{ "id": "CVE-2023-3545", "sourceIdentifier": "info@starlabs.sg", "published": "2023-11-28T07:15:42.913", "lastModified": "2023-12-04T18:50:46.923", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "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." }, { "lang": "es", "value": "La sanitizaci\u00f3n inadecuada en `main/inc/lib/fileUpload.lib.php` en Chamilo LMS en versiones <= 1.11.20 en instalaciones de Windows y Apache permite a atacantes no autenticados eludir las protecciones de seguridad de carga de archivos y obtener la ejecuci\u00f3n remota de c\u00f3digo mediante la carga de archivo `.htaccess`. Esta vulnerabilidad puede ser aprovechada por atacantes privilegiados o encadenada con vulnerabilidades de escritura de archivos arbitrarios no autenticados, como CVE-2023-3533, para lograr la ejecuci\u00f3n remota de c\u00f3digo." } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL" }, "exploitabilityScore": 3.9, "impactScore": 5.9 }, { "source": "info@starlabs.sg", "type": "Secondary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL" }, "exploitabilityScore": 3.9, "impactScore": 5.9 } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-178" } ] }, { "source": "info@starlabs.sg", "type": "Secondary", "description": [ { "lang": "en", "value": "CWE-178" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:chamilo:chamilo:*:*:*:*:*:*:*:*", "versionEndIncluding": "1.11.20", "matchCriteriaId": "FF883FF3-A05D-4939-9777-9FCC16A9AFBB" } ] } ] } ], "references": [ { "url": "https://github.com/chamilo/chamilo-lms/commit/dc7bfce429fbd843a95a57c184b6992c4d709549", "source": "info@starlabs.sg", "tags": [ "Patch" ] }, { "url": "https://starlabs.sg/advisories/23/23-3545/", "source": "info@starlabs.sg", "tags": [ "Exploit", "Third Party 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", "source": "info@starlabs.sg", "tags": [ "Issue Tracking", "Vendor Advisory" ] } ] }