9 matches found
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...