1 files changed, 50 insertions, 0 deletions
diff --git a/lang/python31/files/patch-CVE-2014-1912 b/lang/python31/files/patch-CVE-2014-1912
new file mode 100644
index 000000000000..fe786ab766fc
--- /dev/null
+++ b/lang/python31/files/patch-CVE-2014-1912
@@ -0,0 +1,50 @@
+# HG changeset patch
+# User Benjamin Peterson <benjamin@python.org>
+# Date 1389672374 18000
+# Node ID 715fd3d8ac93878e49a072474a4706a449720d9b
+# Parent  b1ddcb220a7f375146c090a854438cf31fa3a388# Parent  87673659d8f7ba1623cd4914f09ad3d2ade034e9
+complain when nbytes > buflen to fix possible buffer overflow (closes #20246)
+
+# HG changeset patch
+# User Stefan Krah <skrah@bytereef.org>
+# Date 1390341520 -3600
+# Node ID c25e1442529f16ba5fb9df8786a019866b0686e9
+# Parent  fbb4d48046e564dd89511598dbbf04422ac6da35
+Issue #20246: Fix test failures on FreeBSD. Patch by Ryan Smith-Roberts.
+
+diff --git a/Lib/test/test_socket.py b/Lib/test/test_socket.py
+--- Lib/test/test_socket.py
++++ Lib/test/test_socket.py
+@@ -1424,6 +1424,14 @@ class BufferIOTest(SocketConnectedTest):
+         buf = bytes(MSG)
+         self.serv_conn.send(buf)
+ 
++    def testRecvFromIntoSmallBuffer(self):
++        # See issue #20246.
++        buf = bytearray(8)
++        self.assertRaises(ValueError, self.cli_conn.recvfrom_into, buf, 1024)
++
++    def _testRecvFromIntoSmallBuffer(self):
++        self.serv_conn.send(MSG)
++
+ 
+ TIPC_STYPE = 2000
+ TIPC_LOWER = 200
+
+diff --git a/Modules/socketmodule.c b/Modules/socketmodule.c
+--- Modules/socketmodule.c
++++ Modules/socketmodule.c
+@@ -2494,6 +2494,12 @@ sock_recvfrom_into(PySocketSockObject *s
+     if (recvlen == 0) {
+         /* If nbytes was not specified, use the buffer's length */
+         recvlen = buflen;
++    } else if (recvlen > buflen) {
++        PyBuffer_Release(&pbuf);
++        Py_XDECREF(addr);
++        PyErr_SetString(PyExc_ValueError,
++                        "nbytes is greater than the length of the buffer");
++        return NULL;
+     }
+ 
+     readlen = sock_recvfrom_guts(s, buf, recvlen, flags, &addr);
+