openssl: Security fix CVE-2016-2180

affects openssl < 1.0.2i

Reference:
https://www.openssl.org/news/secadv/20160922.txt

Signed-off-by: Armin Kuster <akuster@mvista.com>
Signed-off-by: Sona Sarmadi <sona.sarmadi@enea.com>
Signed-off-by: Adrian Dudau <adrian.dudau@enea.com>

2 files changed, 45 insertions, 0 deletions

diff --git a/recipes-connectivity/openssl/openssl/CVE-2016-2180.patch b/recipes-connectivity/openssl/openssl/CVE-2016-2180.patch
new file mode 100644
index 0000000..c71aaa5
--- /dev/null
+++ b/recipes-connectivity/openssl/openssl/CVE-2016-2180.patch
@@ -0,0 +1,44 @@
+From b746aa3fe05b5b5f7126df247ac3eceeb995e2a0 Mon Sep 17 00:00:00 2001
+From: "Dr. Stephen Henson" <steve@openssl.org>
+Date: Thu, 21 Jul 2016 15:24:16 +0100
+Subject: [PATCH] Fix OOB read in TS_OBJ_print_bio().
+
+TS_OBJ_print_bio() misuses OBJ_txt2obj: it should print the result
+as a null terminated buffer. The length value returned is the total
+length the complete text reprsentation would need not the amount of
+data written.
+
+CVE-2016-2180
+
+Thanks to Shi Lei for reporting this bug.
+
+Reviewed-by: Matt Caswell <matt@openssl.org>
+(cherry picked from commit 0ed26acce328ec16a3aa635f1ca37365e8c7403a)
+
+Upstream-Status: Backport
+CVE: CVE-2016-2180
+Signed-off-by: Armin Kuster <akuster@mvista.com>
+
+---
+ crypto/ts/ts_lib.c | 5 ++---
+ 1 file changed, 2 insertions(+), 3 deletions(-)
+
+diff --git a/crypto/ts/ts_lib.c b/crypto/ts/ts_lib.c
+index c51538a..e0f1063 100644
+--- a/crypto/ts/ts_lib.c
++++ b/crypto/ts/ts_lib.c
+@@ -90,9 +90,8 @@ int TS_OBJ_print_bio(BIO *bio, const ASN1_OBJECT *obj)
+ {
+     char obj_txt[128];
+ 
+-    int len = OBJ_obj2txt(obj_txt, sizeof(obj_txt), obj, 0);
+-    BIO_write(bio, obj_txt, len);
+-    BIO_write(bio, "\n", 1);
++    OBJ_obj2txt(obj_txt, sizeof(obj_txt), obj, 0);
++    BIO_printf(bio, "%s\n", obj_txt);
+ 
+     return 1;
+ }
+-- 
+2.7.4
+
diff --git a/recipes-connectivity/openssl/openssl_1.0.2h.bbappend b/recipes-connectivity/openssl/openssl_1.0.2h.bbappend
index 85d7990..ff2aa45 100644
--- a/recipes-connectivity/openssl/openssl_1.0.2h.bbappend
+++ b/recipes-connectivity/openssl/openssl_1.0.2h.bbappend
@@ -2,4 +2,5 @@ FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}:"
 
 SRC_URI += "file://CVE-2016-2178.patch \
            file://CVE-2016-2179.patch \
+           file://CVE-2016-2180.patch \
            "