{"id":10324,"date":"2016-05-21T22:04:19","date_gmt":"2016-05-21T20:04:19","guid":{"rendered":"https:\/\/www.customprotocol.com\/?p=10324"},"modified":"2019-09-28T12:51:05","modified_gmt":"2019-09-28T12:51:05","slug":"ps4-exploit-webkit-decouvert-firmware-3-50","status":"publish","type":"post","link":"https:\/\/www.customprotocol.com\/ps4-exploit-webkit-decouvert-firmware-3-50\/","title":{"rendered":"[Rumeur] [PS4] Un exploit webkit d\u00e9couvert sur le firmware 3.50&#8239;?"},"content":{"rendered":"<p style=\"text-align: justify;\">Des rumeurs, \u00e7a faisait longtemps&#8239;!&nbsp;\ud83d\ude00 La derni\u00e8re en date provient d'un certain <em>qwertyoruiop<\/em>, d\u00e9j\u00e0 connu pour <a href=\"https:\/\/www.customprotocol.com\/underground\/ps4-cturt-livre-nouveaux-details-sur-exploit-kernel\/\" target=\"_blank\" rel=\"noopener noreferrer\">sa contribution au <em>kernel exploit <\/em><\/a>de <em>CTurt<\/em> et \u00e0 la sc\u00e8ne iOS. Ce <em>hacker<\/em> dont la r\u00e9putation n'est plus \u00e0 prouver aurait donc trouv\u00e9 une <strong>faille WebKit<\/strong> pr\u00e9sente sur la PS4, si l'on en croit <a href=\"http:\/\/playstationhax.it\/3-50-working-webkit-exploit-new-entry-point-1-76-all-over-again\/\" target=\"_blank\" rel=\"noopener noreferrer\" class=\"broken_link\">cet article<\/a> de <em>PlayStationHax.it<\/em>. Sur son <em>Twitter<\/em>, le d\u00e9veloppeur n'en dit pas vraiment plus, sinon que son <strong>exploit<\/strong> pourrait faire <em>crasher<\/em> une PS4. Mais est-ce que ce <em>crash <\/em>pourrait justement \u00eatre <strong>exploit\u00e9 <\/strong>? On ne le sait pas...<\/p>\n<div align=\"center\">\n<blockquote class=\"twitter-tweet\" data-lang=\"fr\">\n<p dir=\"ltr\" lang=\"en\">also bug seems to trigger on ps4- but it's impossible to distinguish between OOM and segfault on ps4&nbsp;:\/<\/p>\n<p>\u2014 qwertyoruiop (@qwertyoruiopz) <a href=\"https:\/\/twitter.com\/qwertyoruiopz\/status\/733604554915385345\">20 mai 2016<\/a><\/p><\/blockquote>\n<p><script src=\"\/\/platform.twitter.com\/widgets.js\" async=\"\" charset=\"utf-8\"><\/script><\/p>\n<\/div>\n<hr>\n<p style=\"text-align: justify;\">L'auteur a mis en ligne sur son <em>GitHub<\/em> <a href=\"https:\/\/github.com\/WebKit\/webkit\/commit\/98845d940e30529098eea7e496af02e14301c704\" target=\"_blank\" rel=\"noopener noreferrer\" class=\"broken_link\">quelques d\u00e9tails<\/a>, afin que les personnes comp\u00e9tentes dans ce domaine puissent confirmer si ce beau bazar fonctionne. <a href=\"http:\/\/wololo.net\/2016\/05\/20\/rumor-ps4-webkit-exploit-3-50-incoming\/\" target=\"_blank\" rel=\"noopener noreferrer\">Selon&nbsp;<em>Wololo<\/em><\/a>, la meilleure approche serait peut-\u00eatre d'essayer d'exploiter la faille sur le 1.76 o\u00f9 quelques outils de <em>debug<\/em> (quoique limit\u00e9s) existent, plut\u00f4t que de travailler sur une preuve de concept obscure directement sur le 3.50. Quoiqu'il en soit, <em>qwertyoruiop <\/em>a pr\u00e9venu sur <em>Twitter<\/em> qu'il <em>uploaderait<\/em> tout \u00e7a bient\u00f4t.<\/p>\n<div align=\"center\">\n<blockquote class=\"twitter-tweet\" data-lang=\"fr\">\n<p dir=\"ltr\" lang=\"en\">btw <a href=\"https:\/\/t.co\/SqBipbA1uj\">https:\/\/t.co\/SqBipbA1uj<\/a> is the bug i\u2019m playing with. will upload code for the exploit at some point<\/p>\n<p>\u2014 qwertyoruiop (@qwertyoruiopz) <a href=\"https:\/\/twitter.com\/qwertyoruiopz\/status\/733599234797142016\">20 mai 2016<\/a><\/p><\/blockquote>\n<p><script src=\"\/\/platform.twitter.com\/widgets.js\" async=\"\" charset=\"utf-8\"><\/script><\/p>\n<\/div>\n<p style=\"text-align: justify;\">Il est toutefois important de rappeler que le codeur est surtout connu pour son travail sur la sc\u00e8ne iOS. Par cons\u00e9quent, cet <strong>exploit WebKit<\/strong> n'est peut-\u00eatre pas compatible avec la PS4. Et j'ai bien dit \"peut-\u00eatre\", car la magie du <em>WebKit<\/em>, c'est que tous les appareils dot\u00e9s d'un navigateur l'ont&#8239;!&nbsp;\ud83d\ude42<\/p>\n<p style=\"text-align: justify;\">Une question vous br\u00fble peut-\u00eatre vos l\u00e8vres&nbsp;: \"est-ce que je dois rester en 3.50&#8239;?\". Eh bien, si vous \u00eates d\u00e9j\u00e0 sur ce <em>firmware<\/em> et que vous \u00eates r\u00e9ellement int\u00e9ress\u00e9 par le <strong>hack<\/strong>, je vous conseille de ne plus mettre \u00e0 jour, oui. En revanche, si vous \u00eates en 1.76, voire en 2.XX, je ne vous conseille clairement pas d'<em>updater<\/em>...<\/p>\n<p style=\"text-align: justify;\"><a href=\"https:\/\/www.customprotocol.com\/medias\/2016\/05\/ps4-blanche-exploit-webkit-kernel-firmware-3.50-rumeur.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-10325\" src=\"https:\/\/www.customprotocol.com\/medias\/2016\/05\/ps4-blanche-exploit-webkit-kernel-firmware-3.50-rumeur-500x281.png\" alt=\"PS4 blanche exploit webkit kernel firmware 3.50 rumeur\" width=\"500\" height=\"281\"><\/a><\/p>\n<p style=\"text-align: justify;\">Pourquoi&#8239;? Parce rien n'est s\u00fbr pour l'instant&nbsp;: premi\u00e8rement, on ne sait pas si cet <strong>exploit<\/strong> est compatible avec la PS4&#8239;; deuxi\u00e8mement, si cet <strong>exploit<\/strong> s'av\u00e9rait fonctionnel il ne nous donnerait acc\u00e8s qu'au processus de <em>WebKit<\/em> et non au noyau. Il faudrait pour ce faire trouver d'autres <em>exploits kernels<\/em> permettant une \u00e9l\u00e9vation des privil\u00e8ges. En 1.76 par exemple, les utilisateurs peuvent acc\u00e9der au <em>kernel<\/em> (= noyau) gr\u00e2ce \u00e0 une habile combinaison <em>WebKit<\/em>\/<a href=\"https:\/\/www.customprotocol.com\/underground\/ps4-dev-menu-enfin-accessible-merci-dlclose\/\" target=\"_blank\" rel=\"noopener noreferrer\"><em>dlclose<\/em><\/a>.<\/p>\n<p style=\"text-align: justify;\">Ce dernier <em>exploit kernel <\/em>n'\u00e9tant compatible qu'avec le 1.76 et certains 2.XX, un <strong>exploit WebKit<\/strong> sur le 3.50 permettrait donc automatiquement aux possesseurs de PS4 \u00e9quip\u00e9es du&nbsp;<em>firmware<\/em> ad\u00e9quat d'acc\u00e9der au noyau et de jouir des fonctionnalit\u00e9s que cela propose, entre autres&nbsp;: <a href=\"https:\/\/www.customprotocol.com\/underground\/ps4-tuto-linux-sur-votre-ps4\/\" target=\"_blank\" rel=\"noopener noreferrer\">lancement de Linux<\/a>, <a href=\"https:\/\/www.customprotocol.com\/underground\/ps4-dev-menu-enfin-accessible-merci-dlclose\/\" target=\"_blank\" rel=\"noopener noreferrer\">acc\u00e8s au <em>dev menu<\/em><\/a>...<\/p>\n<p style=\"text-align: justify;\">Bref, \u00e7a bouge beaucoup c\u00f4t\u00e9 PS4... Bien plus que c\u00f4t\u00e9 Vita... Quand on sait que \"Vita\" veut dire existence\/vie en latin...&nbsp;:'(<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le 3.50 sera-t-il le nouveau firmware pr\u00e9f\u00e9r\u00e9 des hackers&#8239;?<\/p>\n","protected":false},"author":481,"featured_media":10325,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4,29,12,30],"tags":[],"plateformes":[1014],"genres":[1105,1741,2464,872,873,1740],"developpeurs":[2143],"editeurs":[],"types":[1126,864],"sources":[2465],"class_list":["post-10324","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","category-news-underground","category-top","category-underground","plateformes-ps4","genres-exploit-webkit","genres-exploit-webkit-pour-ps4","genres-exploit-webkit-ps4-3-50","genres-exploits","genres-exploits-kernel","genres-exploits-ps4","developpeurs-qwertyoruiop","types-hack-ps4","types-news","sources-httpwololo-net20160520rumor-ps4-webkit-exploit-3-50-incoming"],"yoast_head":"\n<title>Un exploit webkit PS4 d\u00e9couvert sur le 3.50 ? 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