20 lines
650 B
C
20 lines
650 B
C
$NetBSD$
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Fix vulnerability reported in SA56624. Patch taken from here:
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http://hg.python.org/cpython/rev/87673659d8f7
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--- Modules/socketmodule.c.orig 2013-11-10 07:36:41.000000000 +0000
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+++ Modules/socketmodule.c 2014-02-09 08:41:25.000000000 +0000
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@@ -2742,6 +2742,10 @@
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if (recvlen == 0) {
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/* If nbytes was not specified, use the buffer's length */
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recvlen = buflen;
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+ } else if (recvlen > buflen) {
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+ PyErr_SetString(PyExc_ValueError,
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+ "nbytes is greater than the length of the buffer");
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+ goto error;
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}
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readlen = sock_recvfrom_guts(s, buf.buf, recvlen, flags, &addr);
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