From 744b01090f6cf4984c11bb682693647a62103644 Mon Sep 17 00:00:00 2001 From: Sona Sarmadi Date: Mon, 26 Sep 2016 12:18:20 +0200 Subject: openssl: Security fix CVE-2016-6303 affects openssl < 1.0.2i Reference: https://www.openssl.org/news/secadv/20160922.txt Signed-off-by: Armin Kuster Signed-off-by: Sona Sarmadi Signed-off-by: Adrian Dudau --- .../openssl/openssl/CVE-2016-6303.patch | 36 ++++++++++++++++++++++ .../openssl/openssl_1.0.2h.bbappend | 1 + 2 files changed, 37 insertions(+) create mode 100644 recipes-connectivity/openssl/openssl/CVE-2016-6303.patch diff --git a/recipes-connectivity/openssl/openssl/CVE-2016-6303.patch b/recipes-connectivity/openssl/openssl/CVE-2016-6303.patch new file mode 100644 index 0000000..95bdec4 --- /dev/null +++ b/recipes-connectivity/openssl/openssl/CVE-2016-6303.patch @@ -0,0 +1,36 @@ +From 1027ad4f34c30b8585592764b9a670ba36888269 Mon Sep 17 00:00:00 2001 +From: "Dr. Stephen Henson" +Date: Fri, 19 Aug 2016 23:28:29 +0100 +Subject: [PATCH] Avoid overflow in MDC2_Update() + +Thanks to Shi Lei for reporting this issue. + +CVE-2016-6303 + +Reviewed-by: Matt Caswell +(cherry picked from commit 55d83bf7c10c7b205fffa23fa7c3977491e56c07) + +Upstream-Status: Backport +CVE: CVE-2016-6303 +Signed-off-by: Armin Kuster + +--- + crypto/mdc2/mdc2dgst.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/crypto/mdc2/mdc2dgst.c b/crypto/mdc2/mdc2dgst.c +index 6615cf8..2dce493 100644 +--- a/crypto/mdc2/mdc2dgst.c ++++ b/crypto/mdc2/mdc2dgst.c +@@ -91,7 +91,7 @@ int MDC2_Update(MDC2_CTX *c, const unsigned char *in, size_t len) + + i = c->num; + if (i != 0) { +- if (i + len < MDC2_BLOCK) { ++ if (len < MDC2_BLOCK - i) { + /* partial block */ + memcpy(&(c->data[i]), in, len); + c->num += (int)len; +-- +2.7.4 + diff --git a/recipes-connectivity/openssl/openssl_1.0.2h.bbappend b/recipes-connectivity/openssl/openssl_1.0.2h.bbappend index e07690f..528a77c 100644 --- a/recipes-connectivity/openssl/openssl_1.0.2h.bbappend +++ b/recipes-connectivity/openssl/openssl_1.0.2h.bbappend @@ -8,4 +8,5 @@ SRC_URI += "file://CVE-2016-2178.patch \ file://CVE-2016-2181_p3.patch \ file://CVE-2016-2182.patch \ file://CVE-2016-6302.patch \ + file://CVE-2016-6303.patch \ " -- cgit v1.2.3-54-g00ecf