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Wasabi wallet updates due to a bug
Wasabi wallet updates due to a bug
Crypto

Wasabi wallet updates due to a bug

By Alfredo de Candia - 4 Sep 2020

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As announced yesterday, the team of the famous Wasabi wallet has carried out an update, v1.1.12, which fixes a vulnerability that prevents the use of CoinJoin.

From what can be read from the post, the flaw was discovered last May by Trezor‘s team – specifically by Ondřej Vejpustek – and in all this time they worked to fix and put a stop to this problem, which could be serious particularly on the user side.

In detail, the problem existed on the previous version, the v4 Hard Fork: a criminal could carry out a DoS (Denial of Service) attack and this prevented users from proceeding with the CoinJoin. 

CoinJoin is a process by which a transaction is combined with others by mixing them, so that it is impossible to trace which address actually carried it out.

Fortunately, despite the bug, no user experienced this problem, so the attack did not result in any data loss or deanonymization, so users are all protected both on the crypto and privacy side, as the team explained:

“It is important to specify that the attacker could neither steal users’ funds nor deanonymize anyone. What they could have done was to prevent the completion of the CoinJoin process.”

At this point, the Wasabi team invited all users to update the wallet to the latest version, which was released last month to be protected from this potential problem that was plaguing the system.

Having the software up to date allows users to be shielded from the most recent attacks or leaks that are discovered over time, given that it is always possible to exploit problems and bugs that are not yet known, as in this case. 

Wasabi subject to monitoring by Europol

At the beginning of June, Wasabi had been placed under observation by the Europol Cybercrime Center (EC3), which had noticed an increasing number of investigations involving this wallet.

Unfortunately, although this tool was created to protect users’ privacy, it is often used by criminals who want to take advantage of the anonymity provided by Wasabi to commit their illegal acts.

In fact, in their EC3 report, they highlighted how the wallet is used to anonymize bitcoin transactions using the CoinJoin function, which used in conjunction with TOR, manages to evade the AMLD5 regulations.

Alfredo de Candia
Alfredo de Candia

Android developer for over 8 years with a dozen of developed apps, Alfredo at age 21 has climbed Mount Fuji following the saying: "He who climbs Mount Fuji once in his life is a wise man, who climbs him twice is a Crazy". Among his app we find a Japanese database, a spam and virus database, the most complete database on Anime and Manga series birthdays and a shitcoin database. Sunday Miner, Alfredo has a passion for crypto and is a fan of EOS.

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