In an alarming development for the tech community, especially for those immersed in the Web3 ecosystem, a supply chain attack has targeted the popular animation library, Lottie-Player. If users fall for this prompt, it could enable attackers to drain cryptocurrency wallets.
Given Lottie-Player's impressive tally of over 4 million downloads and its significant presence on many prominent websites for animation embedding, this incident underscores the security vulnerabilities associated with open-source libraries.
Understanding the Attack
The breach initially came to light on GitHub when a user noticed an unusual Web3 wallet prompt while integrating Lottie-Player on their website. Upon closer examination, it was discovered that versions 2.0.5, 2.0.6, and 2.0.7 of Lottie-Player, released between 8:12 PM and 9:57 PM GMT on October 30, 2024, had been tampered with and compromised.
The attack involved the introduction of malicious code into three new versions of the Lottie-Player library, a widely used tool for rendering animations on websites and applications. Threat actors infiltrated the distribution chain, embedding code designed to steal cryptocurrencies from users' wallets. This method of attack is particularly insidious because it leverages the trust developers place in the libraries they use.
The Broader Implications
Once the compromised versions were released, they were integrated into numerous high-profile projects, unknowingly exposing countless users to the threat—the malicious code activated during transactions, redirecting funds to wallets controlled by the attackers. In one notable case, a user reportedly lost 10 Bitcoin (BTC), worth hundreds of thousands of dollars, due to a phishing transaction triggered by the malicious script.
Following the discovery of the attack, the Lottie-Player team swiftly released a clean version, 2.0.8, which developers can use to replace the compromised files. To further contain the breach and limit exposure, versions 2.0.5 through 2.0.7 were promptly removed from npm and CDN providers like unpkg and jsdelivr.
Moving Forward
The attack occurred during a pivotal phase of the crypto bull market, intensifying efforts to steal increasingly valuable tokens. To mitigate risks, it's advisable to connect a wallet only for specific purposes rather than granting full-time permissions for signing transactions. Additionally, being prompted to connect a wallet immediately upon entering a website can serve as a potential warning sign.