Vtable Hijack on CyberSecurity Elitehttps://cybersecurityelite.com/tags/vtable-hijack/Recent content in Vtable Hijack on CyberSecurity EliteCyberSecurity Elitehttps://cybersecurityelite.com/images/og-default.pnghttps://cybersecurityelite.com/images/og-default.pngHugoen-usWed, 15 Jul 2026 14:52:15 +0200Junior.Crypt 2026 Pwn + Reverse Writeup: 4 Challenges Solved (Cookie-Encoded Function Pointers, UAF Type Confusion, Heap Overflow with Reclassify, TCC-Injected VM)https://cybersecurityelite.com/ctf-writeups/junior-crypt-2026-pwn-reverse-writeup/Wed, 15 Jul 2026 12:15:00 +0000https://cybersecurityelite.com/ctf-writeups/junior-crypt-2026-pwn-reverse-writeup/Step-by-step Junior.Crypt 2026 pwn and reverse writeup — three pwn challenges (Clockwork Vault: negative-index array bug + service-cookie-encoded function pointers; House of Mirage: session-to-sink UAF type confusion with pipelined race + fake vtable; Museum of Echoes: reclassify without realloc + heap overflow into adjacent exhibit's routine ptr) and one reverse challenge (Write The Кодэ: modified TCC compiler smuggles a hidden C source with a 512-byte VM blob decrypted by an ELF-relocation-derived key).