La Python Software Foundation a r\u00e9v\u00e9l\u00e9 une vuln\u00e9rabilit\u00e9 critique dans l'API de gestion des versions, qui pouvait \u00eatre exploit\u00e9e pour attaquer l'infrastructure du projet Python. Cette vuln\u00e9rabilit\u00e9 permettait de contourner le syst\u00e8me d'authentification et de se connecter \u00e0 l'API de gestion des versions avec des droits d'administrateur en envoyant une requ\u00eate avec n'importe quelle cl\u00e9 et en sp\u00e9cifiant l'un des administrateurs dans le champ du nom d'utilisateur. <\/p>\n
Les droits obtenus par l\u2019exploitation r\u00e9ussie de la vuln\u00e9rabilit\u00e9 permettaient \u00e0 l'attaquant d'apporter des modifications aux liens des versions Python et aux m\u00e9tadonn\u00e9es pour v\u00e9rifier l'int\u00e9grit\u00e9 des fichiers t\u00e9l\u00e9charg\u00e9s, pr\u00e9sents sur la page python.org\/downloads. Toutefois, la vuln\u00e9rabilit\u00e9 ne permettait pas de modifier le contenu des fichiers de versions existants. <\/p>\n
L'audit de la base de donn\u00e9es et des journaux n'a r\u00e9v\u00e9l\u00e9 aucune trace d'exploitation de la vuln\u00e9rabilit\u00e9. Il est \u00e9galement suppos\u00e9 que le remplacement des liens de versions n'aurait pas pu passer inaper\u00e7u, car de nombreux fournisseurs utilisent un syst\u00e8me de v\u00e9rification cryptographique du code Sigstore et v\u00e9rifient \u00e0 l'aide de cl\u00e9s PGP lors du t\u00e9l\u00e9chargement.<\/p>\n
La vuln\u00e9rabilit\u00e9 \u00e9tait pr\u00e9sente dans le code depuis 2014 et \u00e9tait caus\u00e9e par le m\u00e9lange, dans un m\u00eame code, de gestionnaires pour les acc\u00e8s invit\u00e9s et d'authentification par cl\u00e9 pour l'API. En cas d'\u00e9chec de l'authentification par cl\u00e9 d'acc\u00e8s \u00e0 l'API, le code revenait \u00e0 l'utilisation de l'acc\u00e8s invit\u00e9. <\/p>\n
La vuln\u00e9rabilit\u00e9 a \u00e9t\u00e9 identifi\u00e9e le 23 f\u00e9vrier et corrig\u00e9e le lendemain, apr\u00e8s quoi plusieurs v\u00e9rifications d'int\u00e9grit\u00e9 de l'infrastructure ont \u00e9t\u00e9 r\u00e9alis\u00e9es : le 25 f\u00e9vrier, les journaux et les sauvegardes de la base de donn\u00e9es ont \u00e9t\u00e9 analys\u00e9s, toutes les ressources disponibles pour t\u00e9l\u00e9chargement ont \u00e9t\u00e9 v\u00e9rifi\u00e9es \u00e0 l'aide de signatures num\u00e9riques provenant du journal Sigstore et de cl\u00e9s PGP, un audit de la base de code des services utilis\u00e9s a \u00e9t\u00e9 r\u00e9alis\u00e9 en interne. Le 23 avril, la base de code a \u00e9t\u00e9 v\u00e9rifi\u00e9e de mani\u00e8re suppl\u00e9mentaire \u00e0 l'aide d'outils d'IA, et le 1er juin, la soci\u00e9t\u00e9 Trail of Bits a \u00e9t\u00e9 sollicit\u00e9e pour un audit externe de l'infrastructure python.org et des processus de g\u00e9n\u00e9ration des versions Python. \u041e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u044f Python Software Foundation \u0440\u0430\u0441\u043a\u0440\u044b\u043b\u0430 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044e \u043e \u043a\u0440\u0438\u0442\u0438\u0447\u0435\u0441\u043a\u043e\u0439 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u0432 API \u0434\u043b\u044f \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0440\u0435\u043b\u0438\u0437\u0430\u043c\u0438, \u043a\u043e\u0442\u043e\u0440\u0443\u044e \u043c\u043e\u0436\u043d\u043e \u0431\u044b\u043b\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0434\u043b\u044f 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Source : opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"