{"id":107656,"date":"2023-08-28T12:43:00","date_gmt":"2023-08-28T12:43:00","guid":{"rendered":"https:\/\/fr.cryptonews.com\/?p=123555"},"modified":"2023-08-28T12:43:00","modified_gmt":"2023-08-28T12:43:00","slug":"balancer-pirate-900-000-dollars-quelques-jours-apres-avoir-annonce-faille","status":"publish","type":"post","link":"https:\/\/cryptonews.com\/fr\/news\/balancer-pirate-900-000-dollars-quelques-jours-apres-avoir-annonce-faille\/","title":{"rendered":"Balancer a \u00e9t\u00e9 pirat\u00e9 pour 900 000 dollars quelques jours apr\u00e8s avoir annonc\u00e9 une faille"},"content":{"rendered":"<figure class=\"image\"><img decoding=\"async\" src=\"https:\/\/cimg.co\/news\/123555\/326700\/capture-decran-2023-08-28.jpg\" alt=\"\" srcset=\"https:\/\/cimg.co\/news\/123555\/326700\/responsive-images\/capture-decran-2023-08-28___media_library_original_1000_508.jpg 1000w, https:\/\/cimg.co\/news\/123555\/326700\/responsive-images\/capture-decran-2023-08-28___media_library_original_900_457.jpg 900w, https:\/\/cimg.co\/news\/123555\/326700\/responsive-images\/capture-decran-2023-08-28___media_library_original_720_366.jpg 720w, https:\/\/cimg.co\/news\/123555\/326700\/responsive-images\/capture-decran-2023-08-28___media_library_original_600_305.jpg 600w, https:\/\/cimg.co\/news\/123555\/326700\/responsive-images\/capture-decran-2023-08-28___media_library_original_300_152.jpg 300w\" sizes=\"100vw\" width=\"1000\" class=\"content-img\"><\/figure><p class=\"wp-block-paragraph\"><strong>Balancer<\/strong>, le protocole de finance d&eacute;centralis&eacute;e (DeFi) bas&eacute; sur Ethereum a &eacute;t&eacute; victime d&rsquo;un exploit qui a entra&icirc;n&eacute; la <strong>perte de pr&egrave;s de 900 000 $<\/strong>. L&rsquo;attaque s&rsquo;est produite quelques jours apr&egrave;s que Balancer a r&eacute;v&eacute;l&eacute; l&rsquo;existence d&rsquo;une faille de s&eacute;curit&eacute; au niveau de ses pools de liquidit&eacute;s.<\/p><h2><strong>Le contexte : menaces sur la s&eacute;curit&eacute; des pools de liquidit&eacute; de Balancer<\/strong><\/h2><span class=\"replacer\"><\/span><p>Dans un post publi&eacute; le 22 ao&ucirc;t dernier sur X\/Twitter, l&rsquo;&eacute;quipe de Balancer avait annonc&eacute; qu&rsquo;une <a href=\"https:\/\/cryptonews.com\/fr\/news\/balancer-declare-2-8-millions-dollars-toujours-danger\/\"><u>vuln&eacute;rabilit&eacute; critique<\/u><\/a> avait &eacute;t&eacute; d&eacute;couverte dans pr&egrave;s d&rsquo;une centaine de pools de liquidit&eacute;s &agrave; travers huit blockchains. Des mesures avaient &eacute;t&eacute; prises pour att&eacute;nuer les risques et Balancer avait conseill&eacute; &agrave; ses utilisateurs de retirer leurs fonds. Cependant, <strong>malgr&eacute; la mise en oeuvre de ces mesures, une infime partie des fonds n&rsquo;avait pas pu &ecirc;tre s&eacute;curis&eacute;e<\/strong>.&nbsp;<\/p><p>Selon les estimations de Balancer, le 24 ao&ucirc;t, 98,7% de la liquidit&eacute; &eacute;tait consid&eacute;r&eacute;e comme hors de danger : pr&egrave;s de 2,8 millions de dollars (qui repr&eacute;sentaient alors 0,42% de la valeur totale bloqu&eacute;e) n&rsquo;avaient pas pu &ecirc;tre s&eacute;curis&eacute;s. Le jour suivant, Balancer aurait &eacute;t&eacute; en mesure de s&eacute;curiser 99,7 % des liquidit&eacute;s. 0,08 % de la TVL totale, soit 565&nbsp;199 $, restait &agrave; risque.<\/p><div class=\"raw-html-embed\"><blockquote class=\"twitter-tweet\"><p lang=\"en\" dir=\"ltr\">Balancer is aware of an exploit related to the vulnerability below.<br><br>Mitigation procedures have drastically reduced risks, but are unable to pause affected pools.<br><br>To prevent further exploits, users must withdraw from affected LPs.<a href=\"https:\/\/t.co\/PDzX32gqeS\">https:\/\/t.co\/PDzX32gqeS<\/a> <a href=\"https:\/\/t.co\/b4CSqVFbDg\">https:\/\/t.co\/b4CSqVFbDg<\/a><\/p>&mdash; Balancer (@Balancer) <a href=\"https:\/\/twitter.com\/Balancer\/status\/1695777503699435751?ref_src=twsrc%5Etfw\">August 27, 2023<\/a><\/blockquote> <script async=\"\" src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><\/div><h2><strong>Des mouvements de fonds suspects identifi&eacute;s sur la blockchain<\/strong><\/h2><span class=\"replacer\"><\/span><p>L&rsquo;expert en s&eacute;curit&eacute; blockchain <strong>Meier Dolev<\/strong>, qui est &eacute;galement fondateur et directeur technique du cabinet <strong>Cyvers<\/strong>, a &eacute;t&eacute; le premier &agrave; avoir remarqu&eacute; les transactions suspectes. Dolev avait <strong>publi&eacute; les d&eacute;tails de l&rsquo;adresse<\/strong> qui aurait r&eacute;ceptionn&eacute; les fonds issus de cet exploit. L&rsquo;adresse a re&ccedil;u deux transferts en stablecoin DAI d&rsquo;une valeur respective de 636 812 $ et 257 527 $, portant son solde total &agrave; plus de 893 978 $. Sur X, Balancer avait annonc&eacute; avoir pris connaissance de l&rsquo;incident li&eacute; &agrave; cette vuln&eacute;rabilit&eacute;. Encore une fois, il a recommand&eacute; aux utilisateurs de se retirer des pools concern&eacute;s.<\/p><div class=\"raw-html-embed\"><blockquote class=\"twitter-tweet\"><p lang=\"en\" dir=\"ltr\">The attacker continues with his operation, approx $900K affected, more than $600K moved to this address<br>0xB23711b9D92C0f1c7b211c4E2DC69791c2df38c1 <a href=\"https:\/\/t.co\/inNqH4zel2\">pic.twitter.com\/inNqH4zel2<\/a><\/p>&mdash; Meir Dolev (@Meir_Dv) <a href=\"https:\/\/twitter.com\/Meir_Dv\/status\/1695786374186549540?ref_src=twsrc%5Etfw\">August 27, 2023<\/a><\/blockquote> <script async=\"\" src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><\/div><p>Cet incident intervient alors que le secteur de la <a href=\"https:\/\/cryptonews.com\/fr\/news\/204-millions-de-dollars-perdus-suite-a-des-hacks-et-des-escroqueries-dans-la-defi-au-deuxieme-trimestre\/\" rel=\"nofollow\">DeFi<\/a> continue d&rsquo;&ecirc;tre vis&eacute; par de nombreux piratages. La base de donn&eacute;es Rekt con&ccedil;ue par <strong>De.Fi<\/strong> montre que le secteur a enregistr&eacute; <strong>389,82 millions de dollars de pertes li&eacute;es aux piratages et aux exploits en juillet<\/strong>, ce qui constitue le <strong>niveau de pertes le plus &eacute;lev&eacute; pour cette ann&eacute;e<\/strong>. Les efforts de r&eacute;cup&eacute;ration de fonds ont &eacute;t&eacute; largement insuffisants. 7&nbsp;630&nbsp;757 dollars seulement ont pu &ecirc;tre r&eacute;cup&eacute;r&eacute;s sur l&rsquo;ensemble des fonds vol&eacute;s. <a href=\"https:\/\/cryptonews.com\/fr\/news\/nouveau-hack-plus-3-millions-protocole-ethereum\/\" rel=\"nofollow\">Ethereum<\/a> a &eacute;t&eacute; la blockchain victime de pertes les plus &eacute;lev&eacute;es suivie par Binance Chain. Selon les analystes de De.Fi, <strong>cela met en &eacute;vidence les d&eacute;fis persistants auxquels le secteur financier &eacute;mergent est confront&eacute;<\/strong>, surtout en cette p&eacute;riode de plus grand d&eacute;veloppement et d&rsquo;int&eacute;r&ecirc;t.<\/p><p><i>Sources : <\/i><a href=\"https:\/\/twitter.com\/Balancer?s=20\"><i><u>Balancer Twitter<\/u><\/i><\/a><i>, <\/i><a href=\"https:\/\/de.fi\/blog\/de-fi-rekt-report-486m-funds-lost-in-july-2023-top-defi-scams-and-exploits\"><i><u>De.Fi<\/u><\/i><\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Balancer, le protocole de finance d&eacute;centralis&eacute;e (DeFi) bas&eacute; sur Ethereum a &eacute;t&eacute; victime d&rsquo;un exploit qui a entra&icirc;n&eacute; la perte de pr&egrave;s de 900 000 $. L&rsquo;attaque s&rsquo;est produite quelques jours apr&egrave;s que Balancer a r&eacute;v&eacute;l&eacute; l&rsquo;existence d&rsquo;une faille de s&eacute;curit&eacute; au niveau de ses pools de liquidit&eacute;s.Le contexte : menaces sur la s&eacute;curit&eacute; des [&hellip;]<\/p>\n","protected":false},"author":35,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[10,1],"tags":[266,48],"editors":[2112],"sponsored_companies":[],"class_list":["post-107656","post","type-post","status-publish","format-standard","hentry","category-defi-news","category-news","tag-defi","tag-piratage","editors-crandria"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Balancer : piratage de 900 000 dollars quelques jours apr\u00e8s avoir annonc\u00e9 une faille<\/title>\n<meta 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