Add string length checking to function COM_StripExtension. This fixes the R_RemapShader buffer overflow exploit that can be found here:

http://milw0rm.com/exploits/1750
This commit is contained in:
Thilo Schulz 2006-05-06 01:56:24 +00:00
parent 2e368c02a6
commit d21411452e
13 changed files with 22 additions and 22 deletions

View file

@ -230,7 +230,7 @@ void VM_LoadSymbols( vm_t *vm ) {
return;
}
COM_StripExtension( vm->name, name );
COM_StripExtension(vm->name, name, sizeof(name));
Com_sprintf( symbols, sizeof( symbols ), "vm/%s.map", name );
len = FS_ReadFile( symbols, (void **)&mapfile );
if ( !mapfile ) {