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Microsoft Windows CI CiSetFileCache TOCTOU Security Feature Bypass

Microsoft Windows CI CiSetFileCache TOCTOU Security Feature Bypass
Posted Nov 21, 2017
Authored by James Forshaw, Google Security Research

It is possible to add a cached signing level to an unsigned file by exploiting a TOCTOU in CI leading to circumvention of Device Guard policies and possibly PPL signing levels.

tags | exploit
advisories | CVE-2017-11830
SHA-256 | 10740234534d576953b78d366019b0eaed2b7e2f77b447ea307edd5c886a5515
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