https://b17fr13nds.github.io/tags/browser/Recent content in Browser on bitfriends' blogHugoenFri, 12 Dec 2025 23:31:15 +0700https://b17fr13nds.github.io/posts/mimic_cherry/Fri, 12 Dec 2025 23:31:15 +0700https://b17fr13nds.github.io/posts/mimic_cherry/<h2 id="cherry---mimic-ctf-finals-2025"> Cherry - Mimic CTF Finals 2025 <a class="heading-link" href="#cherry---mimic-ctf-finals-2025"> <i class="fa-solid fa-link" aria-hidden="true" title="Link to heading"></i> <span class="sr-only">Link to heading</span> </a> </h2> <p>Two weeks ago I went to Nanjing, China to take part in the <a href="https://ctftime.org/event/2999" class="external-link" target="_blank" rel="noopener">2025 Qiangwang Challenge on Cyber Mimic Defense Finals</a> with the ARESx team. Me and <a href="[https://leo1.cc/]%28https://leo1.cc/" title="https://leo1.cc/" >@leo_something</a>) full cleared pwn during the CTF and in this writeup we are going to talk about a really nice browser challenge we encountered.</p> <h2 id="overview"> Overview <a class="heading-link" href="#overview"> <i class="fa-solid fa-link" aria-hidden="true" title="Link to heading"></i> <span class="sr-only">Link to heading</span> </a> </h2> <p>The challenge consisted in a patched version of <a href="https://github.com/jerryscript-project/jerryscript" class="external-link" target="_blank" rel="noopener">jerryscript</a>, a &ldquo;lightweight JavaScript engine intended to run on a very constrained devices such as microcontrollers&rdquo;.</p>