tl;dr

• Enumerated BLE GATT services and characteristics
• Explored BLE pairing and authentication
• Used MAC spoofing and brute forcing
• Analyzed advertisements and notifications
• Analyzed a BLE PCAP in Wireshark

tl;dr

• This challenge comes under easy level challenge.
• The binary has a script being executed using execvp.

tl;dr

• Linux heap exploitation with arbitary free vulnerability

tl;dr

• linux heap exploitation challenge with glibc 2.30

tl;dr 2 element overflow in Array when jit compiled