CVE-2023-41362 - Vulnerability Details - OpenCVE

MyBB before 1.8.36 allows Code Injection by users with certain high privileges. Templates in Admin CP intentionally use eval, and there was some validation of the input to eval, but type juggling interfered with this when using PCRE within PHP.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required High

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.22031.

Exploitation poc

Automatable no

Technical Impact total

Vendors	Products
Mybb	Mybb

Configuration 1 [-]

cpe:2.3:a:mybb:mybb:*:*:*:*:*:*:*:*

No data.

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://blog.sorcery.ie/posts/mybb_acp_rce/
https://github.com/mybb/mybb/commit/a43a6f22944e769a6eabc58c39e7bc18c1cab4ca.patch
https://github.com/mybb/mybb/security/advisories/GHSA-pr74-wvp3-q6f5
https://mybb.com/versions/1.8.36/

History

Tue, 01 Oct 2024 21:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2023-08-29T00:00:00

Updated: 2024-10-01T20:41:29.859Z

Reserved: 2023-08-29T00:00:00

Link: CVE-2023-41362

Vulnrichment

Updated: 2024-08-02T19:01:35.079Z

NVD

Status : Modified

Published: 2023-08-29T16:15:09.237

Modified: 2024-11-21T08:21:09.480

Link: CVE-2023-41362

Redhat

No data.

OpenCVE Enrichment

No data.

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mybb:mybb:*:*:*:*:*:*:*:*", "matchCriteriaId": "BB1F809C-701C-452A-9E80-B91FF79CF7AC", "versionEndExcluding": "1.8.36", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "MyBB before 1.8.36 allows Code Injection by users with certain high privileges. Templates in Admin CP intentionally use eval, and there was some validation of the input to eval, but type juggling interfered with this when using PCRE within PHP."}, {"lang": "es", "value": "MyBB anterior a 1.8.36 permite la inyecci\u00f3n de c\u00f3digo por parte de usuarios con ciertos privilegios elevados. Las plantillas en Admin CP usan intencionalmente eval, y hubo cierta validaci\u00f3n de la entrada para eval, pero el malabarismo de tipos interfiri\u00f3 con esto cuando se usaba PCRE dentro de PHP.\n"}], "id": "CVE-2023-41362", "lastModified": "2024-11-21T08:21:09.480", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.2, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.2, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2023-08-29T16:15:09.237", "references": [{"source": "cve@mitre.org", "url": "https://blog.sorcery.ie/posts/mybb_acp_rce/"}, {"source": "cve@mitre.org", "tags": ["Patch"], "url": "https://github.com/mybb/mybb/commit/a43a6f22944e769a6eabc58c39e7bc18c1cab4ca.patch"}, {"source": "cve@mitre.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/mybb/mybb/security/advisories/GHSA-pr74-wvp3-q6f5"}, {"source": "cve@mitre.org", "tags": ["Release Notes"], "url": "https://mybb.com/versions/1.8.36/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://blog.sorcery.ie/posts/mybb_acp_rce/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://github.com/mybb/mybb/commit/a43a6f22944e769a6eabc58c39e7bc18c1cab4ca.patch"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/mybb/mybb/security/advisories/GHSA-pr74-wvp3-q6f5"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes"], "url": "https://mybb.com/versions/1.8.36/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-94"}], "source": "nvd@nist.gov", "type": "Primary"}]}