{"id":33321,"date":"2019-10-31T21:51:57","date_gmt":"2019-10-31T18:51:57","guid":{"rendered":"https:\/\/prohoster.info\/blog\/uyazvimost-v-subd-sqlite\/"},"modified":"2019-10-31T21:51:57","modified_gmt":"2019-10-31T18:51:57","slug":"uyazvimost-v-subd-sqlite","status":"publish","type":"post","link":"https:\/\/prohoster.info\/fr\/blog\/news\/uyazvimost-v-subd-sqlite","title":{"rendered":"Vuln\u00e9rabilit\u00e9 dans la base de donn\u00e9es SQLite","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Dans la base de donn\u00e9es SQLite une vuln\u00e9rabilit\u00e9 a \u00e9t\u00e9 identifi\u00e9e<\/a><\/noindex> CVE-2020-10174<\/a><\/noindex> (CVE-2019-5018), permettant d'ex\u00e9cuter son propre code dans le syst\u00e8me en raison de la possibilit\u00e9 d'ex\u00e9cuter une requ\u00eate SQL pr\u00e9par\u00e9e par un attaquant. Le probl\u00e8me est caus\u00e9 par une erreur dans l'impl\u00e9mentation des fonctions de fen\u00eatrage et se manifeste \u00e0 partir de la version SQLite 3.26<\/a><\/noindex>. La vuln\u00e9rabilit\u00e9 a \u00e9t\u00e9 corrig\u00e9e<\/a><\/noindex> dans la version d'avril SQLite 3.28<\/a><\/noindex> sans mention expresse de la correction des probl\u00e8mes de s\u00e9curit\u00e9.<\/p>\n

Une requ\u00eate SQL sp\u00e9cialement formul\u00e9e SELECT peut entra\u00eener l'acc\u00e8s \u00e0 une zone m\u00e9moire d\u00e9j\u00e0 lib\u00e9r\u00e9e (use-after-free), pouvant potentiellement \u00eatre exploit\u00e9e pour ex\u00e9cuter son propre code dans le contexte de l'application utilisant SQLite. La vuln\u00e9rabilit\u00e9 peut \u00eatre exploit\u00e9e si l'application permet le passage de constructions SQL externes \u00e0 SQLite. <\/p>\n

Par exemple, une attaque peut potentiellement \u00eatre men\u00e9e sur le navigateur Chrome et les applications utilisant le moteur Chromium, car l'API WebSQL est impl\u00e9ment\u00e9e au-dessus de SQLite et interagit avec cette base de donn\u00e9es pour traiter les requ\u00eates SQL provenant des applications web. Pour r\u00e9aliser l'attaque, il suffit de cr\u00e9er une page avec un code JavaScript malveillant et de convaincre l'utilisateur de l'ouvrir dans un navigateur bas\u00e9 sur le moteur Chromium. <\/p>\n

<\/a><\/noindex><\/p>\n

Source : opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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