kernel-exploit-dirtycow

Kernel Exploit — Dirty Cow CVE-2016-5195 Laboratorio de escalamiento de privilegios mediante la vulnerabilidad Dirty Cow, realizado como parte de la especialización en ciberseguridad de 4Geeks Academy. Descripción Dirty Cow es una condición de carrera en el subsistema de memoria del kernel de Lin...

totally-safe-transmute allows transmuting any type to any other type in safe Rust

This crate is a toy and should never be used. It showcases a known soundness issue https://github.com/rust-lang/rust/issues/32670 that will never get fixed. In short, Linux provides a file called /proc/self/mem which can be used by a program to modify its own memory. This library modifies an enum...

CVE-2024-34346 Deno contains a permission escalation via open of privileged files with missing `--deny` flag

Deno is a JavaScript, TypeScript, and WebAssembly runtime with secure defaults. The Deno sandbox may be unexpectedly weakened by allowing file read/write access to privileged files in various locations on Unix and Windows platforms. For example, reading /proc/self/environ may provide access...

Microsoft Azure Sphere Normal World application /proc/self/mem unsigned code execution vulnerability

Summary A code execution vulnerability exists in the normal world’s signed code execution functionality of Microsoft Azure Sphere 20.05. A specially crafted shellcode can cause a process’ non-writable memory to be written. An attacker can execute a shellcode that modifies the program at runtime v...

Linux Kernel 2.6.22 < 3.9 - Dirty COW /proc/self/mem Race Condition Privilege Escalation (/etc/pa

Exploit for linux platform in category local exploits // EDB-Note: Compile: g++ -Wall -pedantic -O2 -std=c++11 -pthread -o dcow 40847.cpp -lutil // EDB-Note: Recommended way to run: ./dcow -s Will automatically do "echo 0 /proc/sys/vm/dirtywritebackcentisecs" // //...

Linux Kernel 2.6.22 < 3.9 - Dirty COW /proc/self/mem Race Condition Privilege Escalation (/etc/pa

Exploit for linux platform in category local exploits // EDB-Note: Compile: g++ -Wall -pedantic -O2 -std=c++11 -pthread -o dcow 40847.cpp -lutil // EDB-Note: Recommended way to run: ./dcow -s Will automatically do "echo 0 /proc/sys/vm/dirtywritebackcentisecs" // //...

Linux Kernel 2.6.22 < 3.9 - 'Dirty COW /proc/self/mem' Race Condition Privilege Escalation (/etc/passwd Method)

// EDB-Note: Compile: g++ -Wall -pedantic -O2 -std=c++11 -pthread -o dcow 40847.cpp -lutil // EDB-Note: Recommended way to run: ./dcow -s Will automatically do "echo 0 /proc/sys/vm/dirtywritebackcentisecs" // // ----------------------------------------------------------------- // Copyright C 2016...

Linux Kernel 2.6.22 < 3.9 (x86/x64) - 'Dirty COW /proc/self/mem' Race Condition Privilege Escalation (SUID Method)

/ EDB-Note: After getting a shell, doing "echo 0 /proc/sys/vm/dirtywritebackcentisecs" may make the system more stable. uncomment correct payload first x86 or x64! $ gcc cowroot.c -o cowroot -pthread $ ./cowroot DirtyCow root privilege escalation Backing up /usr/bin/passwd.. to /tmp/bak Size of...

Linux Kernel 2.6.22 3.9 - Dirty COW procselfmem Race Condition (Write Access Method)

Linux Kernel 2.6.22 3.9 - Dirty COW procselfmem Race Condition Write Access Method / dirtyc0w.c $ sudo -s echo this is not a test foo chmod 0404 foo $ ls -lah foo -r-----r-- 1 root root 19 Oct 20 15:23 foo $ cat foo this is not a test $ gcc -pthread dirtyc0w.c -o dirtyc0w $ ./dirtyc0w foo...

kernel security and bug fix update

2.6.9-78.0.8.0.1.EL - fix entropy flag in bnx2 driver to generate entropy pool John Sobecki orabug 5931647 - fix skb alignment that was causing sendto to fail with EFAULT Olaf Kirch orabug 6845794 - fix enomem due to larger mtu size page alloc Zach Brown orabug 5486128 - fix percpu api bugon with...