Exploring GrapheneOS secure allocator: Hardened Malloc
Exploring GrapheneOS secure allocator: Hardened Malloc
A technical look at @grapheneos.org Hardened Malloc, a memory allocator designed to mitigate heap corruption vulnerabilities (UAF, overflows) and break common exploit primitives.
Deep dive for security researchers & exploit developers by @nicoski.bsky.social
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22.09.2025 13:41
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10.06.2025 16:30
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iOS 18.4 - dlsym considered harmful
Observations We first observed the bug in a custom iOS application compiled for the arm64e architecture (thus supporting PAC instructions).
In iOS 18.4, Apple introduced a bug in dynamic symbol resolutions for some specific exports. @0xf4b.bsky.social took a long journey down a rabbit hole to understand its root cause.
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10.04.2025 13:22
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Sβagirait dβaccepter que ne pas dΓ©pendre de lβΓ©tranger signifie produire localement
01.04.2025 13:08
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Microsoft Configuration Manager (ConfigMgr) 2403 Unauthenticated SQL injections
Microsoft Configuration Manager (ConfigMgr) 2403 Unauthenticated SQL injections
A few months ago, Microsoft released a critical patch for CVE-2024-43468, an unauthenticated SQL injection vulnerability in SCCM/ConfigMgr leading to remote code execution, discovered by @kalimer0x00.bsky.social.
www.synacktiv.com/advisories/m...
16.01.2025 13:25
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Les formations
Synacktiv - IT Security expertise - Penetration tests, Security audits, Code review, Training, Consulting, Vulnerability research
The 2025 training season is here! π
Join our best ninjas for 5-day sessions on pentesting, reverse-engineering, and forensics (in French). Check out all the dates and topics on our website: www.synacktiv.com/offres/forma...
11.12.2024 12:59
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Automated Network Security with Rust: Detecting and Blocking Port Scanners
Did you ever wonder how IDS/IPS like Snort or Suricata were able to interact with the network stack of the Linux kernel? Do you also happen to like Rust?
Check our latest blogpost!
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06.12.2024 15:04
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Frinet: reverse-engineering made easier
Discover a new tool for reverse engineers: "Frinet", by myr and hexabeast
18.12.2023 23:38
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