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Thu Nov 4 16:56:07 CET 2004 · https://mail.python.org/pipermail/python-dev/2004-November/049773.html

Qui, 2004-11-04 às 10:38 -0500, Mihai Ibanescu escreveu:
> Hello,
> 
> Can someone confirm this is indeed an overflow by one in socketmodule.c?
> 
> 
> static PyObject *
> socket_inet_ntop(PyObject *self, PyObject *args)
> {
>         int af;
>         char* packed;
>         int len;
>         const char* retval;
> #ifdef ENABLE_IPV6
>         char ip[MAX(INET_ADDRSTRLEN, INET6_ADDRSTRLEN) + 1];
> #else
>         char ip[INET_ADDRSTRLEN + 1];
> #endif
> 
>         /* Guarantee NUL-termination for PyString_FromString() below */
>         memset((void *) &ip[0], '\0', sizeof(ip) + 1);
> 
> 
> If it is I'll go ahead and file it.

  Indeed, looks like buffer overflow to me..

> 
> Thanks,
> Misa
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-- 
Gustavo J. A. M. Carneiro
<gjc at inescporto.pt> <gustavo at users.sourceforge.net>
The universe is always one step beyond logic.
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[Python-Dev] Overflow in socketmodule.c?