CVE-2015-3181: Moodle/moodle Moodle Allows Attackers To Bypass Vulnerability

MODERATE
Advisory Identifier: GHSA-622h-cjgg-5mx6
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Advisory Summary

CVE-2015-3181 is a MODERATE 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 file-management restrictions. Remediation is available by upgrading affected packages to version 2.6.11, 2.7.8, 2.8.6.

CVE-2015-3181 at a Glance

CVE Identifier CVE-2015-3181
GHSA Identifier GHSA-622h-cjgg-5mx6
Severity MODERATE
CVSS v3.1 Base Score N/A
CWE Classification General Security Weakness
Affected Product Moodle/moodle
Package Ecosystem Packagist
Published Date
Last Updated

How to Fix CVE-2015-3181

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: 2.6.11 
Upgrade moodle/moodle to 2.6.11
moodle/moodle fixed: 2.7.8 
Upgrade moodle/moodle to 2.7.8
moodle/moodle fixed: 2.8.6 
Upgrade moodle/moodle to 2.8.6
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-2015-3181, 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 2.6.11), 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

files/externallib.php in Moodle through 2.5.9, 2.6.x before 2.6.11, 2.7.x before 2.7.8, and 2.8.x before 2.8.6 does not consider the moodle/user:manageownfiles capability before approving a private-file upload, which allows remote authenticated users to bypass intended file-management restrictions by using web services to perform uploads after this capability has been revoked.

CVE-2015-3181 Affected Moodle/moodle Versions

3 component(s)
Fixed Versions:
2.6.112.7.82.8.6
Product / Package Ecosystem Affected Versions Fixed Version
moodle/moodle
 Packagist
< 2.6.11
2.6.11
moodle/moodle
 Packagist
≥ 2.7.0
< 2.7.8
2.7.8
moodle/moodle
 Packagist
≥ 2.8.0
< 2.8.6
2.8.6

References

NVD — CVE-2015-3181 NVD
https://nvd.nist.gov/vuln/detail/CVE-2015-3181
Security Fix Commit FIX COMMIT
https://github.com/moodle/moodle/commit/350397da93c557f577e7d62e7fc3e233792ad171
Security Fix Commit FIX COMMIT
https://github.com/moodle/moodle/commit/4b6b64685affa66784fd238c1bbc1eb0651492a0
Security Fix Commit FIX COMMIT
https://github.com/moodle/moodle/commit/57d9a750e3da6708dba13513e9b05e84a895ad9f
Security Fix Commit FIX COMMIT
https://github.com/moodle/moodle/commit/8e8ee7530427a10e409386657484e9fd5effc438
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=313688
Moodle/moodle Security Information SECURITY
https://web.archive.org/web/20200228054133/http://www.securityfocus.com/bid/74728
Moodle/moodle Security Information SECURITY
https://web.archive.org/web/20201030042703/http://www.securitytracker.com/id/1032358
git.moodle.org/gw WEB
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-49994
Moodle/moodle Security Information SECURITY
http://openwall.com/lists/oss-security/2015/05/18/1

Frequently Asked Questions

What is CVE-2015-3181?
CVE-2015-3181 is a security vulnerability in Moodle/moodle involving Moodle allows attackers to bypass file-management restrictions under General Security Weakness.
Which Moodle/moodle versions are affected?
Affected versions include releases prior to 2.6.11, 2.7.8, 2.8.6 across affected packages: moodle/moodle.
What version fixes CVE-2015-3181?
Upgrading to 2.6.11, 2.7.8, 2.8.6 (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 2.6.11, 2.7.8, 2.8.6. Upgrade your dependency to 2.6.11, 2.7.8, 2.8.6 or later.
What CWE is associated with CVE-2015-3181?
CVE-2015-3181 is classified under General Security Weakness.
How can I check Packagist dependencies for CVE-2015-3181?
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-622h-cjgg-5mx6",
  "modified" : "2024-01-26T01:13:10Z",
  "published" : "2022-05-13T01:12:46Z",
  "aliases" : [ "CVE-2015-3181" ],
  "summary" : "Moodle allows attackers to bypass file-management restrictions",
  "details" : "files/externallib.php in Moodle through 2.5.9, 2.6.x before 2.6.11, 2.7.x before 2.7.8, and 2.8.x before 2.8.6 does not consider the moodle/user:manageownfiles capability before approving a private-file upload, which allows remote authenticated users to bypass intended file-management restrictions by using web services to perform uploads after this capability has been revoked.",
  "severity" : [ ],
  "affected" : [ {
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      "ecosystem" : "Packagist",
      "name" : "moodle/moodle"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "2.6.11"
      } ]
    } ]
  }, {
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    },
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      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2015-3181"
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    "url" : "https://github.com/moodle/moodle/commit/350397da93c557f577e7d62e7fc3e233792ad171"
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  }, {
    "type" : "WEB",
    "url" : "https://github.com/moodle/moodle/commit/57d9a750e3da6708dba13513e9b05e84a895ad9f"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/moodle/moodle/commit/8e8ee7530427a10e409386657484e9fd5effc438"
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    "url" : "https://github.com/moodle/moodle"
  }, {
    "type" : "WEB",
    "url" : "https://moodle.org/mod/forum/discuss.php?d=313688"
  }, {
    "type" : "WEB",
    "url" : "https://web.archive.org/web/20200228054133/http://www.securityfocus.com/bid/74728"
  }, {
    "type" : "WEB",
    "url" : "https://web.archive.org/web/20201030042703/http://www.securitytracker.com/id/1032358"
  }, {
    "type" : "WEB",
    "url" : "http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-49994"
  }, {
    "type" : "WEB",
    "url" : "http://openwall.com/lists/oss-security/2015/05/18/1"
  } ],
  "database_specific" : {
    "cwe_ids" : [ ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2024-01-26T01:13:10Z",
    "nvd_published_at" : "2015-06-01T19:59:00Z"
  }
}