CVE-2023-5551: Moodle/moodle Moodle Exposure Of Sensitive Information Vulnerability
LOWCVE-2023-5551 is a LOW (CVSS 3.3) moodle exposure of sensitive information vulnerability (CWE-200: Exposure of Sensitive Information to an Unauthorized Actor) affecting Moodle/moodle libraries in the Packagist ecosystem. The issue involves moodle exposure of sensitive information to an unauthorized actor vulnerability. Remediation is available by upgrading affected packages to version 4.3.0-rc2, 4.2.3, 4.1.6, 4.0.11, 3.11.17, 3.9.24.
CVE-2023-5551 at a Glance
Security Impact
CVSS: 3.3
The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N).
How to Fix CVE-2023-5551
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 4.3.0-rc2Upgrade moodle/moodle to 4.2.3Upgrade moodle/moodle to 4.1.6Upgrade moodle/moodle to 4.0.11Upgrade moodle/moodle to 3.11.17Upgrade moodle/moodle to 3.9.24Run 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-2023-5551, 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 4.3.0-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-200: Exposure of Sensitive Information to an Unauthorized Actor, where the product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. 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-2023-5551 Affected Moodle/moodle Versions
6 component(s)| Product / Package | Ecosystem | Affected Versions | Fixed Version |
|---|---|---|---|
|
moodle/moodle
|
Packagist |
≥ 4.3.0-beta
< 4.3.0-rc2
|
4.3.0-rc2
|
|
moodle/moodle
|
Packagist |
≥ 4.2.0
< 4.2.3
|
4.2.3
|
|
moodle/moodle
|
Packagist |
≥ 4.1.0
< 4.1.6
|
4.1.6
|
|
moodle/moodle
|
Packagist |
≥ 4.0.0
< 4.0.11
|
4.0.11
|
|
moodle/moodle
|
Packagist |
≥ 3.10.0
< 3.11.17
|
3.11.17
|
|
moodle/moodle
|
Packagist |
< 3.9.24
|
3.9.24
|
References
Frequently Asked Questions
What is CVE-2023-5551?
Which Moodle/moodle versions are affected?
What version fixes CVE-2023-5551?
Is moodle/moodle affected?
What is the CVSS score of CVE-2023-5551?
What CWE is associated with CVE-2023-5551?
How can I check Packagist dependencies for CVE-2023-5551?
Machine-readable OSV JSON
OSV v1.5 Schema
{
"schema_version" : "1.4.0",
"id" : "GHSA-jr83-8x65-xcr5",
"modified" : "2023-11-17T22:30:17Z",
"published" : "2023-11-09T21:30:39Z",
"aliases" : [ "CVE-2023-5551" ],
"summary" : "Moodle Exposure of Sensitive Information to an Unauthorized Actor vulnerability",
"details" : "Separate Groups mode restrictions were not honoured in the forum summary report, which would display users from other groups.",
"severity" : [ {
"type" : "CVSS_V3",
"score" : "CVSS:3.1/AV:L/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" : "4.3.0-beta"
}, {
"fixed" : "4.3.0-rc2"
} ]
} ]
}, {
"package" : {
"ecosystem" : "Packagist",
"name" : "moodle/moodle"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "4.2.0"
}, {
"fixed" : "4.2.3"
} ]
} ]
}, {
"package" : {
"ecosystem" : "Packagist",
"name" : "moodle/moodle"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "4.1.0"
}, {
"fixed" : "4.1.6"
} ]
} ]
}, {
"package" : {
"ecosystem" : "Packagist",
"name" : "moodle/moodle"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "4.0.0"
}, {
"fixed" : "4.0.11"
} ]
} ]
}, {
"package" : {
"ecosystem" : "Packagist",
"name" : "moodle/moodle"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "3.10.0"
}, {
"fixed" : "3.11.17"
} ]
} ]
}, {
"package" : {
"ecosystem" : "Packagist",
"name" : "moodle/moodle"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "0"
}, {
"fixed" : "3.9.24"
} ]
} ]
} ],
"references" : [ {
"type" : "ADVISORY",
"url" : "https://nvd.nist.gov/vuln/detail/CVE-2023-5551"
}, {
"type" : "WEB",
"url" : "https://github.com/moodle/moodle/commit/2bb6c551cf2e7be29857db35388911b8179394b0"
}, {
"type" : "WEB",
"url" : "https://github.com/moodle/moodle/commit/6de45d2c9f7dd7b24210ab0310c296366a82986a"
}, {
"type" : "WEB",
"url" : "https://github.com/moodle/moodle/commit/b91feb0b2328cdda2561d68b8dfe2a129190bc85"
}, {
"type" : "WEB",
"url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2243453"
}, {
"type" : "PACKAGE",
"url" : "https://github.com/moodle/moodle"
}, {
"type" : "WEB",
"url" : "https://moodle.org/mod/forum/discuss.php?d=451592"
}, {
"type" : "WEB",
"url" : "http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-79310"
} ],
"database_specific" : {
"cwe_ids" : [ "CWE-200" ],
"severity" : "LOW",
"github_reviewed" : true,
"github_reviewed_at" : "2023-11-10T00:42:49Z",
"nvd_published_at" : "2023-11-09T20:15:11Z"
}
}