Items tagged with zombieload

Another day, another disclosure of a new side-channel exploit affecting modern PC processors. This time around, we're talking about ZombieLoad, which takes advantage of vulnerabilities specific to Intel processors. At its heart, ZombieLoad is reminiscent of Meltdown, Spectre and Foreshadow, which we have all covered in great detail over the past year. More specifically, ZombieLoad takes advantage of a processor's fill-buffer logic. Digging into the white paper, we see that the researchers behind the exploit were able to extract secure keys from Intel's own architectural quoting enclave, which in effect broke the confidentiality of SGX (Software Guard Extensions). In addition, the researchers... Read more...