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Cybersecurity Firm Halborn Warns of Zero-Day Vulnerabilities in Over 280 Blockchain Networks

March 14, 2023
in Blockchain
Reading Time: 2 mins read
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A cybersecurity agency, Halborn, has just lately warned of a vulnerability that might put over 280 blockchain networks liable to zero-day exploits, doubtlessly exposing at the least $25 billion price of crypto. The vulnerability, which Halborn has dubbed “Rab13s,” might have important penalties for the affected networks, and Halborn has already labored with some networks, reminiscent of Dogecoin, Litecoin, and Zcash, to institute a repair.

The warning comes after Halborn was contracted in March 2022 to conduct a safety evaluation of Dogecoin’s codebase and located “a number of important and exploitable vulnerabilities.” Halborn later found that these similar vulnerabilities “affected over 280 different networks,” which risked billions of {dollars} price of cryptocurrencies.

Halborn outlined three vulnerabilities, with probably the most important one permitting an attacker to “ship crafted malicious consensus messages to particular person nodes, inflicting every to close down.” These messages over time might expose the blockchain to a 51% assault, the place an attacker controls the vast majority of the community’s mining hash charge or staked tokens to make a brand new model of the blockchain or take it offline.

Halborn discovered different zero-day vulnerabilities that will permit potential attackers to crash blockchain nodes by sending Distant Process Name (RPC) requests – a protocol permitting a program to speak and request providers from one other. Nevertheless, Halborn added that the probability of RPC-related exploits was decrease, because it required legitimate credentials to undertake the assault.

Halborn warned that because of codebase variations between networks, not all of the vulnerabilities have been exploitable on all of the networks, however at the least certainly one of them could also be exploitable on every community. The cybersecurity agency mentioned it was not releasing additional technical particulars of the exploits because of their severity and added that it made a “good religion effort” to contact all affected events to reveal the potential exploits and supply remediation for the vulnerabilities.

Whereas Dogecoin, Zcash, and Litecoin have already applied patches for the found vulnerabilities, Halborn warned that a whole bunch of different networks might nonetheless be uncovered. The potential for these zero-day exploits to influence billions of {dollars} price of cryptocurrencies underscores the significance of sturdy cybersecurity measures and common safety audits for blockchain networks. Because the adoption of blockchain continues to develop, it’s seemingly that hackers will proceed to focus on vulnerabilities in these networks, making the necessity for strong safety measures all of the extra important.

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Tags: BlockchainCybersecurityFirmHalbornNetworksVulnerabilitiesWarnsZeroDay
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