HTB University CTF Challenges

HTB UniCTF 2024. Open Redirect. JWKS and JWT forgery. OTP bypass

HTB UniCTF 2024. 64-bit binary. Heap exploitation. House of Spirit. Heap feng-shui. Overlapping chunks. Tcache poisoning. TLS-storage dtor_list

HTB UniCTF 2024. XXE in SVG file. AWS Lambda and S3 enumeration. SSH brute force. Ansible Playbook exploitation

HTB UniCTF 2024. Quantum Cryptography. Frame-based Quantum Key Distribution

HTB UniCTF 2024. Smart Contract storage. Block information. keccak256 hash function

HTB UniCTF 2024. Ethereum events

HTB UniCTF 2023. Core file analysis. Memory inspection. Unshuffling

HTB UniCTF 2023. 64-bit binary. Heap exploitation. OOB read and write. Integer Overflow. Floating point numbers. TLS-storage dtor_list

HTB UniCTF 2023. 64-bit binary. Heap exploitation. Buffer Overflow. Floating point numbers. Canary bypass. ret2libc. Oracle

HTB UniCTF 2023. 64-bit binary. Partial GOT overwrite. OOB write

HTB UniCTF 2023. Fractions. GCD. RSA signature. Coppersmith method on bivariate polynomial

HTB UniCTF 2023. RSA-CRT. Modular arithmetic. Coppersmith method

HTB UniCTF 2023. Mignotte Secret Sharing. Modular arithmetic. Chinese Remainder Theorem

HTB UniCTF 2023. Mignotte Secret Sharing

HTB UniCTF 2022. GraphQL batching attack. OTP and rate limit bypass. JWT. CSP. DOM Clobbering. XSS

HTB UniCTF 2022. Directory Traversal. Local File Read. JWT. Broken Access Control. SSRF. Command Injection. RCE

HTB UniCTF 2022. seccomp rules. Differential encoding

HTB UniCTF 2022. Functional programming in Haskell. z3 solver

HTB UniCTF 2022. 64-bit binary. Heap exploitation. Use After Free. Fast Bin attack

HTB UniCTF 2022. 64-bit binary. Buffer Overflow. ret2libc

HTB UniCTF 2022. 64-bit binary. Buffer Overflow. ret2libc

HTB UniCTF 2022. PHP and JavaScript deobfuscation. Disc image inspection

HTB UniCTF 2022. Custom encryption using AES and XOR. Bad padding implementation

HTB UniCTF 2022. RSA. Known bits. Coppersmith method. LLL lattice reduction