Cruel Summer: hybrid signatures, Downfall, Zenbleed, 2G downgrades
Security Cryptography Whatever
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Vulnerabilities Zenbleed, Downfall, Spectre, and Meltdown
This chapter focuses on the vulnerabilities Zenbleed, Downfall, Spectre, and Meltdown, explaining how they leak information from memory or registers. It discusses their technical details, the risks they pose, and the potential for exploitation to access sensitive information. It also compares the fixability of a new security vulnerability targeting registers with the challenges faced in fixing Spectre and Meltdown.
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