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| Teaclave Meetup #9 |
| </h1> <div class="publish-date-author">November 30, 2021 · Mingshen Sun</div></header> <div itemprop="articleBody" class="content__default"><h2 id="agenda"><a href="#agenda" class="header-anchor">#</a> Agenda</h2> <ul><li>SmashEx: Smashing SGX Enclaves Using Exceptions — Jinhua Cui</li></ul> <h2 id="notes"><a href="#notes" class="header-anchor">#</a> Notes</h2> <ul><li><em>SmashEx: Smashing SGX Enclaves Using Exceptions</em> (CCS 2021): |
| Jinhua Cui (National University of Defense Technology, National University of |
| Singapore); Zhijingcheng Yu (National University of Singapore); Shweta Shinde |
| (ETH Zurich); Prateek Saxena (National University of Singapore); Zhiping Cai |
| (National University of Defense Technology)</li> <li><a href="https://arxiv.org/ftp/arxiv/papers/2110/2110.06657.pdf" rel="noopener noreferrer">https://arxiv.org/ftp/arxiv/papers/2110/2110.06657.pdf</a></li> <li>CVE-2021-0186 |
| <ul><li><a href="https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00548.html" rel="noopener noreferrer">https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00548.html</a></li> <li><strong>Description</strong>: Improper input validation in the Intel(R) SGX SDK |
| applications compiled for SGX2 enabled processors may allow a privileged |
| user to potentially escalation of privilege via local access.</li> <li><strong>Affected Products</strong>: Intel SGX SDK for Windows v2.12 and earlier, Intel |
| SGX SDK for Linux v2.13 and earlier, Intel® Processors supporting SGX2.</li> <li>Intel recommends updating the Intel® SGX SDK to the versions listed below. |
| Enclaves built with the new Intel® SGX SDK version should increment the |
| value of their ISVSVN field.</li></ul></li> <li>Patch: <a href="https://github.com/intel/linux-sgx/commit/edfe42a517b3e4b1d81204c3cdef6da6cb35fefc" rel="noopener noreferrer">https://github.com/intel/linux-sgx/commit/edfe42a517b3e4b1d81204c3cdef6da6cb35fefc</a></li> <li><a href="https://teaclave.apache.org/blog/2021-10-25-security-advisory-of-smashex-and-cve-2021-0186/" rel="noopener noreferrer">Security Advisory from the Teaclave Community</a></li></ul> <h2 id="attendees"><a href="#attendees" class="header-anchor">#</a> Attendees</h2> <ul><li>Jinghua</li> <li>Ran Duan</li> <li>Rong Fan</li> <li>Gordon</li> <li>He Sun</li> <li>Hongbo Chen</li> <li>Jason Yu</li> <li>Pei Wang</li> <li>ruanwenwen</li> <li>Rundong</li> <li>Tongxin Li</li> <li>Weijie Liu</li> <li>Yuan Zhuang</li> <li>Zha0Chan</li> <li>Mingshen Sun</li></ul> <h2 id="group-photo"><a href="#group-photo" class="header-anchor">#</a> Group Photo</h2> <p><img src="/assets/img/teaclave-meetup-9-zoom.51c5ac20.png" alt="Group Photo"></p></div></article></div> <div class="footer"> |
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