Explore tweets tagged as #Netfilter
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Hiding in Linux Netfilter. Kopycat is a nice implementation of Netfilter hooking [custom_local_in]. It works as LKM. Based on my experiences, there is no evidence in /proc/modules, /proc/kallsym or /sys/**. No additional entries in iptables obviously.
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CVE-2023-52927 - Turning a Forgotten Syzkaller Report into kCTF Exploit Article by @seadragnol about finding an unfixed netfilter use-after-free bug reported by syzbot. The researcher exploited it to pwn the kernelCTF COS instance. https://t.co/2KMWA3nJJM
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I was gonna use this at p2o to pop a netfilter bug-- but they switched to RedHat from Ubuntu, and RedHat doesn't even stop you entering unrpiv namespaces by default, so it's superfluous mitigations do not exist, and they cannot hurt you. happy friday!!
I find myself repeating this a bit, so fuck it, here's how to get into an unprivileged namespace on Ubuntu 24.04/24.10. PSA: linux is stupid and for nerds, and @Canonical/@ubuntu suck at security. $ busybox sh -c "unshare -Urmin" too embarassing to even call it a bypass
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什么菩萨行为？PandoraNext 的作者在他的电报群里说: 《给@ja_netfilter_group 发ChatGPT邮箱，免费拉你成为Plus。最好别用大号！》，然后我就用新注册一个号，然后成功上车team团队版。群里已经疯狂星期四了，这一车明天估计能冲到7000人，哈哈哈哈，围观群地址 https://t.co/lBBHJxDbVZ
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I think this is kind of level unblocked :) Thanks Pablo, Florian and the netfilter and kernel community for all the help and support to get this complex and subtle bug fixed
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Searching, analyzing,and exploiting stack buffer overflow in the netfilter subsystem from the softirq context جستجو، تجزیه و تحلیل و استفاده از سرریزی بوفرهای استک در زیرسیستم netfilter از محیط softirq #Netfilter #SoftIRQ #PacketProcessing #Firewall #NetworkSecurity #LinuxKernel
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Linux NetFilter Kernel Zafiyeti Linux Sistemlerde Root Yetkisi Veriyor https://t.co/pIUo5EC5tY
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Congratulations to our very own @Regiteric (Éric Leblond) on his being honored (along with and Arturo Borrero) by the #Netfilter Project community as an emeritus member of the coreteam. Éric's substantial contributions date back to his early involvement in the pioneering open
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How Container Networking Works 🧵 1/6: Network namespaces (netns) A separate network namespace gives a Linux container its own virtualized (and fully isolated from the host) network "context" - a loopback device, a route table, netfilter/iptables rules, etc.
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Vulnerabilidad crítica de Netfilter en el núcleo de Linux ⏩CVE-2023-6040 https://t.co/hznK9QE7Fo
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Linux Kernel Netfilter の脆弱性 CVE-2024-53141 が FIX：権限昇格の PoC がリリース https://t.co/b0TC1GtCOA この脆弱性は、Linux カーネルの netfilter サブシステムにある、ipset ビット・マップ機能に起因しています。問題の本質は、CIDR 形式で与えられた IP
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Linux Kernel netfilter: ipset: Missing Range Check LPE
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Vulnerabilidad del kernel de Linux (CVE-2024-26925) ⏬ Subsistema netfilter, específicamente dentro del componente nf_tables https://t.co/rk1hvmHqlQ
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Review Inakustik AC-3200 Referenz Type I netfilter met AC-1205 AIR netsnoer en CAT-2405 AIR ethernetkabel https://t.co/Ru9lC8amj4
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Linux Kernel NetFilter XTABLES out-of-bounds read vulnerability https://t.co/cE5abw03GF
#Pentesting #Vulnerability #Linux #Kernel #CyberSecurity #Infosec
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