[OE-core] [PATCH 4/6] bind: CVE-2016-1285 CVE-2016-1286
Robert Yang
liezhi.yang at windriver.com
Mon Apr 25 01:10:36 UTC 2016
From: Sona Sarmadi <sona.sarmadi at enea.com>
CVE-2016-1285 bind: malformed packet sent to rndc can trigger assertion failure
CVE-2016-1286 bind: malformed signature records for DNAME records can
trigger assertion failure
[YOCTO #9400]
External References:
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-1285
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-1286
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-1285
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-1286
References to the Upstream commits and Security Advisories:
CVE-2016-1285: https://kb.isc.org/article/AA-01352
https://source.isc.org/cgi-bin/gitweb.cgi?p=bind9.git;a=patch;
h=e7e15d1302b26a96fa0a5307d6f2cb0d8ad4ea63
CVE-2016-1286: https://kb.isc.org/article/AA-01353
https://source.isc.org/cgi-bin/gitweb.cgi?p=bind9.git;a=patch;
h=456e1eadd2a3a2fb9617e60d4db90ef4ba7c6ba3
https://source.isc.org/cgi-bin/gitweb.cgi?p=bind9.git;a=patch;
h=499952eb459c9a41d2092f1d98899c131f9103b2
Signed-off-by: Sona Sarmadi <sona.sarmadi at enea.com>
Signed-off-by: Robert Yang <liezhi.yang at windriver.com>
---
.../bind/bind/CVE-2016-1285.patch | 138 +++++++++
.../bind/bind/CVE-2016-1286_1.patch | 79 +++++
.../bind/bind/CVE-2016-1286_2.patch | 318 +++++++++++++++++++++
meta/recipes-connectivity/bind/bind_9.10.2-P4.bb | 3 +
4 files changed, 538 insertions(+)
create mode 100644 meta/recipes-connectivity/bind/bind/CVE-2016-1285.patch
create mode 100644 meta/recipes-connectivity/bind/bind/CVE-2016-1286_1.patch
create mode 100644 meta/recipes-connectivity/bind/bind/CVE-2016-1286_2.patch
diff --git a/meta/recipes-connectivity/bind/bind/CVE-2016-1285.patch b/meta/recipes-connectivity/bind/bind/CVE-2016-1285.patch
new file mode 100644
index 0000000..f73f642
--- /dev/null
+++ b/meta/recipes-connectivity/bind/bind/CVE-2016-1285.patch
@@ -0,0 +1,138 @@
+From e7e15d1302b26a96fa0a5307d6f2cb0d8ad4ea63 Mon Sep 17 00:00:00 2001
+From: Mark Andrews <marka at isc.org>
+Date: Thu, 18 Feb 2016 12:11:27 +1100
+Subject: [PATCH] 4318. [security] Malformed control messages can
+trigger assertions in named and rndc. (CVE-2016-1285) [RT #41666]
+
+(cherry picked from commit a2b15b3305acd52179e6f3dc7d073b07fbc40b8e)
+
+Hand applied Changelog changes.
+
+CVE: CVE-2016-1285
+Upstream-Status: Backport
+
+Signed-off-by: Sona Sarmadi <sona.sarmadi at enea.com>
+---
+diff -ruN a/bin/named/control.c b/bin/named/control.c
+--- a/bin/named/control.c 2015-08-15 02:28:49.000000000 +0200
++++ b/bin/named/control.c 2016-04-11 09:38:20.940827528 +0200
+@@ -69,7 +69,7 @@
+ #endif
+
+ data = isccc_alist_lookup(message, "_data");
+- if (data == NULL) {
++ if (!isccc_alist_alistp(data)) {
+ /*
+ * No data section.
+ */
+diff -ruN a/bin/named/controlconf.c b/bin/named/controlconf.c
+--- a/bin/named/controlconf.c 2015-08-15 02:28:49.000000000 +0200
++++ b/bin/named/controlconf.c 2016-04-11 09:38:20.944827355 +0200
+@@ -402,7 +402,7 @@
+ * Limit exposure to replay attacks.
+ */
+ _ctrl = isccc_alist_lookup(request, "_ctrl");
+- if (_ctrl == NULL) {
++ if (!isccc_alist_alistp(_ctrl)) {
+ log_invalid(&conn->ccmsg, ISC_R_FAILURE);
+ goto cleanup_request;
+ }
+diff -ruN a/bin/rndc/rndc.c b/bin/rndc/rndc.c
+--- a/bin/rndc/rndc.c 2015-08-15 02:28:49.000000000 +0200
++++ b/bin/rndc/rndc.c 2016-04-11 09:38:20.944827355 +0200
+@@ -254,8 +254,8 @@
+ isccc_cc_fromwire(&source, &response, algorithm, &secret));
+
+ data = isccc_alist_lookup(response, "_data");
+- if (data == NULL)
+- fatal("no data section in response");
++ if (!isccc_alist_alistp(data))
++ fatal("bad or missing data section in response");
+ result = isccc_cc_lookupstring(data, "err", &errormsg);
+ if (result == ISC_R_SUCCESS) {
+ failed = ISC_TRUE;
+@@ -320,8 +320,8 @@
+ isccc_cc_fromwire(&source, &response, algorithm, &secret));
+
+ _ctrl = isccc_alist_lookup(response, "_ctrl");
+- if (_ctrl == NULL)
+- fatal("_ctrl section missing");
++ if (!isccc_alist_alistp(_ctrl))
++ fatal("bad or missing ctrl section in response");
+ nonce = 0;
+ if (isccc_cc_lookupuint32(_ctrl, "_nonce", &nonce) != ISC_R_SUCCESS)
+ nonce = 0;
+diff -ruN a/CHANGES b/CHANGES
+--- a/CHANGES 2016-04-11 09:36:08.546578759 +0200
++++ b/CHANGES 2016-04-11 09:39:59.356552273 +0200
+@@ -1,3 +1,6 @@
++4318. [security] Malformed control messages can trigger assertions
++ in named and rndc. (CVE-2016-1285) [RT #41666]
++
+ 4146. [bug] Address reference leak that could prevent a clean
+ shutdown. [RT #37125]
+
+diff -ruN a/lib/isccc/cc.c b/lib/isccc/cc.c
+--- a/lib/isccc/cc.c 2015-08-15 02:28:49.000000000 +0200
++++ b/lib/isccc/cc.c 2016-04-11 09:38:20.944827355 +0200
+@@ -403,13 +403,13 @@
+ * Extract digest.
+ */
+ _auth = isccc_alist_lookup(alist, "_auth");
+- if (_auth == NULL)
++ if (!isccc_alist_alistp(_auth))
+ return (ISC_R_FAILURE);
+ if (algorithm == ISCCC_ALG_HMACMD5)
+ hmac = isccc_alist_lookup(_auth, "hmd5");
+ else
+ hmac = isccc_alist_lookup(_auth, "hsha");
+- if (hmac == NULL)
++ if (!isccc_sexpr_binaryp(hmac))
+ return (ISC_R_FAILURE);
+ /*
+ * Compute digest.
+@@ -728,7 +728,7 @@
+ REQUIRE(ackp != NULL && *ackp == NULL);
+
+ _ctrl = isccc_alist_lookup(message, "_ctrl");
+- if (_ctrl == NULL ||
++ if (!isccc_alist_alistp(_ctrl) ||
+ isccc_cc_lookupuint32(_ctrl, "_ser", &serial) != ISC_R_SUCCESS ||
+ isccc_cc_lookupuint32(_ctrl, "_tim", &t) != ISC_R_SUCCESS)
+ return (ISC_R_FAILURE);
+@@ -773,7 +773,7 @@
+ isccc_sexpr_t *_ctrl;
+
+ _ctrl = isccc_alist_lookup(message, "_ctrl");
+- if (_ctrl == NULL)
++ if (!isccc_alist_alistp(_ctrl))
+ return (ISC_FALSE);
+ if (isccc_cc_lookupstring(_ctrl, "_ack", NULL) == ISC_R_SUCCESS)
+ return (ISC_TRUE);
+@@ -786,7 +786,7 @@
+ isccc_sexpr_t *_ctrl;
+
+ _ctrl = isccc_alist_lookup(message, "_ctrl");
+- if (_ctrl == NULL)
++ if (!isccc_alist_alistp(_ctrl))
+ return (ISC_FALSE);
+ if (isccc_cc_lookupstring(_ctrl, "_rpl", NULL) == ISC_R_SUCCESS)
+ return (ISC_TRUE);
+@@ -806,7 +806,7 @@
+
+ _ctrl = isccc_alist_lookup(message, "_ctrl");
+ _data = isccc_alist_lookup(message, "_data");
+- if (_ctrl == NULL || _data == NULL ||
++ if (!isccc_alist_alistp(_ctrl) || !isccc_alist_alistp(_data) ||
+ isccc_cc_lookupuint32(_ctrl, "_ser", &serial) != ISC_R_SUCCESS ||
+ isccc_cc_lookupstring(_data, "type", &type) != ISC_R_SUCCESS)
+ return (ISC_R_FAILURE);
+@@ -995,7 +995,7 @@
+ isccc_sexpr_t *_ctrl;
+
+ _ctrl = isccc_alist_lookup(message, "_ctrl");
+- if (_ctrl == NULL ||
++ if (!isccc_alist_alistp(_ctrl) ||
+ isccc_cc_lookupstring(_ctrl, "_ser", &_ser) != ISC_R_SUCCESS ||
+ isccc_cc_lookupstring(_ctrl, "_tim", &_tim) != ISC_R_SUCCESS)
+ return (ISC_R_FAILURE);
diff --git a/meta/recipes-connectivity/bind/bind/CVE-2016-1286_1.patch b/meta/recipes-connectivity/bind/bind/CVE-2016-1286_1.patch
new file mode 100644
index 0000000..5002147
--- /dev/null
+++ b/meta/recipes-connectivity/bind/bind/CVE-2016-1286_1.patch
@@ -0,0 +1,79 @@
+From 456e1eadd2a3a2fb9617e60d4db90ef4ba7c6ba3 Mon Sep 17 00:00:00 2001
+From: Mukund Sivaraman <muks at isc.org>
+Date: Mon, 22 Feb 2016 12:22:43 +0530
+Subject: [PATCH] Fix resolver assertion failure due to improper DNAME handling
+ (CVE-2016-1286) (#41753)
+
+(cherry picked from commit 5995fec51cc8bb7e53804e4936e60aa1537f3673)
+
+Hand applied Changelog changes.
+
+CVE: CVE-2016-1286
+Upstream-Status: Backport
+
+Signed-off-by: Sona Sarmadi <sona.sarmadi at enea.com>
+---
+diff -ruN a/CHANGES b/CHANGES
+--- a/CHANGES 2016-04-11 09:46:42.075057394 +0200
++++ b/CHANGES 2016-04-11 09:44:21.857148819 +0200
+@@ -1,3 +1,7 @@
++4319. [security] Fix resolver assertion failure due to improper
++ DNAME handling when parsing fetch reply messages.
++ (CVE-2016-1286) [RT #41753]
++
+ 4318. [security] Malformed control messages can trigger assertions
+ in named and rndc. (CVE-2016-1285) [RT #41666]
+
+diff -ruN a/lib/dns/resolver.c b/lib/dns/resolver.c
+--- a/lib/dns/resolver.c 2016-04-11 09:36:08.550578585 +0200
++++ b/lib/dns/resolver.c 2016-04-11 09:43:23.091701714 +0200
+@@ -6634,21 +6634,26 @@
+ isc_boolean_t found_dname = ISC_FALSE;
+ dns_name_t *dname_name;
+
++ /*
++ * Only pass DNAME or RRSIG(DNAME).
++ */
++ if (rdataset->type != dns_rdatatype_dname &&
++ (rdataset->type != dns_rdatatype_rrsig ||
++ rdataset->covers != dns_rdatatype_dname))
++ continue;
++
++ /*
++ * If we're not chaining, then the DNAME and
++ * its signature should not be external.
++ */
++ if (!chaining && external) {
++ log_formerr(fctx, "external DNAME");
++ return (DNS_R_FORMERR);
++ }
++
+ found = ISC_FALSE;
+ aflag = 0;
+ if (rdataset->type == dns_rdatatype_dname) {
+- /*
+- * We're looking for something else,
+- * but we found a DNAME.
+- *
+- * If we're not chaining, then the
+- * DNAME should not be external.
+- */
+- if (!chaining && external) {
+- log_formerr(fctx,
+- "external DNAME");
+- return (DNS_R_FORMERR);
+- }
+ found = ISC_TRUE;
+ want_chaining = ISC_TRUE;
+ POST(want_chaining);
+@@ -6677,9 +6682,7 @@
+ &fctx->domain)) {
+ return (DNS_R_SERVFAIL);
+ }
+- } else if (rdataset->type == dns_rdatatype_rrsig
+- && rdataset->covers ==
+- dns_rdatatype_dname) {
++ } else {
+ /*
+ * We've found a signature that
+ * covers the DNAME.
diff --git a/meta/recipes-connectivity/bind/bind/CVE-2016-1286_2.patch b/meta/recipes-connectivity/bind/bind/CVE-2016-1286_2.patch
new file mode 100644
index 0000000..3ca76b9
--- /dev/null
+++ b/meta/recipes-connectivity/bind/bind/CVE-2016-1286_2.patch
@@ -0,0 +1,318 @@
+From 499952eb459c9a41d2092f1d98899c131f9103b2 Mon Sep 17 00:00:00 2001
+From: Mark Andrews <marka at isc.org>
+Date: Mon, 29 Feb 2016 07:16:48 +1100
+Subject: [PATCH] Part 2 of: 4319.[security] Fix resolver assertion
+failure due to improper DNAME handling when parsing fetch reply messages.
+(CVE-2016-1286) [RT #41753]
+
+(cherry picked from commit 2de89ee9de8c8da9dc153a754b02dcdbb7fe2374)
+
+CVE: CVE-2016-1286 [part 2]
+Upstream-Status: Backport
+
+Signed-off-by: Sona Sarmadi <sona.sarmadi at enea.com>
+---
+ lib/dns/resolver.c | 192 ++++++++++++++++++++++++++---------------------------
+ 1 file changed, 93 insertions(+), 99 deletions(-)
+
+diff --git a/lib/dns/resolver.c b/lib/dns/resolver.c
+index 23d636b..fbc0af0 100644
+--- a/lib/dns/resolver.c
++++ b/lib/dns/resolver.c
+@@ -6088,14 +6088,11 @@ cname_target(dns_rdataset_t *rdataset, dns_name_t *tname) {
+ }
+
+ static inline isc_result_t
+-dname_target(fetchctx_t *fctx, dns_rdataset_t *rdataset, dns_name_t *qname,
+- dns_name_t *oname, dns_fixedname_t *fixeddname)
++dname_target(dns_rdataset_t *rdataset, dns_name_t *qname,
++ unsigned int nlabels, dns_fixedname_t *fixeddname)
+ {
+ isc_result_t result;
+ dns_rdata_t rdata = DNS_RDATA_INIT;
+- unsigned int nlabels;
+- int order;
+- dns_namereln_t namereln;
+ dns_rdata_dname_t dname;
+ dns_fixedname_t prefix;
+
+@@ -6110,21 +6107,6 @@ dname_target(fetchctx_t *fctx, dns_rdataset_t *rdataset, dns_name_t *qname,
+ if (result != ISC_R_SUCCESS)
+ return (result);
+
+- /*
+- * Get the prefix of qname.
+- */
+- namereln = dns_name_fullcompare(qname, oname, &order, &nlabels);
+- if (namereln != dns_namereln_subdomain) {
+- char qbuf[DNS_NAME_FORMATSIZE];
+- char obuf[DNS_NAME_FORMATSIZE];
+-
+- dns_rdata_freestruct(&dname);
+- dns_name_format(qname, qbuf, sizeof(qbuf));
+- dns_name_format(oname, obuf, sizeof(obuf));
+- log_formerr(fctx, "unrelated DNAME in answer: "
+- "%s is not in %s", qbuf, obuf);
+- return (DNS_R_FORMERR);
+- }
+ dns_fixedname_init(&prefix);
+ dns_name_split(qname, nlabels, dns_fixedname_name(&prefix), NULL);
+ dns_fixedname_init(fixeddname);
+@@ -6750,13 +6732,13 @@ static isc_result_t
+ answer_response(fetchctx_t *fctx) {
+ isc_result_t result;
+ dns_message_t *message;
+- dns_name_t *name, *qname, tname, *ns_name;
++ dns_name_t *name, *dname, *qname, tname, *ns_name;
+ dns_rdataset_t *rdataset, *ns_rdataset;
+ isc_boolean_t done, external, chaining, aa, found, want_chaining;
+ isc_boolean_t have_answer, found_cname, found_type, wanted_chaining;
+ unsigned int aflag;
+ dns_rdatatype_t type;
+- dns_fixedname_t dname, fqname;
++ dns_fixedname_t fdname, fqname;
+ dns_view_t *view;
+
+ FCTXTRACE("answer_response");
+@@ -6784,10 +6766,15 @@ answer_response(fetchctx_t *fctx) {
+ view = fctx->res->view;
+ result = dns_message_firstname(message, DNS_SECTION_ANSWER);
+ while (!done && result == ISC_R_SUCCESS) {
++ dns_namereln_t namereln;
++ int order;
++ unsigned int nlabels;
++
+ name = NULL;
+ dns_message_currentname(message, DNS_SECTION_ANSWER, &name);
+ external = ISC_TF(!dns_name_issubdomain(name, &fctx->domain));
+- if (dns_name_equal(name, qname)) {
++ namereln = dns_name_fullcompare(qname, name, &order, &nlabels);
++ if (namereln == dns_namereln_equal) {
+ wanted_chaining = ISC_FALSE;
+ for (rdataset = ISC_LIST_HEAD(name->list);
+ rdataset != NULL;
+@@ -6912,10 +6899,11 @@ answer_response(fetchctx_t *fctx) {
+ */
+ INSIST(!external);
+ if (aflag ==
+- DNS_RDATASETATTR_ANSWER)
++ DNS_RDATASETATTR_ANSWER) {
+ have_answer = ISC_TRUE;
+- name->attributes |=
+- DNS_NAMEATTR_ANSWER;
++ name->attributes |=
++ DNS_NAMEATTR_ANSWER;
++ }
+ rdataset->attributes |= aflag;
+ if (aa)
+ rdataset->trust =
+@@ -6970,6 +6958,8 @@ answer_response(fetchctx_t *fctx) {
+ if (wanted_chaining)
+ chaining = ISC_TRUE;
+ } else {
++ dns_rdataset_t *dnameset = NULL;
++
+ /*
+ * Look for a DNAME (or its SIG). Anything else is
+ * ignored.
+@@ -6977,10 +6967,8 @@ answer_response(fetchctx_t *fctx) {
+ wanted_chaining = ISC_FALSE;
+ for (rdataset = ISC_LIST_HEAD(name->list);
+ rdataset != NULL;
+- rdataset = ISC_LIST_NEXT(rdataset, link)) {
+- isc_boolean_t found_dname = ISC_FALSE;
+- dns_name_t *dname_name;
+-
++ rdataset = ISC_LIST_NEXT(rdataset, link))
++ {
+ /*
+ * Only pass DNAME or RRSIG(DNAME).
+ */
+@@ -6994,20 +6982,41 @@ answer_response(fetchctx_t *fctx) {
+ * its signature should not be external.
+ */
+ if (!chaining && external) {
+- log_formerr(fctx, "external DNAME");
++ char qbuf[DNS_NAME_FORMATSIZE];
++ char obuf[DNS_NAME_FORMATSIZE];
++
++ dns_name_format(name, qbuf,
++ sizeof(qbuf));
++ dns_name_format(&fctx->domain, obuf,
++ sizeof(obuf));
++ log_formerr(fctx, "external DNAME or "
++ "RRSIG covering DNAME "
++ "in answer: %s is "
++ "not in %s", qbuf, obuf);
++ return (DNS_R_FORMERR);
++ }
++
++ if (namereln != dns_namereln_subdomain) {
++ char qbuf[DNS_NAME_FORMATSIZE];
++ char obuf[DNS_NAME_FORMATSIZE];
++
++ dns_name_format(qname, qbuf,
++ sizeof(qbuf));
++ dns_name_format(name, obuf,
++ sizeof(obuf));
++ log_formerr(fctx, "unrelated DNAME "
++ "in answer: %s is "
++ "not in %s", qbuf, obuf);
+ return (DNS_R_FORMERR);
+ }
+
+- found = ISC_FALSE;
+ aflag = 0;
+ if (rdataset->type == dns_rdatatype_dname) {
+- found = ISC_TRUE;
+ want_chaining = ISC_TRUE;
+ POST(want_chaining);
+ aflag = DNS_RDATASETATTR_ANSWER;
+- result = dname_target(fctx, rdataset,
+- qname, name,
+- &dname);
++ result = dname_target(rdataset, qname,
++ nlabels, &fdname);
+ if (result == ISC_R_NOSPACE) {
+ /*
+ * We can't construct the
+@@ -7019,14 +7028,12 @@ answer_response(fetchctx_t *fctx) {
+ } else if (result != ISC_R_SUCCESS)
+ return (result);
+ else
+- found_dname = ISC_TRUE;
++ dnameset = rdataset;
+
+- dname_name = dns_fixedname_name(&dname);
++ dname = dns_fixedname_name(&fdname);
+ if (!is_answertarget_allowed(view,
+- qname,
+- rdataset->type,
+- dname_name,
+- &fctx->domain)) {
++ qname, rdataset->type,
++ dname, &fctx->domain)) {
+ return (DNS_R_SERVFAIL);
+ }
+ } else {
+@@ -7034,73 +7041,60 @@ answer_response(fetchctx_t *fctx) {
+ * We've found a signature that
+ * covers the DNAME.
+ */
+- found = ISC_TRUE;
+ aflag = DNS_RDATASETATTR_ANSWERSIG;
+ }
+
+- if (found) {
++ /*
++ * We've found an answer to our
++ * question.
++ */
++ name->attributes |= DNS_NAMEATTR_CACHE;
++ rdataset->attributes |= DNS_RDATASETATTR_CACHE;
++ rdataset->trust = dns_trust_answer;
++ if (!chaining) {
+ /*
+- * We've found an answer to our
+- * question.
++ * This data is "the" answer to
++ * our question only if we're
++ * not chaining.
+ */
+- name->attributes |=
+- DNS_NAMEATTR_CACHE;
+- rdataset->attributes |=
+- DNS_RDATASETATTR_CACHE;
+- rdataset->trust = dns_trust_answer;
+- if (!chaining) {
+- /*
+- * This data is "the" answer
+- * to our question only if
+- * we're not chaining.
+- */
+- INSIST(!external);
+- if (aflag ==
+- DNS_RDATASETATTR_ANSWER)
+- have_answer = ISC_TRUE;
++ INSIST(!external);
++ if (aflag == DNS_RDATASETATTR_ANSWER) {
++ have_answer = ISC_TRUE;
+ name->attributes |=
+ DNS_NAMEATTR_ANSWER;
+- rdataset->attributes |= aflag;
+- if (aa)
+- rdataset->trust =
+- dns_trust_authanswer;
+- } else if (external) {
+- rdataset->attributes |=
+- DNS_RDATASETATTR_EXTERNAL;
+- }
+-
+- /*
+- * DNAME chaining.
+- */
+- if (found_dname) {
+- /*
+- * Copy the dname into the
+- * qname fixed name.
+- *
+- * Although we check for
+- * failure of the copy
+- * operation, in practice it
+- * should never fail since
+- * we already know that the
+- * result fits in a fixedname.
+- */
+- dns_fixedname_init(&fqname);
+- result = dns_name_copy(
+- dns_fixedname_name(&dname),
+- dns_fixedname_name(&fqname),
+- NULL);
+- if (result != ISC_R_SUCCESS)
+- return (result);
+- wanted_chaining = ISC_TRUE;
+- name->attributes |=
+- DNS_NAMEATTR_CHAINING;
+- rdataset->attributes |=
+- DNS_RDATASETATTR_CHAINING;
+- qname = dns_fixedname_name(
+- &fqname);
+ }
++ rdataset->attributes |= aflag;
++ if (aa)
++ rdataset->trust =
++ dns_trust_authanswer;
++ } else if (external) {
++ rdataset->attributes |=
++ DNS_RDATASETATTR_EXTERNAL;
+ }
+ }
++
++ /*
++ * DNAME chaining.
++ */
++ if (dnameset != NULL) {
++ /*
++ * Copy the dname into the qname fixed name.
++ *
++ * Although we check for failure of the copy
++ * operation, in practice it should never fail
++ * since we already know that the result fits
++ * in a fixedname.
++ */
++ dns_fixedname_init(&fqname);
++ qname = dns_fixedname_name(&fqname);
++ result = dns_name_copy(dname, qname, NULL);
++ if (result != ISC_R_SUCCESS)
++ return (result);
++ wanted_chaining = ISC_TRUE;
++ name->attributes |= DNS_NAMEATTR_CHAINING;
++ dnameset->attributes |=
++ DNS_RDATASETATTR_CHAINING;
++ }
+ if (wanted_chaining)
+ chaining = ISC_TRUE;
+ }
+--
+1.9.1
+
diff --git a/meta/recipes-connectivity/bind/bind_9.10.2-P4.bb b/meta/recipes-connectivity/bind/bind_9.10.2-P4.bb
index 19f87d7..f1951a0 100644
--- a/meta/recipes-connectivity/bind/bind_9.10.2-P4.bb
+++ b/meta/recipes-connectivity/bind/bind_9.10.2-P4.bb
@@ -25,6 +25,9 @@ SRC_URI = "ftp://ftp.isc.org/isc/bind9/${PV}/${BPN}-${PV}.tar.gz \
file://CVE-2015-8705.patch \
file://CVE-2015-8000.patch \
file://CVE-2015-8461.patch \
+ file://CVE-2016-1285.patch \
+ file://CVE-2016-1286_1.patch \
+ file://CVE-2016-1286_2.patch \
"
SRC_URI[md5sum] = "8b1f5064837756c938eadc1537dec5c7"
--
2.8.0
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