CVE-2023-28336: Moodle/moodle Moodle May Allow Teachers To Vulnerability
MODERATECVE-2023-28336 is a MODERATE (CVSS 4.3) moodle may allow teachers to vulnerability (CWE-668: Exposure of Resource to Wrong Sphere) affecting Moodle/moodle libraries in the Packagist ecosystem. The issue involves moodle may allow teachers to access the names of users they could not otherwise access. Remediation is available by upgrading affected packages to version 4.1.2, 4.0.7, 3.11.13, 3.9.20.
CVE-2023-28336 at a Glance
Security Impact
CVSS: 4.3
The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N).
How to Fix CVE-2023-28336
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.
Upgrade moodle/moodle to 4.1.2Upgrade moodle/moodle to 4.0.7Upgrade moodle/moodle to 3.11.13Upgrade moodle/moodle to 3.9.20Run the following command in your project directory to verify that all resolved dependencies use the patched release:
inspect dependencies for moodle/moodleHow to Check if You Are Affected
To determine whether your application is affected by CVE-2023-28336, inspect your project dependencies for Moodle/moodle:
inspect dependencies for moodle/moodleAnalyze 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 4.1.2), 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-668: Exposure of Resource to Wrong Sphere, where the product exposes a resource to the wrong control sphere, providing unintended actors with inappropriate access to the resource. 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
CVE-2023-28336 Affected Moodle/moodle Versions
4 component(s)| Product / Package | Ecosystem | Affected Versions | Fixed Version |
|---|---|---|---|
|
moodle/moodle
|
Packagist |
≥ 4.1.0
< 4.1.2
|
4.1.2
|
|
moodle/moodle
|
Packagist |
≥ 4.0.0
< 4.0.7
|
4.0.7
|
|
moodle/moodle
|
Packagist |
≥ 3.11.0
< 3.11.13
|
3.11.13
|
|
moodle/moodle
|
Packagist |
< 3.9.20
|
3.9.20
|
References
Frequently Asked Questions
What is CVE-2023-28336?
Which Moodle/moodle versions are affected?
What version fixes CVE-2023-28336?
Is moodle/moodle affected?
What is the CVSS score of CVE-2023-28336?
What CWE is associated with CVE-2023-28336?
How can I check Packagist dependencies for CVE-2023-28336?
Machine-readable OSV JSON
OSV v1.5 Schema
{
"schema_version" : "1.4.0",
"id" : "GHSA-prjm-2fj2-787f",
"modified" : "2024-04-19T16:21:33Z",
"published" : "2023-03-23T21:30:17Z",
"aliases" : [ "CVE-2023-28336" ],
"summary" : "Moodle may allow teachers to access the names of users they could not otherwise access",
"details" : "Insufficient filtering of grade report history made it possible for teachers to access the names of users they could not otherwise access.",
"severity" : [ {
"type" : "CVSS_V3",
"score" : "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"
} ],
"affected" : [ {
"package" : {
"ecosystem" : "Packagist",
"name" : "moodle/moodle"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "4.1.0"
}, {
"fixed" : "4.1.2"
} ]
} ]
}, {
"package" : {
"ecosystem" : "Packagist",
"name" : "moodle/moodle"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "4.0.0"
}, {
"fixed" : "4.0.7"
} ]
} ]
}, {
"package" : {
"ecosystem" : "Packagist",
"name" : "moodle/moodle"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "3.11.0"
}, {
"fixed" : "3.11.13"
} ]
} ]
}, {
"package" : {
"ecosystem" : "Packagist",
"name" : "moodle/moodle"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "0"
}, {
"fixed" : "3.9.20"
} ]
} ]
} ],
"references" : [ {
"type" : "ADVISORY",
"url" : "https://nvd.nist.gov/vuln/detail/CVE-2023-28336"
}, {
"type" : "WEB",
"url" : "https://github.com/moodle/moodle/commit/a931a7f8cec3657827268837b27962a13817ca2b"
}, {
"type" : "WEB",
"url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2179426"
}, {
"type" : "WEB",
"url" : "https://git.moodle.org/gw?p=moodle.git;a=commit;h=a931a7f8cec3657827268837b27962a13817ca2b"
}, {
"type" : "PACKAGE",
"url" : "https://github.com/moodle/moodle"
}, {
"type" : "WEB",
"url" : "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3QZN34VSF4HTCW3C3ZP2OZYSLYUKADPF"
}, {
"type" : "WEB",
"url" : "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3QZN34VSF4HTCW3C3ZP2OZYSLYUKADPF"
}, {
"type" : "WEB",
"url" : "https://moodle.org/mod/forum/discuss.php?d=445068"
} ],
"database_specific" : {
"cwe_ids" : [ "CWE-200", "CWE-668" ],
"severity" : "MODERATE",
"github_reviewed" : true,
"github_reviewed_at" : "2023-03-23T23:08:26Z",
"nvd_published_at" : "2023-03-23T21:15:00Z"
}
}