CVE-2015-5342: Moodle/moodle Moodle Allows Attackers To Bypass Vulnerability

MODERATE
Advisory Identifier: GHSA-6xpm-q8x9-j3rw
Share
CVSS 4.3
Published
Advisory Summary

CVE-2015-5342 is a MODERATE (CVSS 4.3) moodle allows attackers to bypass vulnerability (General Security Weakness) affecting Moodle/moodle libraries in the Packagist ecosystem. The issue involves moodle allows attackers to bypass intended access restrictions. Remediation is available by upgrading affected packages to version 2.7.11, 2.8.9, 2.9.3.

CVE-2015-5342 at a Glance

CVE Identifier CVE-2015-5342
GHSA Identifier GHSA-6xpm-q8x9-j3rw
Severity MODERATE
CVSS v3.1 Base Score 4.3
CWE Classification General Security Weakness
Affected Product Moodle/moodle
Package Ecosystem Packagist
Published Date
Last Updated

Security Impact

CVSS: 4.3

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

How to Fix CVE-2015-5342

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: 2.7.11 
Upgrade moodle/moodle to 2.7.11
moodle/moodle fixed: 2.8.9 
Upgrade moodle/moodle to 2.8.9
moodle/moodle fixed: 2.9.3 
Upgrade moodle/moodle to 2.9.3
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-2015-5342, 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 2.7.11), 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 choice module in Moodle through 2.6.11, 2.7.x before 2.7.11, 2.8.x before 2.8.9, and 2.9.x before 2.9.3 allows remote authenticated users to bypass intended access restrictions by visiting a URL to add or delete responses in the closed state.

CVE-2015-5342 Affected Moodle/moodle Versions

3 component(s)
Fixed Versions:
2.7.112.8.92.9.3
Product / Package Ecosystem Affected Versions Fixed Version
moodle/moodle
 Packagist
< 2.7.11
2.7.11
moodle/moodle
 Packagist
≥ 2.8.0
< 2.8.9
2.8.9
moodle/moodle
 Packagist
≥ 2.9.0
< 2.9.3
2.9.3

References

NVD — CVE-2015-5342 NVD
https://nvd.nist.gov/vuln/detail/CVE-2015-5342
Security Fix Commit FIX COMMIT
https://github.com/moodle/moodle/commit/02d8c8ca394ba053905f9b87c155042aabf0ce1b
Security Fix Commit FIX COMMIT
https://github.com/moodle/moodle/commit/09bb6f19e5814deb25ae6ceb8270063430b8941f
Security Fix Commit FIX COMMIT
https://github.com/moodle/moodle/commit/5c16db4fc561c97b6a907398ea081cdaf6590214
Security Fix Commit FIX COMMIT
https://github.com/moodle/moodle/commit/6283c33979001b035f9fc565b869296f66a61c4e
Security Fix Commit FIX COMMIT
https://github.com/moodle/moodle/commit/7ca8c34045eb0d2031652b452492fe4abb2c7c8a
Security Fix Commit FIX COMMIT
https://github.com/moodle/moodle/commit/97394274ee29f0a6eecab330b5bbb8ee335e7ece
Security Fix Commit FIX COMMIT
https://github.com/moodle/moodle/commit/bdaa571437c6357f322871b068f02a4520b7a23d
Security Fix Commit FIX COMMIT
https://github.com/moodle/moodle/commit/fb2491effb1a7d5d7abb0efba5b3929342990514
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=323237
git.moodle.org/gw WEB
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-51569

Frequently Asked Questions

What is CVE-2015-5342?
CVE-2015-5342 is a security vulnerability in Moodle/moodle involving Moodle allows attackers to bypass intended access restrictions under General Security Weakness.
Which Moodle/moodle versions are affected?
Affected versions include releases prior to 2.7.11, 2.8.9, 2.9.3 across affected packages: moodle/moodle.
What version fixes CVE-2015-5342?
Upgrading to 2.7.11, 2.8.9, 2.9.3 (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 2.7.11, 2.8.9, 2.9.3. Upgrade your dependency to 2.7.11, 2.8.9, 2.9.3 or later.
What is the CVSS score of CVE-2015-5342?
CVE-2015-5342 has a CVSS v3.1 base score of 4.3 (MODERATE) with vector string CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.
What CWE is associated with CVE-2015-5342?
CVE-2015-5342 is classified under General Security Weakness.
How can I check Packagist dependencies for CVE-2015-5342?
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-6xpm-q8x9-j3rw",
  "modified" : "2024-01-26T20:12:44Z",
  "published" : "2022-05-13T01:12:50Z",
  "aliases" : [ "CVE-2015-5342" ],
  "summary" : "Moodle allows attackers to bypass intended access restrictions",
  "details" : "The choice module in Moodle through 2.6.11, 2.7.x before 2.7.11, 2.8.x before 2.8.9, and 2.9.x before 2.9.3 allows remote authenticated users to bypass intended access restrictions by visiting a URL to add or delete responses in the closed state.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "moodle/moodle"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "2.7.11"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "moodle/moodle"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "2.8.0"
      }, {
        "fixed" : "2.8.9"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "moodle/moodle"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "2.9.0"
      }, {
        "fixed" : "2.9.3"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2015-5342"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/moodle/moodle/commit/02d8c8ca394ba053905f9b87c155042aabf0ce1b"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/moodle/moodle/commit/09bb6f19e5814deb25ae6ceb8270063430b8941f"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/moodle/moodle/commit/5c16db4fc561c97b6a907398ea081cdaf6590214"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/moodle/moodle/commit/6283c33979001b035f9fc565b869296f66a61c4e"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/moodle/moodle/commit/7ca8c34045eb0d2031652b452492fe4abb2c7c8a"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/moodle/moodle/commit/97394274ee29f0a6eecab330b5bbb8ee335e7ece"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/moodle/moodle/commit/bdaa571437c6357f322871b068f02a4520b7a23d"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/moodle/moodle/commit/fb2491effb1a7d5d7abb0efba5b3929342990514"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/moodle/moodle"
  }, {
    "type" : "WEB",
    "url" : "https://moodle.org/mod/forum/discuss.php?d=323237"
  }, {
    "type" : "WEB",
    "url" : "http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-51569"
  } ],
  "database_specific" : {
    "cwe_ids" : [ ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2024-01-26T20:12:44Z",
    "nvd_published_at" : "2016-02-22T05:59:00Z"
  }
}