Monero: Computing hash of crafted block leads to crash in tree_hash()

I'm not sure how to test this against against an actual Monero instance, so I'm instead showing an isolated PoC: c include int mainvoid cryptonote::block b = AUTOVALINITb; for sizet i = 0; i baoss; std::string s; if ::serialization::serializeba, b == true s = oss.str; else return 0; / Uncomment t...

Monero: Potential use-after-free due to struct array_entry_t lacking an explicit copy constructor

struct arrayentryt in contrib/epee/include/storages/portablestoragebase.h does not implement a copy constructor. Wherever there is code that attempts to copy-construct arrayentryt, the compiler inserts a copy constructor for arrayentryt that merely copies over the values. The struct possesses an...

Monero: CryptoNote: remote node DoS

Summary: Remote node DoS. See patch below. Releases Affected: All Monero versions, including the recent v0.14.0.2. Possibly all CryptoNote implementations that aren't Zano. Steps To Reproduce: Since this is currently a theoretical attack, non-code PoC detailed in the patch below. Supporting...

Monero: (remote) exabyte allocation via load_from_binary() (DoS)

Changes introduced in commit b82efa32e can result in a denial of service if epee::serialization::portablestorage::loadfrombinary is called with untrusted data. The 'reserve' method implemented here:...

Monero: RingCT malformed tx prevents target from being able to sweep balance

Summary: An attacker can send a malformed RingCT transaction to an attackee wallet that prevents the attackee from sweeping their wallet balance. This is done by the attacker changing the mask amount in genRctSimple with a modified wallet. The attacker does not need any intervention from the...

Hundreds of Vulnerable Docker Hosts Exploited by Cryptocurrency Miners

Docker is a technology that allows you to perform operating system level virtualization. An incredible number of companies and production hosts are running Docker to develop, deploy and run applications inside containers. You can interact with Docker via the terminal and also via remote API. The...

The Pirate Bay’s preferred cryptominer Coinhive shutting down next week

By Waqas The Pirate Bay was caught twice secretly mining Monero cryptocurrency using Javascript powered by Coinhive. Popular in-browser crypto-mining service will be shutting down from March 9th, 2019 much to the dismay of hackers who loved it quite ardently. The reason behind this decision,...

Coinhive to Mine Its Last Monero in March

Coinhive, the company behind an eponymous browser-based cryptocurrency miner, is closing its doors. As of March 8, the 18-month-old company will discontinue its service, because, it announced, the model “isn’t economically viable anymore.” Coinhive bills itself as a legitimate service for website...

Hackers Favorite CoinHive Cryptocurrency Mining Service Shutting Down

Coinhive, a notorious in-browser cryptocurrency mining service popular among cybercriminals, has announced that it will discontinue its services on March 8, 2019. Regular readers of The Hacker News already know how Coinhive's service helped cyber criminals earn hundreds of thousands of dollars by...

Crypto Mining Service Coinhive to Call it Quits

Roughly one year ago, KrebsOnSecurity published a lengthy investigation into the individuals behind Coinhive.com, a cryptocurrency mining service that has been heavily abused to force hacked Web sites to mine virtual currency. On Tuesday, Coinhive announced plans to pull the plug on the project...

Hackers Actively Exploiting Latest Drupal RCE Flaw Published Last Week

Cybercriminals have actively started exploiting an already patched security vulnerability in the wild to install cryptocurrency miners on vulnerable Drupal websites that have not yet applied patches and are still vulnerable. Last week, developers of the popular open-source content management syst...

Latest Drupal RCE Flaw Used by Cryptocurrency Miners and Other Attackers

Another remote code execution vulnerability has been revealed in Drupal, the popular open-source Web content management system. One exploit — still working at time of this writing — has been used in dozens of unsuccessful attacks against our customers, with an unknown number of attacks, some like...

Monero: Zero-amount miner TX + RingCT allows monero wallet to receive arbitrary amount of monero

NOTE! Thanks for submitting a report! Please replace all the square sections below with the pertinent details. Remember, the more detail you provide, the easier it is for us to verify and then potentially issue a bounty, so be sure to take your time filling out the report! Summary: By mining a...

Eight Cryptojacking Apps Booted From Microsoft Store

Microsoft booted eight malicious apps from its official desktop and mobile app store after researchers found the programs surreptitiously mined for Monero cryptocurrency. Researchers who discovered the apps said that an unspecified, but significant number, of users may have downloaded the rogue...

Monero: Cybercrime's Top Choice for Mining Malware

An academic analysis of cryptomining malware has determined that the Monero virtual currency XMR is “by far” the most popular cryptocurrency to mine among cybercriminals. And, it would appear that cryptomining as a criminal enterprise is unlikely to wane anytime soon. After examining approximatel...

Monero: Monero can leak unitialized memory

See this proof of concept: cpp include include include INITIALIZEEASYLOGGINGPP template static void invokehttpjsonvoid typename T::request ireq; typename T::response ires; std::string reqparam; if!epee::serialization::storettojsonireq, reqparam return; printf"%s\n", reqparam.cstr; int mainvoid...

As Cryptocurrency Crash Continues, Will Mining Threat Follow?

Post authored by Nick Biasini. Executive Summary As 2018 draws to a close, one technology has definitively left its mark on the year: cryptocurrencies. Digital currencies started the year out strong after a meteoric rise toward the end of 2017. Since then, it's safe to say that cryptocurrencies...

Monero: Unauthorized access of Monero wallet by an unprivileged process

Description: As per our understanding, Monero wallet app provides a separate executable for the user to enable the RPC interface monero-wallet-rpc. When the user runs the executable, the RPC server will start on a port number that is specified by the user. The RPC server authenticates the client...

Cryptojacking Attack Targets Make-A-Wish Foundation Website

Hackers have been stealing CPU-cycles from visitors to the Make-A-Wish Foundation’s international website in order to mine for Monero cryptocurrency. Researchers said they found the CoinIMP mining script embedded in the non-profit’s website, and that it was taking advantage of the Drupalgeddon 2...

Monero: Locked_Transfer functional burning

Summary: Using the lockedtransfer command in the monero-wallet-cli users can send outputs with high lock times like 1,000,000 blocks. A vendor will accept these transactions with no warnings and credit a user balance. The user can now withdrawal or sell this balance and the vendor is left with...