ppp: fix a buffer overrun in the ms chap code
https://dev.openwrt.org/ticket/17296 Signed-off-by: John Crispin <blogic@openwrt.org> SVN-Revision: 41882
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Index: ppp-2.4.6/pppd/chap_ms.c
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===================================================================
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--- ppp-2.4.6.orig/pppd/chap_ms.c 2014-07-29 00:38:03.073968867 +0100
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+++ ppp-2.4.6/pppd/chap_ms.c 2014-07-29 00:41:52.897964689 +0100
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@@ -382,7 +382,7 @@
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unsigned char *private)
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{
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const struct chapms2_response_cache_entry *cache_entry;
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- unsigned char auth_response[MS_AUTH_RESPONSE_LENGTH];
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+ unsigned char auth_response[MS_AUTH_RESPONSE_LENGTH+1];
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challenge++; /* skip length, should be 16 */
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*response++ = MS_CHAP2_RESPONSE_LEN;
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