Author: blogic
Date: 2014-07-29 14:18:52 +0200 (Tue, 29 Jul 2014)
New Revision: 41882

Added:
   trunk/package/network/services/ppp/patches/520-ms_chap_buffer_overrun.patch
Log:
ppp: fix a buffer overrun in the ms chap code

https://dev.openwrt.org/ticket/17296

Signed-off-by: John Crispin <[email protected]>

Added: 
trunk/package/network/services/ppp/patches/520-ms_chap_buffer_overrun.patch
===================================================================
--- trunk/package/network/services/ppp/patches/520-ms_chap_buffer_overrun.patch 
                        (rev 0)
+++ trunk/package/network/services/ppp/patches/520-ms_chap_buffer_overrun.patch 
2014-07-29 12:18:52 UTC (rev 41882)
@@ -0,0 +1,13 @@
+Index: ppp-2.4.6/pppd/chap_ms.c
+===================================================================
+--- ppp-2.4.6.orig/pppd/chap_ms.c      2014-07-29 00:38:03.073968867 +0100
++++ ppp-2.4.6/pppd/chap_ms.c   2014-07-29 00:41:52.897964689 +0100
+@@ -382,7 +382,7 @@
+                     unsigned char *private)
+ {
+       const struct chapms2_response_cache_entry *cache_entry;
+-      unsigned char auth_response[MS_AUTH_RESPONSE_LENGTH];
++      unsigned char auth_response[MS_AUTH_RESPONSE_LENGTH+1];
+ 
+       challenge++;    /* skip length, should be 16 */
+       *response++ = MS_CHAP2_RESPONSE_LEN;
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