{"id":106915,"date":"2023-07-11T13:50:00","date_gmt":"2023-07-11T13:50:00","guid":{"rendered":"https:\/\/fr.cryptonews.com\/?p=119316"},"modified":"2023-07-11T17:02:08","modified_gmt":"2023-07-11T17:02:08","slug":"arbitrum-rodeo-finance-pirate-plus-800000-dollars","status":"publish","type":"post","link":"https:\/\/cryptonews.com\/fr\/news\/arbitrum-rodeo-finance-pirate-plus-800000-dollars\/","title":{"rendered":"Arbitrum : Rodeo Finance a \u00e9t\u00e9 pirat\u00e9 pour plus de 800.000 dollars"},"content":{"rendered":"<figure class=\"image\"><img decoding=\"async\" src=\"https:\/\/cimg.co\/news\/119316\/317304\/rodeo-finance-hack.jpeg\" srcset=\"https:\/\/cimg.co\/news\/119316\/317304\/responsive-images\/rodeo-finance-hack___media_library_original_1260_630.jpeg 1260w, https:\/\/cimg.co\/news\/119316\/317304\/responsive-images\/rodeo-finance-hack___media_library_original_1200_600.jpeg 1200w, https:\/\/cimg.co\/news\/119316\/317304\/responsive-images\/rodeo-finance-hack___media_library_original_900_450.jpeg 900w, https:\/\/cimg.co\/news\/119316\/317304\/responsive-images\/rodeo-finance-hack___media_library_original_720_360.jpeg 720w, https:\/\/cimg.co\/news\/119316\/317304\/responsive-images\/rodeo-finance-hack___media_library_original_600_300.jpeg 600w, https:\/\/cimg.co\/news\/119316\/317304\/responsive-images\/rodeo-finance-hack___media_library_original_300_150.jpeg 300w\" width=\"1260\" class=\"content-img\" alt=\"\"><\/figure><p class=\"wp-block-paragraph\">Rodeo Finance, un protocole de <i>yield farming<\/i> sur le r&eacute;seau Arbitrum, a &eacute;t&eacute; la cible d&rsquo;un hack significatif, mettant en lumi&egrave;re les d&eacute;fis auxquels sont confront&eacute;s les acteurs de la DeFi.<\/p><h2>Description de l&rsquo;incident&nbsp;<\/h2><span class=\"replacer\"><\/span><p>Rodeo Finance, une plateforme de <a href=\"https:\/\/cryptonews.com\/fr\/news\/defi-news\/\"><u>DeFi<\/u><\/a> populaire, a subi une exploitation majeure qui a entra&icirc;n&eacute; la <strong>perte d&rsquo;environ 472 ETH, soit l&rsquo;&eacute;quivalent de 888.000 dollars<\/strong>. L&rsquo;incident a &eacute;t&eacute; r&eacute;v&eacute;l&eacute; par PeckShield, une entreprise de s&eacute;curit&eacute; blockchain renomm&eacute;e.&nbsp;<\/p><figure class=\"media\"><oembed url=\"https:\/\/twitter.com\/PeckShieldAlert\/status\/1678683010802270215?s=20\"><\/oembed><\/figure><p>L&rsquo;exploitant a r&eacute;ussi &agrave; transf&eacute;rer les fonds vol&eacute;s de Arbitrum (layer 2 d&rsquo;ETH), vers le r&eacute;seau principal d&rsquo;Ethereum. Il a ensuite <strong>ex&eacute;cut&eacute; une s&eacute;rie de transactions complexes pour dissimuler l&rsquo;origine des fonds vol&eacute;s.<\/strong><\/p><h2>Analyse de l&rsquo;exploitation<\/h2><span class=\"replacer\"><\/span><p>L&rsquo;exploitation de Rodeo Finance a &eacute;t&eacute; r&eacute;alis&eacute;e par une <strong>technique connue sous le nom de manipulation d&rsquo;oracle<\/strong>. Dans le domaine de la DeFi, un oracle est un interm&eacute;diaire qui fournit des donn&eacute;es du monde r&eacute;el aux contrats intelligents sur la blockchain. Les oracles sont essentiels pour le fonctionnement de nombreux protocoles DeFi, car <strong>ils permettent &agrave; ces protocoles d&rsquo;interagir avec des informations qui ne sont pas nativement accessibles sur la blockchain.<\/strong>&nbsp;<\/p><p>Dans le cas de Rodeo Finance, l&rsquo;attaquant a manipul&eacute; l&rsquo;oracle pour tromper le protocole en lui faisant croire que le prix d&rsquo;un certain actif &eacute;tait diff&eacute;rent de sa valeur r&eacute;elle. Plus pr&eacute;cis&eacute;ment, l&rsquo;attaquant a <strong>exploit&eacute; une faille dans la fonction \u00ab\u00a0Investor.earn()\u00a0\u00bb de Rodeo Finance<\/strong>, qui a &eacute;t&eacute; con&ccedil;ue pour &eacute;changer des USDC contre du Wrapped Ether (WETH) et ensuite contre un autre token de staking liquide appel&eacute; unshETH. <strong>L&rsquo;oracle d&eacute;fectueux a signal&eacute; le prix de unshETH &agrave; 4219 $, alors que sa valeur r&eacute;elle par rapport au WETH aurait d&ucirc; &ecirc;tre d&rsquo;environ 1880 $.<\/strong> Cette divergence a permis &agrave; l&rsquo;attaquant de manipuler les transactions pour r&eacute;aliser un profit.<\/p><h2>Cons&eacute;quences du hack<\/h2><span class=\"replacer\"><\/span><p>L&rsquo;exploitation a eu un impact significatif sur le token RDO de Rodeo Finance, qui a <strong>subi une chute de plus de 50%.<\/strong><\/p><p><img decoding=\"async\" src=\"https:\/\/cimg.co\/p\/no_image.svg\" width=\"1711\" class=\"content-img lazyload\" alt=\"\" data-src=\"https:\/\/cimg.co\/news\/119316\/317306\/img-2254.jpeg\" data-srcset=\"https:\/\/cimg.co\/news\/119316\/317306\/responsive-images\/img-2254___media_library_original_1711_1870.jpeg 1711w, https:\/\/cimg.co\/news\/119316\/317306\/responsive-images\/img-2254___media_library_original_1200_1312.jpeg 1200w, https:\/\/cimg.co\/news\/119316\/317306\/responsive-images\/img-2254___media_library_original_900_984.jpeg 900w, https:\/\/cimg.co\/news\/119316\/317306\/responsive-images\/img-2254___media_library_original_720_787.jpeg 720w, https:\/\/cimg.co\/news\/119316\/317306\/responsive-images\/img-2254___media_library_original_600_656.jpeg 600w, https:\/\/cimg.co\/news\/119316\/317306\/responsive-images\/img-2254___media_library_original_300_328.jpeg 300w\">&nbsp;<\/p><p>Cela a eu des r&eacute;percussions non seulement sur les d&eacute;tenteurs de tokens RDO, mais aussi sur la perception de la s&eacute;curit&eacute; de la plateforme par la communaut&eacute; crypto dans son ensemble.&nbsp;<\/p><p>En outre, l&rsquo;incident a mis en &eacute;vidence <strong>la n&eacute;cessit&eacute; pour les &eacute;quipes de projet de communiquer de mani&egrave;re transparente et rapide en cas d&rsquo;incident de s&eacute;curit&eacute;.<\/strong> &Agrave; ce jour, l&rsquo;&eacute;quipe de <a href=\"https:\/\/twitter.com\/Rodeo_Finance?ref_src=twsrc%5Egoogle%7Ctwcamp%5Eserp%7Ctwgr%5Eauthor\"><u>Rodeo Finance<\/u><\/a> n&rsquo;a pas encore publi&eacute; de d&eacute;claration officielle concernant l&rsquo;incident, ce qui a suscit&eacute; des critiques de la part de certains membres de la communaut&eacute;. <strong>Une communication claire et transparente est essentielle pour maintenir la confiance des utilisateurs<\/strong> et pour assurer que les mesures appropri&eacute;es sont prises pour pr&eacute;venir de futurs incidents.&nbsp;<\/p><h2>Les d&eacute;fis de s&eacute;curit&eacute; dans l&rsquo;&eacute;cosyst&egrave;me DeFi<\/h2><span class=\"replacer\"><\/span><p>L&rsquo;exploitation de Rodeo Finance n&rsquo;est pas un incident isol&eacute;. Au cours des derniers mois, <strong>plusieurs protocoles DeFi op&eacute;rant sur <\/strong><a href=\"https:\/\/www.google.fr\/url?sa=t&amp;rct=j&amp;q=&amp;esrc=s&amp;source=web&amp;cd=&amp;ved=2ahUKEwjmop6m5YaAAxWwU6QEHQ_6C-IQFnoECAQQAQ&amp;url=https%3A%2F%2Ffr.cryptonews.com%2Fnews%2Fprojet-the-graph-migre-arbitrum-developper-scalabilite\/&amp;usg=AOvVaw3PXqKf9sv5C86A71tiP1SU&amp;opi=89978449\"><strong><u>Arbitrum<\/u><\/strong><\/a><strong> ont subi des atteintes &agrave; la s&eacute;curit&eacute;.<\/strong><\/p><figure class=\"image\"><img decoding=\"async\" src=\"https:\/\/cimg.co\/p\/no_image.svg\" width=\"2668\" class=\"content-img lazyload\" alt=\"\" data-src=\"https:\/\/cimg.co\/news\/119316\/317305\/img-2255.jpeg\" data-srcset=\"https:\/\/cimg.co\/news\/119316\/317305\/responsive-images\/img-2255___media_library_original_2668_2033.jpeg 2668w, https:\/\/cimg.co\/news\/119316\/317305\/responsive-images\/img-2255___media_library_original_1200_914.jpeg 1200w, https:\/\/cimg.co\/news\/119316\/317305\/responsive-images\/img-2255___media_library_original_900_686.jpeg 900w, https:\/\/cimg.co\/news\/119316\/317305\/responsive-images\/img-2255___media_library_original_720_549.jpeg 720w, https:\/\/cimg.co\/news\/119316\/317305\/responsive-images\/img-2255___media_library_original_600_457.jpeg 600w, https:\/\/cimg.co\/news\/119316\/317305\/responsive-images\/img-2255___media_library_original_300_229.jpeg 300w\"><\/figure><p>L&rsquo;exploitation de Rodeo Finance sert de <strong>rappel des risques associ&eacute;s &agrave; l&rsquo;engagement dans les plateformes DeFi et de la n&eacute;cessit&eacute; d&rsquo;am&eacute;liorations continues des pratiques de s&eacute;curit&eacute; dans l&rsquo;industrie.<\/strong> Il est essentiel pour les &eacute;quipes de projet et les utilisateurs de rester vigilants, de mettre en &oelig;uvre des mesures de s&eacute;curit&eacute; robustes et de mener des audits approfondis pour se pr&eacute;munir contre de tels incidents.&nbsp;<\/p><p>Source&nbsp;: <a href=\"https:\/\/twitter.com\/PeckShieldAlert\/status\/1678683010802270215?s=20\"><u>PeckShield<\/u><\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Rodeo Finance, un protocole de yield farming sur le r&eacute;seau Arbitrum, a &eacute;t&eacute; la cible d&rsquo;un hack significatif, mettant en lumi&egrave;re les d&eacute;fis auxquels sont confront&eacute;s les acteurs de la DeFi.Description de l&rsquo;incident&nbsp;Rodeo Finance, une plateforme de DeFi populaire, a subi une exploitation majeure qui a entra&icirc;n&eacute; la perte d&rsquo;environ 472 ETH, soit l&rsquo;&eacute;quivalent de [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[10,1],"tags":[],"editors":[2089],"sponsored_companies":[],"class_list":["post-106915","post","type-post","status-publish","format-standard","hentry","category-defi-news","category-news","editors-benoit-de-jessey"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Arbitrum : Rodeo Finance a \u00e9t\u00e9 pirat\u00e9 pour plus de 800.000 dollars<\/title>\n<meta name=\"description\" content=\"Rodeo Finance, protocole de DeFi live depuis le 5 Juillet, vient de subir un hack.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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