{"id":67878,"date":"2021-12-29T10:48:00","date_gmt":"2021-12-29T10:48:00","guid":{"rendered":"https:\/\/fr.cryptonews.com\/?p=67878"},"modified":"2023-06-26T11:07:51","modified_gmt":"2023-06-26T11:07:51","slug":"polygon-justifies-its-quiet-hard-fork-citing-critical-vulnerability-fr","status":"publish","type":"post","link":"https:\/\/cryptonews.com\/fr\/news\/polygon-justifies-its-quiet-hard-fork-citing-critical-vulnerability-fr\/","title":{"rendered":"Polygon justifie le silence autour de son &#8220;hard fork&#8221; en invoquant une vuln\u00e9rabilit\u00e9 critique"},"content":{"rendered":"<p>Au d&eacute;but du mois, la solution populaire de couche 2 d&#8217;Ethereum (ETH), <strong>Polygon<\/strong> (MATIC), a effectu&eacute; un hard fork, sans annonce ou explication officielle. 24 jours plus tard, l&rsquo;&eacute;quipe a <a target=\"_blank\" rel=\"noopener \" href=\"https:\/\/medium.com\/immunefi\/polygon-lack-of-balance-check-bugfix-postmortem-2-2m-bounty-64ec66c24c7d\">justifi&eacute;<\/a> ses actions dans un communiqu&eacute; &ldquo;postmortem&rdquo;, citant une vuln&eacute;rabilit&eacute; critique qui aurait pu vider le r&eacute;seau de 9,3 milliards MATIC (23,56 milliards USD au taux actuel).<\/p><figure class=\"image\"><img decoding=\"async\" src=\"https:\/\/cimg.co\/news\/67872\/52659\/adobestock-dennis-1-1.jpg\" alt=\"\" srcset=\"https:\/\/cimg.co\/news\/67872\/52659\/responsive-images\/adobestock-dennis-1-1___media_library_original_1200_800.jpg 1200w, https:\/\/cimg.co\/news\/67872\/52659\/responsive-images\/adobestock-dennis-1-1___media_library_original_900_600.jpg 900w, https:\/\/cimg.co\/news\/67872\/52659\/responsive-images\/adobestock-dennis-1-1___media_library_original_720_480.jpg 720w, https:\/\/cimg.co\/news\/67872\/52659\/responsive-images\/adobestock-dennis-1-1___media_library_original_600_400.jpg 600w, https:\/\/cimg.co\/news\/67872\/52659\/responsive-images\/adobestock-dennis-1-1___media_library_original_300_200.jpg 300w\" sizes=\"100vw\" width=\"1200\" class=\"content-img\"><figcaption>Source: AdobeStock \/ Dennis<\/figcaption><\/figure><p>&#8220;Compte tenu de la nature de cette mise &agrave; niveau, elle devait &ecirc;tre ex&eacute;cut&eacute;e sans divulguer la vuln&eacute;rabilit&eacute; r&eacute;elle et sans attirer l&#8217;attention&#8221;, a <a target=\"_blank\" rel=\"noopener \" href=\"https:\/\/blog.polygon.technology\/author\/jaynti-kanani\/\">d&eacute;clar&eacute;<\/a> <strong>Jaynti Kanani<\/strong>, cofondateur et PDG de Polygon. Il a ajout&eacute; qu&#8217;ils s&rsquo;effor&ccedil;aient de suivre la politique des &#8220;correctifs silencieux&#8221;.<\/p><div class=\"raw-html-embed\"><blockquote class=\"twitter-tweet\" data-conversation=\"none\"><p dir=\"ltr\" lang=\"en\">Next time it happens can you at least announce a critical update to all Polygon node operators. Now this looks super unprofessional and confusing for the community. It was not mentioned or pinned down in any major channels or publications.<a href=\"https:\/\/t.co\/naAFRIEEfS\">https:\/\/t.co\/naAFRIEEfS<\/a><\/p>&mdash; Mikko Ohtamaa &#128046; (@moo9000) <a href=\"https:\/\/twitter.com\/moo9000\/status\/1471163389242138630?ref_src=twsrc%5Etfw\">December 15, 2021<\/a><\/blockquote> <\/div><p>L&rsquo;&eacute;quipe de Polygon a donn&eacute; plus de d&eacute;tails sur l&#8217;incident : un hacker &ldquo;whitehat&rdquo; nomm&eacute; Leon Spacewalker a signal&eacute; la vuln&eacute;rabilit&eacute; le 3 d&eacute;cembre. &Agrave; la suite de ce rapport, en coordination avec <strong>Immunefi<\/strong>, une importante plateforme de primes aux bugs pour les projets de finance d&eacute;centralis&eacute;e (DeFi), l&#8217;&eacute;quipe a enqu&ecirc;t&eacute; sur l&#8217;activit&eacute; de la blockchain, valid&eacute; un correctif et proc&eacute;d&eacute; au hard fork le 5 d&eacute;cembre.&nbsp;<\/p><blockquote><p>&#8220;Les communaut&eacute;s de validateurs et de n&oelig;uds complets ont &eacute;t&eacute; inform&eacute;es et se sont ralli&eacute;es aux principaux d&eacute;veloppeurs pour mettre &agrave; niveau le r&eacute;seau. La mise &agrave; niveau a &eacute;t&eacute; ex&eacute;cut&eacute;e dans les 24 heures, au bloc #22156660, le 5 d&eacute;cembre&#8221;, a d&eacute;clar&eacute; Kanani.<\/p><\/blockquote><p>&Agrave; la mi-d&eacute;cembre, plusieurs membres de la communaut&eacute; Polygon se sont rendus sur Twitter pour exprimer leur frustration et leur incompr&eacute;hension face &agrave; cette mise &agrave; jour, demandant &agrave; l&#8217;&eacute;quipe des explications. Consid&eacute;rant que Polygon, actuellement class&eacute; 14 en termes de capitalisation boursi&egrave;re, n&#8217;est pas un obscur projet crypto, le hard fork soudain a inqui&eacute;t&eacute; certains.<\/p><p>&#8220;Sommes-nous tous cens&eacute;s nous taire et oublier le fait qu&#8217;il y a plus d&#8217;une semaine Polygon a hard-fork&eacute; sa blockchain au milieu de la nuit sans aucun avertissement et n&#8217;a toujours pas v&eacute;rifi&eacute; le code ou expliqu&eacute; ce qui se passe ?&#8221;, a <a target=\"_blank\" rel=\"noopener \" href=\"https:\/\/twitter.com\/NathanWorsley_\/status\/1471097609486016512\">d&eacute;clar&eacute;<\/a> un utilisateur.<\/p><p>En r&eacute;ponse, le cofondateur de Polygon, <strong>Mihailo Bjelic<\/strong>, avait d&eacute;clar&eacute; que le hard fork impr&eacute;vu &eacute;tait d&ucirc; &agrave; &#8220;une vuln&eacute;rabilit&eacute; dans l&#8217;un des contrats r&eacute;cemment v&eacute;rifi&eacute;s&#8221;, sans donner d&#8217;autres d&eacute;tails.<\/p><p>Apparemment, tous les op&eacute;rateurs de n&oelig;uds de Polygon, charg&eacute;s de faire fonctionner le logiciel du r&eacute;seau, n&#8217;&eacute;taient pas au courant de l&rsquo;&eacute;v&egrave;nement, car certains se seraient r&eacute;veill&eacute;s avec leurs n&oelig;uds d&eacute;connect&eacute;s.<\/p><figure class=\"media\"><oembed url=\"https:\/\/twitter.com\/moo9000\/status\/1471163389242138630\"><\/oembed><\/figure><p>L&rsquo;&eacute;quipe a l&#8217;intention de verser une prime de 2,2 millions de dollars en stablecoins au whitehat Spacewalker, et une autre prime de 500 000 MATIC (1,2 million de dollars) au &#8220;Whitehat2&#8221;, qui avait &#8220;soumis un rapport le 4 d&eacute;cembre faisant r&eacute;f&eacute;rence &agrave; la m&ecirc;me vuln&eacute;rabilit&eacute;.&#8221;<\/p><p>Si l&#8217;&eacute;quipe a r&eacute;ussi &agrave; emp&ecirc;cher ce qui aurait pu &ecirc;tre le plus grand exploit de l&#8217;histoire de la DeFi, certains acteurs malveillants ont exploit&eacute; la vuln&eacute;rabilit&eacute; avant la mise &agrave; jour et se sont empar&eacute;s d&#8217;une partie des fonds des utilisateurs.<\/p><p>&#8220;En outre, un blackhat &#8211; ou un ensemble de blackhats &#8211; a r&eacute;ussi &agrave; voler 801 601 jetons MATIC en utilisant le m&ecirc;me exploit avant que le correctif ne soit mis en &oelig;uvre&#8221;, a d&eacute;clar&eacute; Polygon. Ces jetons valent actuellement plus de 2 millions de dollars.<\/p><p>&Agrave; l&#8217;heure actuelle, la premi&egrave;re place du plus grand <a target=\"_blank\" rel=\"noopener \" href=\"https:\/\/cryptonews.com\/fr\/news\/poly-network-exploiter-starts-returning-the-funds-gives-back-11737\/\">piratage<\/a> de l&#8217;histoire de la DeFi revient &agrave; <strong>Poly Network<\/strong>, qui a <a target=\"_blank\" rel=\"noopener \" href=\"https:\/\/cryptonews.com\/news\/poly-network-got-robbed-of-more-than-usd-600m-11382\/\">perdu<\/a> plus de 600 millions de dollars lors d&#8217;une attaque en ao&ucirc;t dernier.<\/p><p>_______________________<\/p><p>Suivez nos liens d&#8217;affili&eacute;s:<\/p><p><strong>Pour acheter des cryptomonnaies en Zone SEPA, Europe et citoyens fran&ccedil;ais<\/strong>, visitez <a target=\"_blank\" rel=\"noopener \" href=\"https:\/\/www.coinhouse.com\/r\/179207\">Coinhouse<\/a>&nbsp;<\/p><p><strong>Pour acheter des cryptomonnaies au Canada<\/strong>, visitez <a target=\"_blank\" rel=\"noopener \" href=\"https:\/\/go.bitbuy.tech\/aff_c?offer_id=3&amp;aff_id=1009&amp;source=FR\">Bitbuy<\/a><\/p><p><strong>Pour g&eacute;n&eacute;rer des int&eacute;r&ecirc;ts gr&acirc;ce &agrave; vos bitcoins<\/strong>, allez sur le site de <a target=\"_blank\" rel=\"noopener \" href=\"https:\/\/blockfi.mxuy67.net\/kqG6x\">BlockFi<\/a><\/p><p><strong>Pour s&eacute;curiser ou stocker vos cryptomonnaies<\/strong>, procurez-vous les portefeuilles <a target=\"_blank\" rel=\"noopener \" href=\"https:\/\/shop.ledger.com\/?r=12b53b98a1c0&amp;tracker=CN-FR\">Ledger<\/a> ou <a target=\"_blank\" rel=\"noopener \" href=\"https:\/\/shop.trezor.io\/?offer_id=82&amp;aff_id=1814\">Trezor<\/a><\/p><p><strong>Pour transiger vos cryptos de fa&ccedil;on anonyme<\/strong>, installez l&#8217;application <a target=\"_blank\" rel=\"noopener \" href=\"https:\/\/go.nordvpn.net\/aff_c?offer_id=252&amp;aff_id=54152&amp;url_id=14818\">NordVPN<\/a><\/p><p><strong>Pour investir dans le minage ou les masternodes :<\/strong><\/p><ul><li>Sur <a target=\"_blank\" rel=\"noopener \" href=\"https:\/\/feel-mining.com\/?tracking=1ED831AFAB\">Feel Mining<\/a><\/li><li>Sur <a target=\"_blank\" rel=\"noopener \" href=\"https:\/\/www.just-mining.com\/register?sponsor=aNJ7nRa0m3qvgi6LkMXAZX506\">Just Mining<\/a><\/li><\/ul><p><strong>Pour accumuler des cryptos en jouant :<\/strong><\/p><ul><li>Au poker sur la plateforme de jeux <a target=\"_blank\" rel=\"noopener \" href=\"https:\/\/coinpoker.com\/crypto\">CoinPoker<\/a><\/li><li>&Agrave; un fantasy football mondial sur la plateforme <a target=\"_blank\" rel=\"noopener \" href=\"https:\/\/sorare.pxf.io\/c\/2102999\/902742\/12209\">Sorare<\/a><\/li><\/ul><p>________________<\/p><p>Voici les sources d&rsquo;informations qu&rsquo;on vous propose:<\/p><p><strong>Notre newsletter hebdomadaire gratuite: <\/strong><a target=\"_blank\" rel=\"noopener \" href=\"https:\/\/www.getrevue.co\/profile\/CryptonewsFR\"><strong>https:\/\/www.getrevue.co\/profile\/CryptonewsFR<\/strong><\/a><\/p><p><strong>Twitter: <\/strong><a target=\"_blank\" rel=\"noopener \" href=\"https:\/\/twitter.com\/cryptonews_FR\"><strong>https:\/\/twitter.com\/cryptonews_FR<\/strong><\/a><\/p><p><strong>Telegram: <\/strong><a target=\"_blank\" rel=\"noopener \" href=\"https:\/\/t.me\/cryptonews_FR\"><strong>https:\/\/t.me\/cryptonews_FR<\/strong><\/a><\/p><p><strong>LinkedIn: <\/strong><a target=\"_blank\" rel=\"noopener \" href=\"https:\/\/www.linkedin.com\/company\/11745115\"><strong>https:\/\/www.linkedin.com\/company\/11745115<\/strong><\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Au d&eacute;but du mois, la solution populaire de couche 2 d&#8217;Ethereum (ETH), Polygon (MATIC), a effectu&eacute; un hard fork, sans annonce ou explication officielle. 24 jours plus tard, l&rsquo;&eacute;quipe a justifi&eacute; ses actions dans un communiqu&eacute; &ldquo;postmortem&rdquo;, citant une vuln&eacute;rabilit&eacute; critique qui aurait pu vider le r&eacute;seau de 9,3 milliards MATIC (23,56 milliards USD au [&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":[8,1],"tags":[48],"editors":[2550],"sponsored_companies":[],"class_list":["post-67878","post","type-post","status-publish","format-standard","hentry","category-altcoin-news","category-news","tag-piratage","editors-jurgen-hoffman"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Polygon : un hard fork sans l&#039;accord de la communaut\u00e9<\/title>\n<meta name=\"description\" content=\"Suite au hard fork d\u00e9ploy\u00e9 sur Polygon sans informer la communaut\u00e9 au d\u00e9but de ce mois, l&#039;\u00e9quipe 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