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Krypton
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Krypton

@kkrypt0nn
Cloud Engineer | Security enthusiast & researcher | Developer
$rax
krypton.ninja
Joined September 2018
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  • user avatar
    Krypton
    @kkrypt0nn
    Aug 15
    @shodanhq your CT logs API seems to be down 🙏
  • user avatar
    Krypton
    @kkrypt0nn
    May 19
    Tomorrow: ASLR for CVE-2026-42945 can be bypassed by having a host access primitive.. Jokes aside, still an interesting PoC
    user avatar
    Hamid Kashfi
    @hkashfi
    May 18
    Here's the PoC for Nginx CVE-2026-42945 which works against vanilla Ubuntu (and any other distro?) + Nginx with ASLR enabled. I have included all iterations of the PoC the LLM was kicked to improve. TL;DR: We can use an LFI/file-read primitive to leak enough details from
  • user avatar
    Krypton
    @kkrypt0nn
    May 13
    Don't disable ASLR
    user avatar
    Zhenpeng (Leo) Lin
    depthfirst
    @Markak_
    May 13
    NGINX rift: We autonomously discovered this 18 yr old heap overflow (CVE-2026-42945) in @nginx impacting version 0.6.27 to 1.30.0. If you use rewrite and set directive, you maybe impacted! Please update your NGINX or change the config to mitigate it. Read more at
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  • user avatar
    Krypton
    @kkrypt0nn
    Apr 30
    Hard to patch if there's no patch. It's a 0day, and thank you for that. Blocking the module has some more side-effects than the ones described, see openwall.com/lists/oss-secu… I call that irresponsible disclosure, change my mind.
    user avatar
    Xint
    @xint_official
    Apr 29
    Patch your Linux boxes! Copy.Fail is a trivially exploitable logic bug in Linux, reachable on all major distros released in the last 9 years. A small, portable python script gets root on all platforms. Found by the teams at @theori_io and @xint_official More
  • user avatar
    Krypton
    @kkrypt0nn
    Apr 29
    Can we please also get RHEL 14.3 - you guys seem to be 4 major versions in advance 🙏
    user avatar
    Xint
    @xint_official
    Apr 29
    Patch your Linux boxes! Copy.Fail is a trivially exploitable logic bug in Linux, reachable on all major distros released in the last 9 years. A small, portable python script gets root on all platforms. Found by the teams at @theori_io and @xint_official More
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