Blockchain cybersecurity firm Halbornrevealed that over $25 billion crypto assets are at risk of “zero day” vulnerabilities found in more than 280 blockchains. Crypto investors could lose billions of dollars due to hackers exploiting vulnerabilities.
In his official blog post on March 13, Halborn claims to have found several critical and hackable vulnerabilities affecting the Dogecoin open source network last year. The Dogecoin team has since patched the vulnerabilities reported by Halborn.
However, Halborn detected and fixed the same vulnerabilities on more than 280 other networks, including Litecoin and Zcash. Halborn called the “zero-day” vulnerability Rab13s and threatens over $25 billion in crypto assets.
“Zero day” vulnerabilities are considered among the most critical vulnerabilities in peer-to-peer (p2p) communication. Attackers can take nodes on blockchains offline by intercepting consensus messages.
Another detected zero-day or zero-day vulnerability affects individual miners through an RPC vulnerability. Variants of the same zero-day vulnerability can potentially lead to denial of service (DoS) or remote code execution (RCE) attacks.
The third and final vulnerability allows attackers to execute code in the context of the user running the node via the public interface (RPC). The company believes this hack is less likely because valid credentials are needed to execute the attack.
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