{"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 &lt;= 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":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-02T07:01:57.437Z"},"title":"CVE Program Container","references":[{"tags":["vendor-advisory","x_transferred"],"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","x_transferred"],"url":"https://starlabs.sg/advisories/23/23-3545/"},{"tags":["patch","x_transferred"],"url":"https://github.com/chamilo/chamilo-lms/commit/dc7bfce429fbd843a95a57c184b6992c4d709549"}]}]}}