{"id":107217,"date":"2023-07-31T11:14:00","date_gmt":"2023-07-31T11:14:00","guid":{"rendered":"https:\/\/fr.cryptonews.com\/?p=121112"},"modified":"2023-07-31T11:22:18","modified_gmt":"2023-07-31T11:22:18","slug":"comment-47-millions-derobes-curve-finance","status":"publish","type":"post","link":"https:\/\/cryptonews.com\/fr\/news\/comment-47-millions-derobes-curve-finance\/","title":{"rendered":"Comment plus de 47 millions de dollars ont \u00e9t\u00e9 d\u00e9rob\u00e9s sur Curve Finance ?"},"content":{"rendered":"<p class=\"wp-block-paragraph\" style=\"text-align:justify;\"><img decoding=\"async\" src=\"https:\/\/cimg.co\/news\/121112\/320826\/hack-curve-finance.jpg\" srcset=\"https:\/\/cimg.co\/news\/121112\/320826\/responsive-images\/hack-curve-finance___media_library_original_1260_630.jpg 1260w, https:\/\/cimg.co\/news\/121112\/320826\/responsive-images\/hack-curve-finance___media_library_original_1200_600.jpg 1200w, https:\/\/cimg.co\/news\/121112\/320826\/responsive-images\/hack-curve-finance___media_library_original_900_450.jpg 900w, https:\/\/cimg.co\/news\/121112\/320826\/responsive-images\/hack-curve-finance___media_library_original_720_360.jpg 720w, https:\/\/cimg.co\/news\/121112\/320826\/responsive-images\/hack-curve-finance___media_library_original_600_300.jpg 600w, https:\/\/cimg.co\/news\/121112\/320826\/responsive-images\/hack-curve-finance___media_library_original_300_150.jpg 300w\" width=\"1260\" class=\"content-img\" alt=\"\">Le protocole DeFi <strong>Curve Finance<\/strong> a fait l&rsquo;objet d&rsquo;une attaque lui faisant perdre <strong>47 millions de dollars<\/strong>. Plusieurs pools de liquidit&eacute;s utilisant le<strong> langage de programmation Vyper<\/strong> ont subi des attaques de r&eacute;entrance.&nbsp;<\/p><h2>Une d&eacute;faillance de Vyper qui a co&ucirc;t&eacute; tr&egrave;s cher &agrave; Curve Finance<\/h2><span class=\"replacer\"><\/span><p style=\"text-align:justify;\"><strong>Vyper<\/strong> est un compilateur, qui pour faire simple, permet aux <strong>d&eacute;veloppeurs en pythons<\/strong> d&rsquo;utiliser leurs connaissances dans ce langage pour coder sur la <a href=\"https:\/\/cryptonews.com\/fr\/guides\/how-does-ethereum-work\/\">blockchain Ethereum<\/a>. Dans un tweet publi&eacute; suite &agrave; l&rsquo;attaque, la soci&eacute;t&eacute; derri&egrave;re le compilateur reconna&icirc;t que \u00ab\u00a0<strong>les versions 0.2.15, 0.2.16 et 0.3.0 [de Vyper] sont vuln&eacute;rables<\/strong> &agrave; cause d&rsquo;un mauvais fonctionnement des verrous de r&eacute;entrance\u00a0\u00bb.<\/p><figure class=\"media\"><oembed url=\"https:\/\/twitter.com\/vyperlang\/status\/1685692973051498497?ref_src=twsrc%5Etfw%7Ctwcamp%5Etweetembed%7Ctwterm%5E1685693202722848768%7Ctwgr%5Edd3c434ac3051d57603bb112996fdc84f2dc8188%7Ctwcon%5Es3_&amp;ref_url=https%3A%2F%2Fcointelegraph.com%2Fnews%2Fcurve-finance-pools-exploited-over-24-reentrancy-vulnerability\"><\/oembed><\/figure><p>L&rsquo;entreprise ajoute que tous les projets reposant sur ces versions <strong>doivent les contacter<\/strong>.&nbsp;<\/p><p style=\"text-align:justify;\">Une attaque de r&eacute;entrance donc, mais de quoi cela s&rsquo;agit-il r&eacute;ellement ? Tr&egrave;s succinctement, cela correspond &agrave; <strong>l&rsquo;exploitation d&rsquo;une vuln&eacute;rabilit&eacute; au sein des contrats intelligents<\/strong> sur les protocoles blockchain. L&rsquo;attaquant exploite une fonction pour r&eacute;p&eacute;ter des appels avant que le traitement ne soit termin&eacute;, permettant ainsi <strong>des actions inattendues dont des d&eacute;tournements de fonds<\/strong>.&nbsp;<\/p><p style=\"text-align:justify;\">Selon un <a href=\"https:\/\/twitter.com\/CurveFinance\/status\/1685925429041917952?ref_src=twsrc%5Egoogle%7Ctwcamp%5Eserp%7Ctwgr%5Etweet%7Ctwtr%5Etrue\">communiqu&eacute;<\/a> de Curve Finance publi&eacute; dans la journ&eacute;e, <strong>4 pools ont &eacute;t&eacute; affect&eacute;s par l&rsquo;attaque<\/strong> : crv\/eth, aleth\/eth, mseth\/eth et enfin peth\/eth. Un dernier pool, le \u00ab\u00a0arbitrum&rsquo;s tricrypto\u00a0\u00bb pourrait &eacute;galement &ecirc;tre concern&eacute;. Les d&eacute;veloppeurs de chez Vyper n&rsquo;y ont pas trouv&eacute; \u00ab\u00a0d&rsquo;exploitation rentable\u00a0\u00bb mais par mesure de s&eacute;curit&eacute;, il est demand&eacute; &agrave; quiconque de <strong>\u00ab\u00a0quitter le pool\u00a0\u00bb en question<\/strong>.&nbsp;<\/p><p style=\"text-align:justify;\">Bilan provisoire ? <strong>32 millions de dollars<\/strong> perdus confirme le CEO de Curve FInance <strong>Michael Egorov<\/strong>. Un certain nombre d&rsquo;exchange furent &eacute;galement affect&eacute;s par l&rsquo;attaque : <strong>Ellipsis<\/strong> a signal&eacute; que quelques-uns de ses pools &nbsp;stable-BNB ont &eacute;t&eacute; exploit&eacute;s &agrave; l&rsquo;aide d&rsquo;un ancien compilateur Vyper. Le pool alETH-ETH d&rsquo;<strong>Alchemix<\/strong> a &eacute;galement fait l&rsquo;objet d&rsquo;un vol de 13,6 millions de dollars, de m&ecirc;me que &nbsp;pool pETH-ETH de<strong> JPEGd <\/strong>et ses 11,4 millions de dollars perdus ou &nbsp;encore les 1,6 million de dollars d&eacute;rob&eacute;s sur le pool sETH-ETH de<strong> Metronome<\/strong>.<\/p><h2>Curve Finance, un projet qui n&rsquo;est pas au top de sa forme&nbsp;<\/h2><span class=\"replacer\"><\/span><p style=\"text-align:justify;\">La nouvelle s&rsquo;est vite r&eacute;pandue dans l&rsquo;&eacute;cosyst&egrave;me DeFi et une vague de panique s&rsquo;est empar&eacute;e du cours du <strong>utility token Curve DAO (CRV)<\/strong> propos&eacute; par Curve Finance. Selon <a href=\"https:\/\/coinmarketcap.com\/currencies\/curve-dao-token\/\">les donn&eacute;es de CoinMarketCap<\/a>, le token a perdu 5% juste apr&egrave;s le d&eacute;but de la communication de Curve Finance relative &agrave; l&rsquo;attaque. Au moment de l&rsquo;&eacute;criture de cet article, <strong>le prix du CRV a chut&eacute; de pr&egrave;s de 14%<\/strong> par rapport &agrave; ses niveaux avant-attaque.&nbsp;<\/p><p style=\"text-align:justify;\">Le projet a perdu une <strong>grosse part de ces liquidit&eacute;s ces derniers mois.<\/strong> Protocole DeFi ayant pour but de permettre des <strong>&eacute;changes de stablecoins au sein du r&eacute;seau Ethereum<\/strong>, Curve Finance a r&eacute;cemment subi une s&eacute;rie d&rsquo;incidents probl&eacute;matiques. En effet, il y a quelques jours seulement, son omnipool appel&eacute; Conic Finance s&rsquo;est fait d&eacute;rob&eacute;<strong> 3,26 millions de dollars <\/strong><a href=\"https:\/\/cryptonews.com\/fr\/coins\/\"><strong>en ETH<\/strong><\/a>.&nbsp;<\/p><p style=\"text-align:justify;\">Si la <a href=\"https:\/\/cryptonews.com\/fr\/guides\/qu-est-ce-que-la-blockchain\/\">blockchain<\/a> n&rsquo;en n&rsquo;est qu&rsquo;&agrave; ses d&eacute;buts, la&nbsp;<strong> DeFi n&rsquo;en n&rsquo;est qu&rsquo;&agrave; ses balbutiements<\/strong>. Fraudes, arnaques et piratages se multiplient dans cet &eacute;cosyst&egrave;me en pleine croissance. L&rsquo;avenir nous dira s&ucirc;rement si l&rsquo;&eacute;cosyst&egrave;me peut <strong>apprendre de ses erreurs<\/strong>, corriger les failles dans ses protocoles et augmenter sa s&eacute;curit&eacute;.&nbsp;<\/p><p>Source : <a href=\"https:\/\/cointelegraph.com\/news\/curve-finance-pools-exploited-over-24-reentrancy-vulnerability\">Cointelegraph<\/a> , <a href=\"https:\/\/twitter.com\/CurveFinance\/status\/1685925429041917952?ref_src=twsrc%5Egoogle%7Ctwcamp%5Eserp%7Ctwgr%5Etweet%7Ctwtr%5Etrue\">Curve Finance<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Le protocole DeFi Curve Finance a fait l&rsquo;objet d&rsquo;une attaque lui faisant perdre 47 millions de dollars. Plusieurs pools de liquidit&eacute;s utilisant le langage de programmation Vyper ont subi des attaques de r&eacute;entrance.&nbsp;Une d&eacute;faillance de Vyper qui a co&ucirc;t&eacute; tr&egrave;s cher &agrave; Curve FinanceVyper est un compilateur, qui pour faire simple, permet aux d&eacute;veloppeurs en [&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":[2550],"sponsored_companies":[],"class_list":["post-107217","post","type-post","status-publish","format-standard","hentry","category-defi-news","category-news","editors-jurgen-hoffman"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Comment plus de 47 millions de dollars ont \u00e9t\u00e9 d\u00e9rob\u00e9s sur Curve Finance 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