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authorJohn Crispin <blogic@openwrt.org>2014-07-29 12:18:52 +0000
committerJohn Crispin <blogic@openwrt.org>2014-07-29 12:18:52 +0000
commitd886f030178b99fb4ce5f13e61afeb948f444e7b (patch)
tree6ddb5c7e4641720aa01809b4123a065786a29c01 /package/network/services
parent5024e2420416408801c319ef4fa9439fcdda951f (diff)
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ppp: fix a buffer overrun in the ms chap code
https://dev.openwrt.org/ticket/17296 Signed-off-by: John Crispin <blogic@openwrt.org> git-svn-id: svn://svn.openwrt.org/openwrt/trunk@41882 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'package/network/services')
-rw-r--r--package/network/services/ppp/patches/520-ms_chap_buffer_overrun.patch13
1 files changed, 13 insertions, 0 deletions
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 0000000000..acbf33b65a
--- /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;