{"id":10860,"date":"2022-03-16T13:53:39","date_gmt":"2022-03-16T13:53:39","guid":{"rendered":"http:\/\/egrowonline.com\/?p=10860"},"modified":"2022-03-16T13:53:39","modified_gmt":"2022-03-16T13:53:39","slug":"unlucky-agave-and-hundred-finance-defi-protocols-exploited-for-11m","status":"publish","type":"post","link":"http:\/\/egrowonline.com\/?p=10860","title":{"rendered":"\u2018Unlucky:\u2019 Agave and Hundred Finance DeFi protocols exploited for $11M"},"content":{"rendered":"<p> <br \/>\n<br \/><img decoding=\"async\" src=\"https:\/\/images.cointelegraph.com\/images\/840_aHR0cHM6Ly9zMy5jb2ludGVsZWdyYXBoLmNvbS91cGxvYWRzLzIwMjItMDMvMDUwMjIxNzgtMzkxMy00N2EwLTgzYWQtMWE0NTg5NWMxZGFkLmpwZw==.jpg\" \/><\/p>\n<div data-v-128018ef=\"\">\n<p>A hacker has <a target=\"_blank\" href=\"https:\/\/blockscout.com\/xdai\/mainnet\/block\/21120284\/transactions\" rel=\"noopener nofollow\">made off<\/a> with approximately $11 million in wrapped ETH (wETH), wrapped BTC (wBTC), Chainlink (<a target=\"_blank\" href=\"https:\/\/cointelegraph.com\/chainlink-price-index\" rel=\"noopener\">LINK<\/a>), USD Coin (<a target=\"_blank\" href=\"https:\/\/cointelegraph.com\/usdc-price-index\" rel=\"noopener\">USDC<\/a>), Gnosis (GNO) and wrapped XDAI (wxDAI) after using a \u201cre-entrancy\u201d attack on decentralized finance (DeFi) lending protocol applications Agave and Hundred Finance.<\/p>\n<p>The attack comes within 24 hours of the news breaking of the Deus Finance exploit, where hackers stole over $3 million in Dai (DAI) and Ether (<a target=\"_blank\" href=\"https:\/\/cointelegraph.com\/ethereum-price\" rel=\"noopener\">ETH<\/a>) from the lending contract platform.<\/p>\n<p>Agave token AGVE dropped by 20% following the attack, according to data from CoinGecko. Hundred Finances token HND fell 3.5% after it announced the exploit. However, it\u2019s since recovered to hit a 24-hour high.<\/p>\n<p>\u201cAgave is currently investigating an exploit on the agave finance protocol,\u201d Agave <a target=\"_blank\" href=\"https:\/\/twitter.com\/Agave_lending\/status\/1503725275917565954\" rel=\"noopener nofollow\">tweeted<\/a> on Tuesday. \u201cWe will update you as soon as we know more.\u201d It noted that contracts have been paused until the situation is resolved.<\/p>\n<p>The Hundred Finance team also <a target=\"_blank\" href=\"https:\/\/twitter.com\/HundredFinance\/status\/1503754916300476420\" rel=\"noopener nofollow\">tweeted<\/a>\u00a0that it was exploited on the Gnosis chain and has paused its markets while pursuing investigations.<\/p>\n<p>According to on-chain analysis, the address <a target=\"_blank\" href=\"https:\/\/etherscan.io\/address\/0x0a16a85be44627c10cee75db06b169c7bc76de2c\" rel=\"noopener nofollow\">associated<\/a> with the attacker has sent over 2,100 ETH, worth over $5.5 million, to a crypto mixer in an <a target=\"_blank\" href=\"https:\/\/cointelegraph.com\/news\/nca-wants-regulation-for-coin-mixers-but-the-crypto-industry-is-already-one-step-ahead\" data-amp=\"https:\/\/cointelegraph-com.cdn.ampproject.org\/c\/s\/cointelegraph.com\/news\/nca-wants-regulation-for-coin-mixers-but-the-crypto-industry-is-already-one-step-ahead\/amp\" rel=\"noopener\">attempt to launder the stolen tokens<\/a>.<\/p>\n<p><strong><em>Related:<\/em><\/strong><a target=\"_blank\" href=\"https:\/\/cointelegraph.com\/news\/deus-finance-exploit-hackers-get-away-with-3m-worth-of-dai-and-ether\" data-amp=\"https:\/\/cointelegraph-com.cdn.ampproject.org\/c\/s\/cointelegraph.com\/news\/deus-finance-exploit-hackers-get-away-with-3m-worth-of-dai-and-ether\/amp\" rel=\"noopener\"><strong><em>Deus Finance exploit: Hackers get away with $3M worth of DAI and Ether<\/em><\/strong><\/a><\/p>\n<p>Solidity developer and creator of an NFT liquidity protocol application Shegen (@shegenerates), tweeted that she lost $225,000 in the exploit. Her investigations revealed the attack worked by <a target=\"_blank\" href=\"https:\/\/cointelegraph.com\/news\/gnosis-gno-continues-uptrend-after-vcow-airdrop-and-rebrand-to-cow-protocol\" data-amp=\"https:\/\/cointelegraph-com.cdn.ampproject.org\/c\/s\/cointelegraph.com\/news\/gnosis-gno-continues-uptrend-after-vcow-airdrop-and-rebrand-to-cow-protocol\/amp\" rel=\"noopener\">exploiting a wETH contract function<\/a> on Gnosis Chain, allowing the attacker to continue borrowing crypto before the apps could calculate the debt preventing further borrowing.<\/p>\n<p>The attacker ran this exploit, continually borrowing against the same collateral they were posting until the funds were drained from the protocols.<\/p>\n<p>Shegen told Cointelegraph that while the smart contract on Agave is essentially the same as Aave, which secures $18.4B, \u201cevery security researcher has audited it,\u201d she said. \u201cSo it\u2019s reasonable to assume the contract is safe.\u201d<\/p>\n<p>\u201cI think this hack stands out more than some bigger ones,\u201d Shegen said, noting that even if it was a smaller hack compared with\u00a0<a target=\"_blank\" href=\"https:\/\/cointelegraph.com\/news\/2-5b-in-stolen-btc-from-bitfinex-hack-awakens\" data-amp=\"https:\/\/cointelegraph-com.cdn.ampproject.org\/c\/s\/cointelegraph.com\/news\/2-5b-in-stolen-btc-from-bitfinex-hack-awakens\/amp\" rel=\"noopener\">others that stole millions more<\/a>, the similarity to Aave meant \u201cit seems top tier safe, but wasn&#8217;t, and that break of trust hurts.\u201d<\/p>\n<blockquote><p>\u201cIt\u2019s like you can&#8217;t even trust \u2018safe\u2019 code.\u201d<\/p><\/blockquote>\n<p>Blockchain security researcher Mudit Gupta <a target=\"_blank\" href=\"https:\/\/twitter.com\/Mudit__Gupta\/status\/1503783647903576065\" rel=\"noopener nofollow\">says<\/a> the difference between Aave and Agave is that \u201cAave actively checks for re-entrancy before listing tokens on the mainnet to avoid similar attacks.\u201d<\/p>\n<p>Shegen stated that she did not blame the Agave developers for failing to prevent the attack.<\/p>\n<p>\u201cAgave was used in an unsafe way\u201d, she said. \u201cMaybe the developer should not have allowed tokens with callbacks in them to be used in the platform, or added more re-entrancy guards.\u201d<\/p>\n<blockquote><p>\u201cCurve, for example, was not hacked today, because it has extra re-entrancy guards, but I don&#8217;t really blame Luigy and the Agave team because it\u2018s so unlikely that this would have happened, and slipped past  many people.\u201d<\/p><\/blockquote>\n<p>Shegen also didn\u2019t point the blame at Gnosis for creating tokens with a callback function that the hacker exploited, saying that the feature stops users from accidentally losing their crypto. <\/p>\n<p>\u201cThat\u2018s actually a great feature for bridged tokens, it\u2018s just a really unfortunate, and unlucky circumstance in my opinion.\u201d<\/p>\n<\/div>\n<p><br \/>\n<br \/><a href=\"https:\/\/cointelegraph.com\/news\/unlucky-agave-and-hundred-finance-defi-protocols-exploited-for-11m\">Source link <\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A hacker has made off with approximately $11 million in wrapped ETH (wETH), wrapped BTC (wBTC), Chainlink (LINK), USD Coin (USDC), Gnosis (GNO) and wrapped XDAI (wxDAI) after using a \u201cre-entrancy\u201d attack on decentralized finance (DeFi) lending protocol applications Agave and Hundred Finance. The attack comes within 24 hours of the news breaking of the [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":10861,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false}}},"categories":[41],"tags":[5977,6319,172,6320,28,477,6318],"class_list":["post-10860","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ethereum","tag-11m","tag-agave","tag-defi","tag-exploited","tag-finance","tag-protocols","tag-unlucky"],"jetpack_publicize_connections":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"http:\/\/egrowonline.com\/wp-content\/uploads\/2022\/03\/1200_aHR0cHM6Ly9zMy5jb2ludGVsZWdyYXBoLmNvbS91cGxvYWRzLzIwMjItMDMvMDUwMjIxNzgtMzkxMy00N2EwLTgzYWQtMWE0NTg5NWMxZGFkLmpwZw.jpg","_links":{"self":[{"href":"http:\/\/egrowonline.com\/index.php?rest_route=\/wp\/v2\/posts\/10860","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/egrowonline.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/egrowonline.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/egrowonline.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/egrowonline.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10860"}],"version-history":[{"count":1,"href":"http:\/\/egrowonline.com\/index.php?rest_route=\/wp\/v2\/posts\/10860\/revisions"}],"predecessor-version":[{"id":10862,"href":"http:\/\/egrowonline.com\/index.php?rest_route=\/wp\/v2\/posts\/10860\/revisions\/10862"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/egrowonline.com\/index.php?rest_route=\/wp\/v2\/media\/10861"}],"wp:attachment":[{"href":"http:\/\/egrowonline.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10860"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/egrowonline.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10860"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/egrowonline.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10860"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}