Challenge list
LinuxLevel 5★★★★★Linux-Kernel Exploit. Rewriting a Read-Only File with Dirty COW
This challenge models mmap, MAP_PRIVATE, and madvise—the ingredients used by Dirty COW (CVE-2016-5195)—as a safe,…
Network SecurityLevel 5★★★★★Network Analysis - IPv4 Overlapping Fragment Reassembly
The UDP datagram with IPv4 ID 0xbeef in fragments.pcap contains overlapping fragments that overwrite earlier bytes.…
CryptographyLevel 5★★★★★Cryptanalysis - RSA e=3 Broadcast Attack
broadcast.json contains the same plaintext encrypted with unpadded RSA e=3 under three pairwise-coprime moduli.…