Falhas do tipo CWE-434

3.073 resultados

Upload irrestrito de arquivo com tipo perigoso

A aplicação aceita upload de arquivos sem validar adequadamente o tipo ou extensão, permitindo que um atacante envie executáveis, scripts ou outros arquivos maliciosos que serão armazenados ou executados no servidor. O risco aumenta se o arquivo for salvo em diretório acessível pela web ou em local onde será processado automaticamente.

Exemplo

Um sistema de upload de 'fotos de perfil' verifica apenas o tamanho do arquivo, mas não valida a extensão. Um atacante envia um arquivo .php disfarçado de imagem; se salvo em /uploads/ acessível via web, ele consegue executar código PHP no servidor ao acessar a URL direta.

Como mitigar

Valide extensões contra uma lista branca (whitelist) de tipos permitidos, verifique a assinatura do arquivo (magic bytes) e não confie apenas no Content-Type do cliente. Armazene uploads fora do diretório web ou configure o servidor para não executar scripts no diretório de uploads.

CVE-2023-22851HIGHTiki before 24.2 allows lib/importer/tikiimporter_blog_wordpress.php PHP Object Injection by an admin because of an unserialize call.EPSS 1.0%CVE-2023-4186MEDIUMSourceCodester Pharmacy Management System manage_website.php unrestricted uploadEPSS 1.0%CVE-2022-4506HIGHUnrestricted Upload of File with Dangerous Type in openemr/openemrEPSS 1.0%CVE-2024-49607CRITICALWordPress WP Dropbox Dropins plugin <= 1.0 - Arbitrary File Upload vulnerabilityEPSS 1.0%CVE-2024-2690MEDIUMSourceCodester Online Discussion Forum Site uupdate.php unrestricted uploadEPSS 1.0%CVE-2022-32177CRITICALGin-vue-admin - Unrestricted File UploadEPSS 1.0%CVE-2022-40924HIGHZoo Management System v1.0 has an arbitrary file upload vulnerability in the picture upload point of the "save_animal" file of the "Animals"EPSS 1.0%CVE-2023-5966MEDIUMUnrestricted Upload of File with Dangerous Type in EspoCRMEPSS 1.0%CVE-2023-5965MEDIUMUnrestricted Upload of File with Dangerous Type in EspoCRMEPSS 1.0%CVE-2022-37346CRITICALEC-CUBE plugin 'Product Image Bulk Upload Plugin' 1.0.0 and 4.1.0 contains an insufficient verification vulnerability when uploading files. EPSS 1.0%CVE-2017-20224CRITICALTelesquare SKT LTE Router SDT-CS3B1 WebDAV Arbitrary File UploadEPSS 1.0%CVE-2022-40217MEDIUMWordPress WPide plugin <= 2.6 - Authenticated Arbitrary File Edit/Upload vulnerabilityEPSS 1.0%CVE-2024-50427CRITICALWordPress SurveyJS plugin <= 1.9.136 - Arbitrary File Upload vulnerabilityEPSS 1.0%CVE-2024-4349HIGHSourceCodester Pisay Online E-Learning System controller.php unrestricted uploadEPSS 1.0%CVE-2023-35189CRITICALIagona ScrutisWeb Unrestricted Upload of File with Dangerous TypeEPSS 1.0%CVE-2024-0800HIGHAuthentication Bypass via wizardLogin in Arcserve Unified Data ProtectionEPSS 1.0%CVE-2023-23135HIGHAn arbitrary file upload vulnerability in Ftdms v3.1.6 allows attackers to execute arbitrary code via uploading a crafted JPG file.EPSS 1.0%CVE-2014-125113CRITICALDell/Quest KACE K1000 Unauthenticated File Upload RCEEPSS 1.0%CVE-2023-29268CRITICALTIBCO Spotfire Statistics Services Unrestricted File Upload VulnerabilityEPSS 1.0%CVE-2013-10067CRITICALGlossword 1.8.8 - 1.8.12 Arbitrary File Upload RCEEPSS 1.0%