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-rw-r--r--external/meta-openembedded/meta-networking/recipes-support/ipsec-tools/ipsec-tools/fix-CVE-2016-10396.patch207
1 files changed, 0 insertions, 207 deletions
diff --git a/external/meta-openembedded/meta-networking/recipes-support/ipsec-tools/ipsec-tools/fix-CVE-2016-10396.patch b/external/meta-openembedded/meta-networking/recipes-support/ipsec-tools/ipsec-tools/fix-CVE-2016-10396.patch
deleted file mode 100644
index bd079655..00000000
--- a/external/meta-openembedded/meta-networking/recipes-support/ipsec-tools/ipsec-tools/fix-CVE-2016-10396.patch
+++ /dev/null
@@ -1,207 +0,0 @@
-Upstream-Status: Backport [https://anonscm.debian.org/cgit/pkg-ipsec-tools/pkg-ipsec-tools.git/plain/debian/patches/CVE-2016-10396.patch?id=62ac12648a4eb7c5ba5dba0f81998d1acf310d8b]
-
-Fix CVE-2016-10396.
-
-Signed-off-by: Kai Kang <kai.kang@windriver.com>
----
-Description: Fix remotely exploitable DoS. http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-10396
-Source: vendor; https://gnats.netbsd.org/cgi-bin/query-pr-single.pl?number=51682
-Bug-debian: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=867986
-
-Index: pkg-ipsec-tools/src/racoon/isakmp_frag.c
-===================================================================
---- pkg-ipsec-tools.orig/src/racoon/isakmp_frag.c
-+++ pkg-ipsec-tools/src/racoon/isakmp_frag.c
-@@ -1,4 +1,4 @@
--/* $NetBSD: isakmp_frag.c,v 1.5 2009/04/22 11:24:20 tteras Exp $ */
-+/* $NetBSD: isakmp_frag.c,v 1.5.36.1 2017/04/21 16:50:42 bouyer Exp $ */
-
- /* Id: isakmp_frag.c,v 1.4 2004/11/13 17:31:36 manubsd Exp */
-
-@@ -173,6 +173,43 @@ vendorid_frag_cap(gen)
- return ntohl(hp[MD5_DIGEST_LENGTH / sizeof(*hp)]);
- }
-
-+static int
-+isakmp_frag_insert(struct ph1handle *iph1, struct isakmp_frag_item *item)
-+{
-+ struct isakmp_frag_item *pitem = NULL;
-+ struct isakmp_frag_item *citem = iph1->frag_chain;
-+
-+ /* no frag yet, just insert at beginning of list */
-+ if (iph1->frag_chain == NULL) {
-+ iph1->frag_chain = item;
-+ return 0;
-+ }
-+
-+ do {
-+ /* duplicate fragment number, abort (CVE-2016-10396) */
-+ if (citem->frag_num == item->frag_num)
-+ return -1;
-+
-+ /* need to insert before current item */
-+ if (citem->frag_num > item->frag_num) {
-+ if (pitem != NULL)
-+ pitem->frag_next = item;
-+ else
-+ /* insert at the beginning of the list */
-+ iph1->frag_chain = item;
-+ item->frag_next = citem;
-+ return 0;
-+ }
-+
-+ pitem = citem;
-+ citem = citem->frag_next;
-+ } while (citem != NULL);
-+
-+ /* we reached the end of the list, insert */
-+ pitem->frag_next = item;
-+ return 0;
-+}
-+
- int
- isakmp_frag_extract(iph1, msg)
- struct ph1handle *iph1;
-@@ -224,39 +261,43 @@ isakmp_frag_extract(iph1, msg)
- item->frag_next = NULL;
- item->frag_packet = buf;
-
-- /* Look for the last frag while inserting the new item in the chain */
-- if (item->frag_last)
-- last_frag = item->frag_num;
-+ /* Check for the last frag before inserting the new item in the chain */
-+ if (item->frag_last) {
-+ /* if we have the last fragment, indices must match */
-+ if (iph1->frag_last_index != 0 &&
-+ item->frag_last != iph1->frag_last_index) {
-+ plog(LLV_ERROR, LOCATION, NULL,
-+ "Repeated last fragment index mismatch\n");
-+ racoon_free(item);
-+ vfree(buf);
-+ return -1;
-+ }
-
-- if (iph1->frag_chain == NULL) {
-- iph1->frag_chain = item;
-- } else {
-- struct isakmp_frag_item *current;
-+ last_frag = iph1->frag_last_index = item->frag_num;
-+ }
-
-- current = iph1->frag_chain;
-- while (current->frag_next) {
-- if (current->frag_last)
-- last_frag = item->frag_num;
-- current = current->frag_next;
-- }
-- current->frag_next = item;
-+ /* insert fragment into chain */
-+ if (isakmp_frag_insert(iph1, item) == -1) {
-+ plog(LLV_ERROR, LOCATION, NULL,
-+ "Repeated fragment index mismatch\n");
-+ racoon_free(item);
-+ vfree(buf);
-+ return -1;
- }
-
-- /* If we saw the last frag, check if the chain is complete */
-+ /* If we saw the last frag, check if the chain is complete
-+ * we have a sorted list now, so just walk through */
- if (last_frag != 0) {
-+ item = iph1->frag_chain;
- for (i = 1; i <= last_frag; i++) {
-- item = iph1->frag_chain;
-- do {
-- if (item->frag_num == i)
-- break;
-- item = item->frag_next;
-- } while (item != NULL);
--
-+ if (item->frag_num != i)
-+ break;
-+ item = item->frag_next;
- if (item == NULL) /* Not found */
- break;
- }
-
-- if (item != NULL) /* It is complete */
-+ if (i > last_frag) /* It is complete */
- return 1;
- }
-
-@@ -291,15 +332,9 @@ isakmp_frag_reassembly(iph1)
- }
- data = buf->v;
-
-+ item = iph1->frag_chain;
- for (i = 1; i <= frag_count; i++) {
-- item = iph1->frag_chain;
-- do {
-- if (item->frag_num == i)
-- break;
-- item = item->frag_next;
-- } while (item != NULL);
--
-- if (item == NULL) {
-+ if (item->frag_num != i) {
- plog(LLV_ERROR, LOCATION, NULL,
- "Missing fragment #%d\n", i);
- vfree(buf);
-@@ -308,6 +343,7 @@ isakmp_frag_reassembly(iph1)
- }
- memcpy(data, item->frag_packet->v, item->frag_packet->l);
- data += item->frag_packet->l;
-+ item = item->frag_next;
- }
-
- out:
-Index: pkg-ipsec-tools/src/racoon/isakmp_inf.c
-===================================================================
---- pkg-ipsec-tools.orig/src/racoon/isakmp_inf.c
-+++ pkg-ipsec-tools/src/racoon/isakmp_inf.c
-@@ -720,6 +720,7 @@ isakmp_info_send_nx(isakmp, remote, loca
- #endif
- #ifdef ENABLE_FRAG
- iph1->frag = 0;
-+ iph1->frag_last_index = 0;
- iph1->frag_chain = NULL;
- #endif
-
-Index: pkg-ipsec-tools/src/racoon/isakmp.c
-===================================================================
---- pkg-ipsec-tools.orig/src/racoon/isakmp.c
-+++ pkg-ipsec-tools/src/racoon/isakmp.c
-@@ -1072,6 +1072,7 @@ isakmp_ph1begin_i(rmconf, remote, local)
- iph1->frag = 1;
- else
- iph1->frag = 0;
-+ iph1->frag_last_index = 0;
- iph1->frag_chain = NULL;
- #endif
- iph1->approval = NULL;
-@@ -1176,6 +1177,7 @@ isakmp_ph1begin_r(msg, remote, local, et
- #endif
- #ifdef ENABLE_FRAG
- iph1->frag = 0;
-+ iph1->frag_last_index = 0;
- iph1->frag_chain = NULL;
- #endif
- iph1->approval = NULL;
-Index: pkg-ipsec-tools/src/racoon/handler.h
-===================================================================
---- pkg-ipsec-tools.orig/src/racoon/handler.h
-+++ pkg-ipsec-tools/src/racoon/handler.h
-@@ -1,4 +1,4 @@
--/* $NetBSD: handler.h,v 1.25 2010/11/17 10:40:41 tteras Exp $ */
-+/* $NetBSD: handler.h,v 1.26 2017/01/24 19:23:56 christos Exp $ */
-
- /* Id: handler.h,v 1.19 2006/02/25 08:25:12 manubsd Exp */
-
-@@ -141,6 +141,7 @@ struct ph1handle {
- #endif
- #ifdef ENABLE_FRAG
- int frag; /* IKE phase 1 fragmentation */
-+ int frag_last_index;
- struct isakmp_frag_item *frag_chain; /* Received fragments */
- #endif
-