Notices by Raptor Engineering, LLC (raptoreng) tagged psp
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#AMD currently indicating RCE not possible on #PSP with this exploit. Waiting for public verification outside AMD before sounding the all-clear; we believe the fundamental design of #AMD systems with the #PSP continues to be a security and integrity risk.
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Recent #AMD #PSP exploit may also open door to transparently defeating #SME (encrypted virtual memory). The #PSP manages the #SME encryption key according to #AMD documents https://social.raptorengineering.io/url/390
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#AMD highly privileged #PSP vulnerable to attack, with full control of the PSP environment possible via PC manipulation. The PSP has FULL access to the entire system memory space; this theoretically allows undetectable #rootkits on ALL #AMD platforms. http://seclists.org/fulldisclosure/2018/Jan/12
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