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-rw-r--r--meta/recipes-connectivity/openssl/openssl/CVE-2015-3194-Add-PSS-parameter-check.patch35
1 files changed, 35 insertions, 0 deletions
diff --git a/meta/recipes-connectivity/openssl/openssl/CVE-2015-3194-Add-PSS-parameter-check.patch b/meta/recipes-connectivity/openssl/openssl/CVE-2015-3194-Add-PSS-parameter-check.patch
new file mode 100644
index 0000000000..3c00bc1d0d
--- /dev/null
+++ b/meta/recipes-connectivity/openssl/openssl/CVE-2015-3194-Add-PSS-parameter-check.patch
@@ -0,0 +1,35 @@
1Date: Fri, 2 Oct 2015 13:10:29 +0100
2Subject: [PATCH] Add PSS parameter check.
3
4Avoid seg fault by checking mgf1 parameter is not NULL. This can be
5triggered during certificate verification so could be a DoS attack
6against a client or a server enabling client authentication.
7
8Thanks to Loïc Jonas Etienne (Qnective AG) for discovering this bug.
9
10CVE-2015-3194
11
12Upstream-Status: Backport
13
14Reviewed-by: Matt Caswell <matt@openssl.org>
15Signed-off-by: Sona Sarmadi <sona.sarmadi@enea.com>
16---
17 crypto/rsa/rsa_ameth.c | 2 +-
18 1 file changed, 1 insertion(+), 1 deletion(-)
19
20diff --git a/crypto/rsa/rsa_ameth.c b/crypto/rsa/rsa_ameth.c
21index 93e071d..c7f1148 100644
22--- a/crypto/rsa/rsa_ameth.c
23+++ b/crypto/rsa/rsa_ameth.c
24@@ -279,7 +279,7 @@ static RSA_PSS_PARAMS *rsa_pss_decode(const X509_ALGOR *alg,
25 if (pss->maskGenAlgorithm) {
26 ASN1_TYPE *param = pss->maskGenAlgorithm->parameter;
27 if (OBJ_obj2nid(pss->maskGenAlgorithm->algorithm) == NID_mgf1
28- && param->type == V_ASN1_SEQUENCE) {
29+ && param && param->type == V_ASN1_SEQUENCE) {
30 p = param->value.sequence->data;
31 plen = param->value.sequence->length;
32 *pmaskHash = d2i_X509_ALGOR(NULL, &p, plen);
33--
341.9.1
35