CacheBleed: Exploiting a Cache-based Side Channel in GnuTLS for Plain Text Recovery in Cross-VM Attacks

CacheBleed: Exploiting a Cache-based Side Channel in GnuTLS for Plain Text Recovery in Cross-VM Attacks

CVE-2018-10846 · MEDIUM Severity

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N

A cache-based side channel in GnuTLS implementation that leads to plain text recovery in cross-VM attack setting was found. An attacker could use a combination of "Just in Time" Prime+probe attack in combination with Lucky-13 attack to recover plain text using crafted packets.

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