Vulnerability in the Passport Hardware Wallet

BY KEYHUNTER 17.02.2024
Vulnerability in the Passport Hardware Wallet

A recent vulnerability has been discovered in the Passport Hardware Wallet, which is used to store Bitcoin cryptocurrency. This vulnerability could potentially allow an attacker to gain access to the private key of the wallet, thereby compromising the security of the funds stored in it.

The vulnerability was discovered by a security researcher named Saleem Rashid, who published a detailed report on the issue. According to Rashid, the vulnerability is caused by a flaw in the way that the Passport Hardware Wallet generates its private keys.

In particular, Rashid found that the wallet generates private keys using a deterministic algorithm, which means that the same private key will be generated every time the wallet is initialized. This is a problem because an attacker who knows the algorithm can simply generate the same private key and use it to access the funds stored in the wallet.

Rashid also found that the Passport Hardware Wallet uses a weak encryption algorithm to protect the private key, which makes it easier for an attacker to gain access to the key. This combination of flaws makes the Passport Hardware Wallet vulnerable to a range of attacks, including brute-force attacks and side-channel attacks.

In response to Rashid’s findings, the manufacturer of the Passport Hardware Wallet has released a firmware update that fixes the vulnerability. However, users who have already stored funds in the wallet should take steps to protect themselves, such as transferring their funds to a different wallet.

Overall, this vulnerability is a reminder of the importance of using secure hardware wallets to store cryptocurrency. While no system is completely foolproof, it’s important to choose a wallet that has been thoroughly tested and audited by security experts, and to keep your firmware up to date to ensure that any vulnerabilities are patched as quickly as possible.

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