JIT-spray and Heap Spray Vulnerability: Bypassing ASLR and DEP in Firefox and Thunderbird

CVE-2017-5400 · HIGH Severity

AV:N/AC:L/AU:N/C:P/I:P/A:P

JIT-spray targeting asm.js combined with a heap spray allows for a bypass of ASLR and DEP protections leading to potential memory corruption attacks. This vulnerability affects Firefox < 52, Firefox ESR < 45.8, Thunderbird < 52, and Thunderbird < 45.8.

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