A new bug called “Zenbleed” affecting specific AMD CPUs has been found that can potentially leak info, such as keys attached to crypto wallets.
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AMD Ryzen Bug Can Compromise Crypto Wallet Keys. AMD Zenbleed May Be Exploited To Leak Crypto Wallet Keys
A new vulnerability related to AMD CPUs has been discovered that can potentially compromise sensitive information such as passwords and encryption keys. The vulnerability, known as Zenbleed, works on all products that use AMD's "Zen 2" architecture, including the AMD EPYC processors in data centers. The vulnerability can be executed through javascript on a webpage, such as that inside an ad, without requiring physical access to the PC or server. This means that a malicious hacker can potentially access a user's login credentials and compromise the keys of a crypto wallet, if installed on the same hardware. AMD has released a security advisory about Zenbleed and has provided information about when different patches may be released for its various products. However, consumer CPUs from the Ryzen 3000 and 4000 series, and some from the 5000 line, will not get appropriate fixes until November and December of this year, which suggests that these home-computer processors might not be protected until the end of the year. It is still unclear if AMD's processors used in the PS5, Xbox Series X, and S, and Steam Deck are impacted. AMD Ryzen Bug Can Compromise Crypto Wallet Keys.
Which Digital Asset Wallets Would Be Affected?
Crypto wallets installed directly on a PC may be vulnerable to exploits. On the other hand, encryption keys stored on dedicated devices like hardware wallets and locked-down computers disconnected from the internet are expected to be safe from such vulnerabilities.
In recent times, there has been a growing trend towards self-custody in the crypto industry as investors have become more aware of the risks associated with centralized platforms. This trend has been further fueled by incidents such as the downtime experienced by established players like FTX in the past year.
However, bugs like the one mentioned in this article highlight that while self-custodial wallets may be safer than keeping coins on centralized platforms, some types are less secure than others. For example, hot wallets that require an internet connection can potentially be vulnerable to such exploits.
As of the time of writing, Bitcoin is trading at around $29,300, which represents a 2% drop in the last week.
Disclaimer: This article is provided for informational purposes only. It is not offered or intended to be used as legal, tax, investment, financial, or other advice.