aboutsummaryrefslogtreecommitdiffstats
path: root/meta/recipes-connectivity/bind/bind/CVE-2016-1285.patch
diff options
context:
space:
mode:
Diffstat (limited to 'meta/recipes-connectivity/bind/bind/CVE-2016-1285.patch')
-rw-r--r--meta/recipes-connectivity/bind/bind/CVE-2016-1285.patch141
1 files changed, 141 insertions, 0 deletions
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 00000000000..638ac2377f4
--- /dev/null
+++ b/meta/recipes-connectivity/bind/bind/CVE-2016-1285.patch
@@ -0,0 +1,141 @@
+From 31e4657cf246e41d4c5c890315cb6cf89a0db25a Mon Sep 17 00:00:00 2001
+From: Mark Andrews <marka@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)
+
+CVE: CVE-2016-1285
+Upstream-Status: Backport
+
+[Skipped CHANGES and doc/arm/notes.xml changes.]
+
+Signed-off-by: Sona Sarmadi <sona.sarmadi@enea.com>
+---
+ CHANGES | 3 +++
+ bin/named/control.c | 2 +-
+ bin/named/controlconf.c | 2 +-
+ bin/rndc/rndc.c | 8 ++++----
+ doc/arm/notes.xml | 8 ++++++++
+ lib/isccc/cc.c | 14 +++++++-------
+ 6 files changed, 24 insertions(+), 13 deletions(-)
+
+diff --git a/bin/named/control.c b/bin/named/control.c
+index 01fbe35..b1b744f 100644
+--- a/bin/named/control.c
++++ b/bin/named/control.c
+@@ -89,7 +89,7 @@ ns_control_docommand(isccc_sexpr_t *message, isc_buffer_t *text) {
+ #endif
+
+ data = isccc_alist_lookup(message, "_data");
+- if (data == NULL) {
++ if (!isccc_alist_alistp(data)) {
+ /*
+ * No data section.
+ */
+diff --git a/bin/named/controlconf.c b/bin/named/controlconf.c
+index 95feaf5..31bdc48 100644
+--- a/bin/named/controlconf.c
++++ b/bin/named/controlconf.c
+@@ -397,7 +397,7 @@ control_recvmessage(isc_task_t *task, isc_event_t *event) {
+ * 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 --git a/bin/rndc/rndc.c b/bin/rndc/rndc.c
+index c7d8fe1..ba3ac3a 100644
+--- a/bin/rndc/rndc.c
++++ b/bin/rndc/rndc.c
+@@ -249,8 +249,8 @@ rndc_recvdone(isc_task_t *task, isc_event_t *event) {
+ DO("parse message", isccc_cc_fromwire(&source, &response, &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;
+@@ -313,8 +313,8 @@ rndc_recvnonce(isc_task_t *task, isc_event_t *event) {
+ DO("parse message", isccc_cc_fromwire(&source, &response, &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 --git a/lib/isccc/cc.c b/lib/isccc/cc.c
+index 9915568..ffcd584 100644
+--- a/lib/isccc/cc.c
++++ b/lib/isccc/cc.c
+@@ -284,10 +284,10 @@ verify(isccc_sexpr_t *alist, unsigned char *data, unsigned int length,
+ * Extract digest.
+ */
+ _auth = isccc_alist_lookup(alist, "_auth");
+- if (_auth == NULL)
++ if (!isccc_alist_alistp(_auth))
+ return (ISC_R_FAILURE);
+ hmd5 = isccc_alist_lookup(_auth, "hmd5");
+- if (hmd5 == NULL)
++ if (!isccc_sexpr_binaryp(hmac))
+ return (ISC_R_FAILURE);
+ /*
+ * Compute digest.
+@@ -540,7 +540,7 @@ isccc_cc_createack(isccc_sexpr_t *message, isc_boolean_t ok,
+ 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);
+@@ -584,7 +584,7 @@ isccc_cc_isack(isccc_sexpr_t *message) {
+ 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);
+@@ -596,7 +596,7 @@ isccc_cc_isreply(isccc_sexpr_t *message) {
+ 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);
+@@ -616,7 +616,7 @@ isccc_cc_createresponse(isccc_sexpr_t *message, isccc_time_t now,
+
+ _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);
+@@ -797,7 +797,7 @@ isccc_cc_checkdup(isccc_symtab_t *symtab, isccc_sexpr_t *message,
+ 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);
+--
+1.9.1
+