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December 5, 2018 03:30 am
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/VivZ2Yk7pzw/researchers-discover-splitspectre-a-new-spectre-like-cpu-attack
Researchers Discover SplitSpectre, a New Spectre-like CPU Attack
An anonymous reader writes from a report via ZDNet: Three academics from Northeastern University and three researchers from IBM Research have discovered a new variation of the Spectre CPU vulnerability that can be exploited via browser-based code. The vulnerability, which researchers codenamed SplitSpectre, is a variation of the original Spectre v1 vulnerability discovered last year and which became public in January 2018. The difference in SplitSpectre is not in what parts of a CPU's microarchitecture the flaw targets, but how the attack is carried out. Researchers say a SplitSpectre attack is both faster and easier to execute, improving an attacker's ability to recover code from targeted CPUs. The research team says they were successfully able to carry out a SplitSpectre attack against Intel Haswell and Skylake CPUs, and AMD Ryzen processors, via SpiderMonkey 52.7.4, Firefox's JavaScript engine. The good news is that existing Spectre mitigations would thwart the SplitSpectre attacks.Read more of this story at Slashdot.
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/VivZ2Yk7pzw/researchers-discover-splitspectre-a-new-spectre-like-cpu-attack
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