CVE-2012-0797: Moodle/moodle Moodle Users Can Bypass Deleted Vulnerability

MODERATE
Advisory Identifier: GHSA-72gv-qqrp-h9qg
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CWE-287
Published
Advisory Summary

CVE-2012-0797 is a MODERATE moodle users can bypass deleted vulnerability (CWE-287: Improper Authentication) affecting Moodle/moodle libraries in the Packagist ecosystem. The issue involves moodle users can bypass deleted status. Remediation is available by upgrading affected packages to version 2.2.1, 2.1.4, 2.0.7.

CVE-2012-0797 at a Glance

CVE Identifier CVE-2012-0797
GHSA Identifier GHSA-72gv-qqrp-h9qg
Severity MODERATE
CVSS v3.1 Base Score N/A
CWE Classification CWE-287: Improper Authentication
Affected Product Moodle/moodle
Package Ecosystem Packagist
Published Date
Last Updated

How to Fix CVE-2012-0797

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: 2.2.1 
Upgrade moodle/moodle to 2.2.1
moodle/moodle fixed: 2.1.4 
Upgrade moodle/moodle to 2.1.4
moodle/moodle fixed: 2.0.7 
Upgrade moodle/moodle to 2.0.7
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-2012-0797, 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 2.2.1), 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-287: Improper Authentication, where when an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. 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 webservices functionality in Moodle 2.0.x before 2.0.7, 2.1.x before 2.1.4, and 2.2.x before 2.2.1 allows remote authenticated users to bypass the deleted status and continue using a server via a token.

CVE-2012-0797 Affected Moodle/moodle Versions

3 component(s)
Fixed Versions:
2.2.12.1.42.0.7
Product / Package Ecosystem Affected Versions Fixed Version
moodle/moodle
 Packagist
≥ 2.2
< 2.2.1
2.2.1
moodle/moodle
 Packagist
≥ 2.1
< 2.1.4
2.1.4
moodle/moodle
 Packagist
≥ 2.0
< 2.0.7
2.0.7

References

NVD — CVE-2012-0797 NVD
https://nvd.nist.gov/vuln/detail/CVE-2012-0797
Security Fix Commit FIX COMMIT
https://github.com/moodle/moodle/commit/364622b4662d9f349f3701ed548cda2f31491fea
Security Fix Commit FIX COMMIT
https://github.com/moodle/moodle/commit/bbcde38b334ecbfa2a18b01b77a7e995b2c0d9f7
Security Fix Commit FIX COMMIT
https://github.com/moodle/moodle/commit/dbfa519ad9e4d33ac3a4cd506d606d56a2f0bbff
Security Fix Commit FIX COMMIT
https://github.com/moodle/moodle/commit/e922d9a90bab337b1082fbe28c352c18cae2580e
bugzilla.redhat.com/show_bug.cgi WEB
https://bugzilla.redhat.com/show_bug.cgi?id=783532
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-28126
moodle.org/mod/forum/discuss.p... WEB
http://moodle.org/mod/forum/discuss.php?d=194016

Frequently Asked Questions

What is CVE-2012-0797?
CVE-2012-0797 is a security vulnerability in Moodle/moodle involving Moodle Users Can Bypass Deleted Status under CWE-287: Improper Authentication.
Which Moodle/moodle versions are affected?
Affected versions include releases prior to 2.2.1, 2.1.4, 2.0.7 across affected packages: moodle/moodle.
What version fixes CVE-2012-0797?
Upgrading to 2.2.1, 2.1.4, 2.0.7 (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 2.2.1, 2.1.4, 2.0.7. Upgrade your dependency to 2.2.1, 2.1.4, 2.0.7 or later.
What CWE is associated with CVE-2012-0797?
CVE-2012-0797 is classified under CWE-287: Improper Authentication (When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.).
How can I check Packagist dependencies for CVE-2012-0797?
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-72gv-qqrp-h9qg",
  "modified" : "2024-01-12T16:10:49Z",
  "published" : "2022-05-13T01:13:04Z",
  "aliases" : [ "CVE-2012-0797" ],
  "summary" : "Moodle Users Can Bypass Deleted Status",
  "details" : "The webservices functionality in Moodle 2.0.x before 2.0.7, 2.1.x before 2.1.4, and 2.2.x before 2.2.1 allows remote authenticated users to bypass the deleted status and continue using a server via a token.",
  "severity" : [ ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "moodle/moodle"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "2.2"
      }, {
        "fixed" : "2.2.1"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "moodle/moodle"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "2.1"
      }, {
        "fixed" : "2.1.4"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "moodle/moodle"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "2.0"
      }, {
        "fixed" : "2.0.7"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2012-0797"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/moodle/moodle/commit/364622b4662d9f349f3701ed548cda2f31491fea"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/moodle/moodle/commit/bbcde38b334ecbfa2a18b01b77a7e995b2c0d9f7"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/moodle/moodle/commit/dbfa519ad9e4d33ac3a4cd506d606d56a2f0bbff"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/moodle/moodle/commit/e922d9a90bab337b1082fbe28c352c18cae2580e"
  }, {
    "type" : "WEB",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=783532"
  }, {
    "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-28126"
  }, {
    "type" : "WEB",
    "url" : "http://moodle.org/mod/forum/discuss.php?d=194016"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-287" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2024-01-12T16:10:49Z",
    "nvd_published_at" : "2012-07-17T10:20:00Z"
  }
}