checksec.sh
kernel-hardening-checker
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| checksec.sh | kernel-hardening-checker | |
|---|---|---|
| 3 | 8 | |
| 1,936 | 1,501 | |
| - | - | |
| 6.7 | 9.2 | |
| 3 days ago | 7 days ago | |
| Roff | Python | |
| GNU General Public License v3.0 or later | GNU General Public License v3.0 only |
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checksec.sh
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Need Help with Int3 Breakpoint - Segmentation Fault Error and Python 2 to Python 3 Conversion
probably non executable stack. can you run https://github.com/slimm609/checksec.sh on the binary?
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Hardening ELF Binaries Using Relocation Read-Only (Relro)
Also, one can use checksec to confirm that the protections are actually in place. https://github.com/slimm609/checksec.sh
I happened to be looking at this for Go binaries last night and it seems that -buildmode=pie gets you part of the way there. Was trying to see if full relro was possible with CGO_ENABLED=0 but it seems only partial was achievable in the few hours I spent.
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Which kernel package do you use? Explain in the comments, why.
I also want to point out the checksec script for your confirming security on your userspace binaries - https://github.com/slimm609/checksec.sh (look for violations marked in red)
kernel-hardening-checker
- Has anyone run into any issues using kernel-hardening-checker on Fedora?
- Linux Kernel Hardening Checker
- A tool for checking the security hardening options of the Linux kernel
- kconfig-hardened-check - A tool for checking the security hardening options of the Linux kernel
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Ask HN: What Linux setup/hardening guide do you use?
https://github.com/a13xp0p0v/kconfig-hardened-check and also spot check with http://kernsec.org/wiki/index.php/Kernel_Self_Protection_Pro...
Then can also see if the distro is doing things to harden the binaries (relro, nx, canaries, aslr, pie, etc) ; https://www.trapkit.de/tools/checksec/
- a13xp0p0v/kconfig-hardened-check: A tool for checking the security hardening options of the Linux kernel
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Which kernel package do you use? Explain in the comments, why.
I want to point out I like this script to run some additional security confirmation checks on the kernel (pretty advanced, you need to know what stuff is, your brain needs to be on) https://github.com/a13xp0p0v/kconfig-hardened-check/
What are some alternatives?
linux-hardened - Minimal supplement to upstream Kernel Self Protection Project changes. Features already provided by SELinux + Yama and archs other than multiarch arm64 / x86_64 aren't in scope. Only tags have stable history. Shared IRC channel with KSPP: irc.libera.chat #linux-hardening
droid-native - Next Generation Android x86 Desktop - Anbox, Lineage, WayDroid, BlissOS, Dock-Droid
provision - Script to setup a new server.
How-To-Secure-A-Linux-Server - An evolving how-to guide for securing a Linux server.
How-To-Secure-A-Linux-Serve