CVE-2023-30943: Moodle/moodle Moodle External Control Of File Vulnerability
MODERATECVE-2023-30943 is a MODERATE (CVSS 5.3) moodle external control of file vulnerability (CWE-610: Externally Controlled Reference to a Resource in Another Sphere) affecting Moodle/moodle libraries in the Packagist ecosystem. The issue involves moodle external control of file name or path vulnerability. Remediation is available by upgrading affected packages to version 4.2.0-rc2.
CVE-2023-30943 at a Glance
Security Impact
CVSS: 5.3
The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N).
How to Fix CVE-2023-30943
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 4.2.0-rc2Run 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-2023-30943, 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 4.2.0-rc2), 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-610: Externally Controlled Reference to a Resource in Another Sphere, where the product uses an externally controlled name or reference that resolves to a resource that is outside of the intended control sphere. 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-2023-30943 Affected Moodle/moodle Versions
1 component(s)| Product / Package | Ecosystem | Affected Versions | Fixed Version |
|---|---|---|---|
|
moodle/moodle
|
Packagist |
< 4.2.0-rc2
|
4.2.0-rc2
|
References
Frequently Asked Questions
What is CVE-2023-30943?
Which Moodle/moodle versions are affected?
What version fixes CVE-2023-30943?
Is moodle/moodle affected?
What is the CVSS score of CVE-2023-30943?
What CWE is associated with CVE-2023-30943?
How can I check Packagist dependencies for CVE-2023-30943?
Machine-readable OSV JSON
OSV v1.5 Schema
{
"schema_version" : "1.4.0",
"id" : "GHSA-22gj-8qj2-fj46",
"modified" : "2024-04-19T16:22:11Z",
"published" : "2023-05-02T21:31:48Z",
"aliases" : [ "CVE-2023-30943" ],
"summary" : "Moodle External Control of File Name or Path vulnerability",
"details" : "The vulnerability was found Moodle which exists because the application allows a user to control path of the older to create in TinyMCE loaders. A remote user can send a specially crafted HTTP request and create arbitrary folders on the system.",
"severity" : [ {
"type" : "CVSS_V3",
"score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"
} ],
"affected" : [ {
"package" : {
"ecosystem" : "Packagist",
"name" : "moodle/moodle"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "0"
}, {
"fixed" : "4.2.0-rc2"
} ]
} ]
} ],
"references" : [ {
"type" : "ADVISORY",
"url" : "https://nvd.nist.gov/vuln/detail/CVE-2023-30943"
}, {
"type" : "WEB",
"url" : "https://github.com/moodle/moodle/commit/59d42e1ed23f916dcb47d53c745bef18a116d800"
}, {
"type" : "WEB",
"url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2188605"
}, {
"type" : "PACKAGE",
"url" : "https://github.com/moodle/moodle"
}, {
"type" : "WEB",
"url" : "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/54TM5H5PDUDYXOQ7X7PPYWP4AJDAE73I"
}, {
"type" : "WEB",
"url" : "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MZBWRVUJF7HI53XCJPJ3YJZPOV5HBRUY"
}, {
"type" : "WEB",
"url" : "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PBFSXRYLT4ICKJVQSRBAOUDMDRVSVBLS"
}, {
"type" : "WEB",
"url" : "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/54TM5H5PDUDYXOQ7X7PPYWP4AJDAE73I"
}, {
"type" : "WEB",
"url" : "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MZBWRVUJF7HI53XCJPJ3YJZPOV5HBRUY"
}, {
"type" : "WEB",
"url" : "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PBFSXRYLT4ICKJVQSRBAOUDMDRVSVBLS"
}, {
"type" : "WEB",
"url" : "https://moodle.org/mod/forum/discuss.php?d=446285"
}, {
"type" : "WEB",
"url" : "http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-77718"
} ],
"database_specific" : {
"cwe_ids" : [ "CWE-610", "CWE-73" ],
"severity" : "MODERATE",
"github_reviewed" : true,
"github_reviewed_at" : "2023-05-02T23:13:25Z",
"nvd_published_at" : "2023-05-02T20:15:10Z"
}
}