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authorJohn Crispin <john@openwrt.org>2014-07-29 12:18:52 +0000
committerJohn Crispin <john@openwrt.org>2014-07-29 12:18:52 +0000
commit8d3f839da7387bcd14f809e80f7da20d0a5e6d29 (patch)
treee378701bf8cf30efa0bd711de0ca08141ed6ee27 /package
parent5fa9048011c5b091b010c180248d82455835a968 (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> SVN-Revision: 41882
Diffstat (limited to 'package')
-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;