A popular online animation tool was abused to trick people into handing over access to their cryptocurrency wallets, with at least one individual losing close to $700,000.
LottieFiles is a platform that provides tools and a library for creating, editing, and sharing lightweight, scalable animations in the Lottie format. These animations, together with the plugin LottiePlayer, are commonly used in websites and mobile applications with 94,000 weekly downloads and has been downloaded more than 4 million times since its launch.
Recently, an unnamed threat actor somehow obtained a session cookie from one of the developers of LottieFiles, and used that access to push three new versions of LottiePlayer (2.0.5, 2.0.6, and 2.0.7) to npmjs. Websites that use LottiePlayer and were configured to always use the latest version have had the malicious versions downloaded automatically.
New version released
These new versions prompted website visitors to connect their cryptocurrency wallets, which basically gives the site access to the stored funds. We don’t know how many people fell for the trick and connected their wallets, but we do know that at least one person did, and it cost them 10 BTC, which is $696,960 at press time. This information came from Scam Sniffer, a Web3 anti-scam platform.
“On October 30th ~6:20 PM UTC – LottieFiles were notified that our popular open source npm package for the web player @lottiefiles/lottie-player had unauthorized new versions pushed with malicious code,” the project’s co-founder and CTO, Nattu Adnan, wrote on GitHub. “This does not impact our dotlottie player and/or SaaS services. Our incident response plans were activated as a result. We…
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