{"id":112852,"date":"2024-01-12T15:10:15","date_gmt":"2024-01-12T13:10:15","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/ataka-na-infrastrukturu-pytorch-komprometiruyushhaya-repozitorij-i-relizy"},"modified":"2026-02-13T23:24:49","modified_gmt":"2026-02-13T21:24:49","slug":"ataka-na-infrastrukturu-pytorch-komprometiruyushhaya-repozitorij-i-relizy","status":"publish","type":"post","link":"https:\/\/prohoster.info\/nl\/blog\/news\/ataka-na-infrastrukturu-pytorch-komprometiruyushhaya-repozitorij-i-relizy","title":{"rendered":"Aanval op de infrastructuur van PyTorch, compromitterend de repository en releases","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Details of the attack on the infrastructure used for the development of the machine learning framework PyTorch have been revealed, allowing access keys to be extracted, which are sufficient for placing arbitrary data in the project's release repository on GitHub and AWS, as well as for injecting code into the main branch of the repository and adding a backdoor through dependencies. The compromise of PyTorch releases could have been used to attack major companies like Google, Meta, Boeing, and Lockheed Martin, which use PyTorch in their projects. As part of the Bug Bounty program, Meta paid researchers $16,250 for information about the issue.    <\/p>\n<p>The essence of the attack lies in the ability to execute one's own code on <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/nl\/server\/dts-gdansk\/\"   title=\"servers\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"4503\">servers<\/a> continue integratie, die opnieuw bouwen en taken uitvoeren voor het testen van nieuwe wijzigingen die naar de repository worden gestuurd. Het probleem betreft projecten die gebruikmaken van eigen externe verwerkers 'Self-Hosted Runner' met GitHub Actions. In tegenstelling tot traditionele GitHub Actions worden Self-Hosted verwerkers niet uitgevoerd in de infrastructuur van GitHub, maar op hun eigen <a href=\"https:\/\/prohoster.info\/nl\/vps\/ssd-vps\/\"  data-wpil-monitor-id=\"3232\">servers or in virtual<\/a> machines, maintained by developers.     <\/p>\n<p>Het uitvoeren van build-taken op eigen servers maakt het mogelijk om code uit te voeren die het interne netwerk van het bedrijf kan scannen, zoekopdrachten kan uitvoeren in het lokale bestandssysteem naar versleuteling sleutels en toegangstokens, en om omgevingsvariabelen te analyseren met parameters voor toegang tot externe opslag of cloudservices. Bij gebrek aan de juiste isolatie van de build-omgeving kunnen de gevonden vertrouwelijke gegevens naar buiten worden verzonden door aanvallers, bijvoorbeeld via toegang tot externe API's. Om het gebruik van 'Self-Hosted Runner' door projecten te bepalen, kan de Gato-toolkit worden gebruikt, die openbare workflow-bestanden en logs van CI-taken analyseert.       <\/p>\n<p>In PyTorch en veel andere projecten die 'Self-Hosted Runner' gebruiken, is het starten van build-taken alleen toegestaan voor ontwikkelaars wiens wijzigingen eerder zijn beoordeeld en in de codebasis van het project zijn opgenomen. Het hebben van de status 'contributor' in combinatie met de standaardinstellingen in de repository geeft de mogelijkheid om GitHub Actions verwerkers te starten bij het indienen van pull-requests, en dus om hun code uit te voeren in elke omgeving van GitHub Actions Runner die aan de repository of de project-onderhoudende organisatie is gekoppeld.      <\/p>\n<p>Het was eenvoudig om de beperking van de status 'contributor' te omzeilen: het was voldoende om vooraf een kleine wijziging te versturen en te wachten op de acceptatie in de codebasis, waarna de ontwikkelaar automatisch de status van actieve deelnemer kreeg, wiens pull-verzoeken mochten worden getest in de CI-infrastructuur zonder aparte beoordeling. Voor het verkrijgen van de status van actieve ontwikkelaar werden in het experiment kleine cosmetische wijzigingen gebruikt, gerelateerd aan het corrigeren van typefouten in de documentatie. Voor toegang tot de repository en opslagplaats van PyTorch tijdens de aanval, werd de GitHub-token onderschept die werd gebruikt voor toegang tot de repository vanuit de buildprocessen, evenals AWS-sleutels die betrokken waren bij het opslaan van de bouwresultaten.      <\/p>\n<p>Het probleem is niet specifiek voor PyTorch en raakt vele andere grote projecten die standaardinstellingen voor 'Self-Hosted Runner' in GitHub Actions gebruiken. Zo zijn er soortgelijke aanvallen genoemd waarbij een backdoor werd ingebracht in enkele grote cryptocurrency-portemonnees en blockchain-projecten met een miljardenwaardering, veranderingen werden aangebracht in de releases van Microsoft Deepspeed en TensorFlow, een van de applicaties van CloudFlare werd gecompromitteerd, en code werd uitgevoerd op een computer in het netwerk van Microsoft. Details over deze incidenten zijn nog niet openbaar gemaakt. In het kader van bestaande Bug Bounty-programma's hebben onderzoekers meer dan 20 aanvragen ingediend voor het ontvangen van beloningen ter waarde van enkele honderdduizenden dollars.<br \/>\n<br \/>Bron: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=60424\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0420\u0430\u0441\u043a\u0440\u044b\u0442\u044b \u0434\u0435\u0442\u0430\u043b\u0438 \u0430\u0442\u0430\u043a\u0438 \u043d\u0430 \u0438\u043d\u0444\u0440\u0430\u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0443, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c\u0443\u044e \u043f\u0440\u0438 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0435 \u0444\u0440\u0435\u0439\u043c\u0432\u043e\u0440\u043a\u0430 \u043c\u0430\u0448\u0438\u043d\u043d\u043e\u0433\u043e \u043e\u0431\u0443\u0447\u0435\u043d\u0438\u044f PyTorch, \u043f\u043e\u0437\u0432\u043e\u043b\u0438\u0432\u0448\u0443\u044e \u0438\u0437\u0432\u043b\u0435\u0447\u044c \u043a\u043b\u044e\u0447\u0438 \u0434\u043e\u0441\u0442\u0443\u043f\u0430, \u0434\u043e\u0441\u0442\u0430\u0442\u043e\u0447\u043d\u044b\u0435 \u0434\u043b\u044f \u0440\u0430\u0437\u043c\u0435\u0449\u0435\u043d\u0438\u044f \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u043b\u044c\u043d\u044b\u0445 \u0434\u0430\u043d\u043d\u044b\u0445 \u0432 \u0440\u0435\u043f\u043e\u0437\u0438\u0442\u043e\u0440\u0438\u0438 \u0441 \u0440\u0435\u043b\u0438\u0437\u0430\u043c\u0438 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \u0432 GitHub \u0438 AWS, \u0430 \u0442\u0430\u043a\u0436\u0435 \u0434\u043b\u044f \u043f\u043e\u0434\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0438 \u043a\u043e\u0434\u0430 \u0432 \u043e\u0441\u043d\u043e\u0432\u043d\u0443\u044e \u0432\u0435\u0442\u043a\u0443 \u0440\u0435\u043f\u043e\u0437\u0438\u0442\u043e\u0440\u0438\u044f \u0438 \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0431\u044d\u043a\u0434\u043e\u0440\u0430 \u0447\u0435\u0440\u0435\u0437 \u0437\u0430\u0432\u0438\u0441\u0438\u043c\u043e\u0441\u0442\u0438. \u041f\u043e\u0434\u043c\u0435\u043d\u0430 \u0440\u0435\u043b\u0438\u0437\u043e\u0432 PyTorch \u043c\u043e\u0433\u043b\u0430 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c\u0441\u044f \u0434\u043b\u044f \u043e\u0441\u0443\u0449\u0435\u0441\u0442\u0432\u043b\u0435\u043d\u0438\u044f \u0430\u0442\u0430\u043a\u0438 \u043d\u0430 \u043a\u0440\u0443\u043f\u043d\u044b\u0435 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438, [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-112852","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0420\u0430\u0441\u043a\u0440\u044b\u0442\u044b \u0434\u0435\u0442\u0430\u043b\u0438 \u0430\u0442\u0430\u043a\u0438 \u043d\u0430 \u0438\u043d\u0444\u0440\u0430\u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0443, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c\u0443\u044e \u043f\u0440\u0438 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0435 \u0444\u0440\u0435\u0439\u043c\u0432\u043e\u0440\u043a\u0430 \u043c\u0430\u0448\u0438\u043d\u043d\u043e\u0433\u043e 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