root@z2r:~/blog/tags#grep -r "medium" ./posts

<Tag: medium />

Found 3 posts with this tag.

CTF WRITEUPSBOOT2ROOT

HackSmarter - SysAdmins

HackSmarterMedium

In this HackSmarter SysAdmins lab, I chained anonymous FTP disclosure, OSINT, SNMPv3 username and credential reuse, and a critical sudo privilege escalation (CVE-2025-32463) to move from initial access to full root compromise.

August 6, 202611 min read
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HackSmarter - Rotation

HackSmarterMedium

This is a Medium AWS Challenge Lab, it is an IAM privilege escalation via access key rotation abuse.

August 6, 20268 min read
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HTB - The Emptiness Machine

HackTheBoxMedium

The Emptiness Machine is a modern FSOP-based pwn challenge from Hack The Box’s Cyber Apocalypse 2026 that demonstrates how glibc file stream structures in a fully mitigated Linux x86_64 environment can still be abused for powerful exploitation. By combining a controlled leak from stdout to defeat ASLR with a carefully aligned House of Apple 2 attack on stderr, the solver script reliably turns program teardown (_IO_flush_all()) into a remote shell and captures the flag.

July 30, 202613 min read