From: blogic Date: Sun, 3 Aug 2014 11:15:36 +0000 (+0000) Subject: ppp: fix a buffer overrun in the ms chap code X-Git-Url: http://207.154.207.93/?a=commitdiff_plain;h=17419452a687be0582334c17323765ef3b1c1617;p=14.07%2Fopenwrt.git ppp: fix a buffer overrun in the ms chap code https://dev.openwrt.org/ticket/17296 Signed-off-by: John Crispin Backport of r41882 git-svn-id: svn://svn.openwrt.org/openwrt/branches/barrier_breaker@41966 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- diff --git a/package/network/services/ppp/patches/520-ms_chap_buffer_overrun.patch b/package/network/services/ppp/patches/520-ms_chap_buffer_overrun.patch new file mode 100644 index 0000000..acbf33b --- /dev/null +++ b/package/network/services/ppp/patches/520-ms_chap_buffer_overrun.patch @@ -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;