4
Security Fix Commit FIX COMMIT
https://github.com/moodle/moodle/commit/9fd13426926fd882d3f024cb7171802ef2b3814d
Security Fix Commit FIX COMMIT
https://github.com/moodle/moodle/commit/ca74203efd51be6467091d9af762a31a7cad5840
Security Fix Commit FIX COMMIT
https://github.com/moodle/moodle/commit/cd3a6a78b67abf5c9eb355ddc7899b1b2a9b20ac
Security Fix Commit FIX COMMIT
https://github.com/moodle/moodle/commit/e7288eaabe77e04157f702b20fd0a7e9ce7067ca
Security Fix Commit FIX COMMIT
https://github.com/moodle/moodle/commit/f9cc721dfd761ee34209cf58838079b9b550b356
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=320287
Moodle/moodle Security Information SECURITY
https://web.archive.org/web/20160323063809/http://www.securitytracker.com/id/1033619
git.moodle.org/gw WEB
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-50516
Moodle/moodle Security Information SECURITY
http://www.openwall.com/lists/oss-security/2015/09/21/1

Frequently Asked Questions

What is CVE-2015-5264?
CVE-2015-5264 is a security vulnerability in Moodle/moodle involving Moodle allows attackers to enter additional answer attempts under General Security Weakness.
Which Moodle/moodle versions are affected?
Affected versions include releases prior to 2.7.10, 2.8.8, 2.9.2 across affected packages: moodle/moodle.
What version fixes CVE-2015-5264?
Upgrading to 2.7.10, 2.8.8, 2.9.2 (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 2.7.10, 2.8.8, 2.9.2. Upgrade your dependency to 2.7.10, 2.8.8, 2.9.2 or later.
What is the CVSS score of CVE-2015-5264?
CVE-2015-5264 has a CVSS v3.1 base score of 5.4 (MODERATE) with vector string CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.
What CWE is associated with CVE-2015-5264?
CVE-2015-5264 is classified under General Security Weakness.
How can I check Packagist dependencies for CVE-2015-5264?
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-mm9q-3847-m48x",
  "modified" : "2024-01-26T01:54:17Z",
  "published" : "2022-05-13T01:12:47Z",
  "aliases" : [ "CVE-2015-5264" ],
  "summary" : "Moodle allows attackers to enter additional answer attempts",
  "details" : "The lesson module in Moodle through 2.6.11, 2.7.x before 2.7.10, 2.8.x before 2.8.8, and 2.9.x before 2.9.2 allows remote authenticated users to bypass intended access restrictions and enter additional answer attempts by leveraging the student role.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "moodle/moodle"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "2.7.0"
      }, {
        "fixed" : "2.7.10"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "moodle/moodle"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "2.8.0"
      }, {
        "fixed" : "2.8.8"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "moodle/moodle"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "2.9.0"
      }, {
        "fixed" : "2.9.2"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2015-5264"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/moodle/moodle/commit/3071f085918dfeabb154596362dab2648ec6ad84"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/moodle/moodle/commit/343ed5b929ff8a68efe076505cd3e52d951f7869"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/moodle/moodle/commit/39b50f7d3eea43266a3d0c09590e48624e69a091"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/moodle/moodle/commit/67e3f70bb11382fc0f1eaf1a160c349269e370cc"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/moodle/moodle/commit/9d5b339126586eddeced463c81295146e231a3c4"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/moodle/moodle/commit/9fd13426926fd882d3f024cb7171802ef2b3814d"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/moodle/moodle/commit/ca74203efd51be6467091d9af762a31a7cad5840"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/moodle/moodle/commit/cd3a6a78b67abf5c9eb355ddc7899b1b2a9b20ac"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/moodle/moodle/commit/e7288eaabe77e04157f702b20fd0a7e9ce7067ca"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/moodle/moodle/commit/f9cc721dfd761ee34209cf58838079b9b550b356"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/moodle/moodle"
  }, {
    "type" : "WEB",
    "url" : "https://moodle.org/mod/forum/discuss.php?d=320287"
  }, {
    "type" : "WEB",
    "url" : "https://web.archive.org/web/20160323063809/http://www.securitytracker.com/id/1033619"
  }, {
    "type" : "WEB",
    "url" : "http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-50516"
  }, {
    "type" : "WEB",
    "url" : "http://www.openwall.com/lists/oss-security/2015/09/21/1"
  } ],
  "database_specific" : {
    "cwe_ids" : [ ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2024-01-26T01:54:17Z",
    "nvd_published_at" : "2016-02-22T05:59:00Z"
  }
}