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Critical Bug Impacting Litecoin, ZCash, Dogecoin and Other Networks Identified: Research

Frank Miller by Frank Miller
March 14, 2023
in Dogecoin
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Critical Bug Impacting Litecoin, ZCash, Dogecoin and Other Networks Identified: Research
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Blockchain safety agency, Halborn has detected a number of vital and exploitable vulnerabilities impacting greater than 280 networks, together with Litecoin (LTC) and Zcash (ZEC). Code-named “Rab13s,” this vulnerability has put over $25 billion of digital property in danger.

This was first detected within the Dogecoin community a 12 months in the past, which was then mounted by the group behind the premier memecoin.

51% Assaults and Different Points

In accordance with the official blog post, Holborn researchers found essentially the most vital vulnerability associated to peer-to-peer (p2p) communications which, if exploited, might help attackers craft consensus messages and ship them to particular person nodes and take them offline. Finally, such a menace might additionally expose networks to dangers resembling 51% assaults and different extreme points.

“An attacker can crawl the community friends utilizing getaddr message and assault the unpatched nodes.”

The agency recognized one other zero-day which was uniquely associated to Dogecoin, together with an RPC (Distant Process Name) Distant code execution vulnerability impacting particular person miners.

Variants of those zero-days had been additionally found in related blockchain networks, resembling Litecoin and Zcash. Whereas not all of the bugs are exploitable in nature as a result of variations in codebase between the networks, no less than certainly one of them might be exploited by attackers on every community.

Within the case of weak networks, Halborn mentioned that profitable exploitation of the related vulnerability might result in denial of service or distant code execution.

The safety platform believes that the simplicity of those Rab13s vulnerabilities will increase the potential for assault.

Upon additional investigation, Halborn researchers discovered a second vulnerability within the RPC providers that enabled an attacker to crash the node by way of RPC requests. However profitable exploitation would require legitimate credentials. This reduces the potential for all the community being in danger as a result of some nodes implement the cease command.

A 3rd vulnerability, alternatively, lets malicious entities execute code within the context of the person operating the node by way of the general public interface (RPC). The chance of this exploit can also be low since even this requires a sound credential to hold out a profitable assault.

Bug Exploits

In the meantime, an exploit package for Rab13s has been developed that features a proof of idea with configurable parameters to display the assaults on varied different networks.

Halborn has confirmed sharing all the required technical particulars with the recognized stakeholders to assist them remediate the bugs, in addition to to launch the related patches for the group and miners.

 



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Tags: BugCriticalDogecoinIdentifiedImpactingLitecoinNetworksResearchZCash
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