CVE-2021-47636 ubifs: Fix read out-of-bounds in ubifs_wbuf_write_nolock()

In the Linux kernel, the following vulnerability has been resolved: ubifs: Fix read out-of-bounds in ubifswbufwritenolock Function ubifswbufwritenolock may access buf out of bounds in following process: ubifswbufwritenolock: alignedlen = ALIGNlen, 8; // Assume len = 4089, alignedlen = 4096 if...

SUSE CVE-2020-14399

An issue was discovered in LibVNCServer before 0.9.13. Byte-aligned data is accessed through uint32t pointers in libvncclient/rfbproto.c. NOTE: there is reportedly "no trust boundary crossed...

How to understand stack and heap overflow exploits-a vulnerability warning-the black bar safety net

This article is a detailed description of the heap,and will teach you how to write a heap-based overflow vulnerability. Run the following program: include include include int mainint argc, char argv char buf1 = malloc1 2 8; char buf2 = malloc2 5 6; read's filenostdin, buf1, 2 0 0; freebuf2;...

Reverse Engineering SEHOP Chain Validation

Reverse Engineering code of SEHOP Chain Validation by x90c [email protected] -- sehopchainvalidation.c -- typedef struct EXCEPTIONREGISTRATIONRECORD struct EXCEPTIONREGISTRATIONRECORD Next; PEXCEPTIONROUTINE Handler; EXCEPTIONREGISTRATIONRECORD, PEXCEPTIONREGISTRATIONRECORD; / first ER struct o...