{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2023-3545",
        "assignerOrgId": "b1571b85-cbc9-431f-830b-0c8155323a69",
        "state": "PUBLISHED",
        "assignerShortName": "STAR_Labs",
        "dateReserved": "2023-07-07T13:10:48.745Z",
        "datePublished": "2023-11-28T07:07:27.183Z",
        "dateUpdated": "2024-08-02T07:01:57.437Z"
    },
    "containers": {
        "cna": {
            "affected": [
                {
                    "defaultStatus": "unaffected",
                    "platforms": [
                        "Windows"
                    ],
                    "product": "Chamilo",
                    "repo": "https://github.com/chamilo/chamilo-lms/",
                    "vendor": "Chamilo",
                    "versions": [
                        {
                            "lessThanOrEqual": "1.11.20",
                            "status": "affected",
                            "version": "0",
                            "versionType": "semver"
                        }
                    ]
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "type": "finder",
                    "user": "00000000-0000-4000-9000-000000000000",
                    "value": "Ngo Wei Lin (@Creastery) of STAR Labs SG Pte. Ltd. (@starlabs_sg)"
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "supportingMedia": [
                        {
                            "base64": false,
                            "type": "text/html",
                            "value": "Improper sanitisation in `main/inc/lib/fileUpload.lib.php` in Chamilo LMS <= v1.11.20 on Windows and Apache installations allows unauthenticated attackers to bypass file upload security protections and obtain remote code execution via uploading of `.htaccess` file. This vulnerability may be exploited by privileged attackers or chained with unauthenticated arbitrary file write vulnerabilities, such as CVE-2023-3533, to achieve remote code execution."
                        }
                    ],
                    "value": "Improper sanitisation in `main/inc/lib/fileUpload.lib.php` in Chamilo LMS <= v1.11.20 on Windows and Apache installations allows unauthenticated attackers to bypass file upload security protections and obtain remote code execution via uploading of `.htaccess` file. This vulnerability may be exploited by privileged attackers or chained with unauthenticated arbitrary file write vulnerabilities, such as CVE-2023-3533, to achieve remote code execution."
                }
            ],
            "impacts": [
                {
                    "capecId": "CAPEC-650",
                    "descriptions": [
                        {
                            "lang": "en",
                            "value": "CAPEC-650 Upload a Web Shell to a Web Server"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "attackComplexity": "LOW",
                        "attackVector": "NETWORK",
                        "availabilityImpact": "HIGH",
                        "baseScore": 9.8,
                        "baseSeverity": "CRITICAL",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "HIGH",
                        "privilegesRequired": "NONE",
                        "scope": "UNCHANGED",
                        "userInteraction": "NONE",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                        "version": "3.1"
                    },
                    "format": "CVSS",
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "GENERAL"
                        }
                    ]
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-178",
                            "description": "CWE-178 Improper Handling of Case Sensitivity",
                            "lang": "en",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "b1571b85-cbc9-431f-830b-0c8155323a69",
                "shortName": "STAR_Labs",
                "dateUpdated": "2023-11-28T07:07:27.183Z"
            },
            "references": [
                {
                    "tags": [
                        "vendor-advisory"
                    ],
                    "url": "https://support.chamilo.org/projects/chamilo-18/wiki/security_issues#Issue-125-2023-07-13-Critical-impact-Moderate-risk-Htaccess-File-Upload-Security-Bypass-on-Windows-CVE-2023-3545"
                },
                {
                    "tags": [
                        "third-party-advisory"
                    ],
                    "url": "https://starlabs.sg/advisories/23/23-3545/"
                },
                {
                    "tags": [
                        "patch"
                    ],
                    "url": "https://github.com/chamilo/chamilo-lms/commit/dc7bfce429fbd843a95a57c184b6992c4d709549"
                }
            ],
            "source": {
                "discovery": "UNKNOWN"
            },
            "title": "Chamilo LMS Htaccess File Upload Security Bypass",
            "x_generator": {
                "engine": "Vulnogram 0.1.0-dev"
            }
        },
        "adp": [
            {
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                    "shortName": "CVE",
                    "dateUpdated": "2024-08-02T07:01:57.437Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "tags": [
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                            "x_transferred"
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                        "url": "https://support.chamilo.org/projects/chamilo-18/wiki/security_issues#Issue-125-2023-07-13-Critical-impact-Moderate-risk-Htaccess-File-Upload-Security-Bypass-on-Windows-CVE-2023-3545"
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                        "url": "https://starlabs.sg/advisories/23/23-3545/"
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                        "url": "https://github.com/chamilo/chamilo-lms/commit/dc7bfce429fbd843a95a57c184b6992c4d709549"
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    }
}