diff options
Diffstat (limited to 'meta/recipes-connectivity/openssl/openssl/CVE-2015-3194-Add-PSS-parameter-check.patch')
| -rw-r--r-- | meta/recipes-connectivity/openssl/openssl/CVE-2015-3194-Add-PSS-parameter-check.patch | 37 |
1 files changed, 37 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..a6697caa88 --- /dev/null +++ b/meta/recipes-connectivity/openssl/openssl/CVE-2015-3194-Add-PSS-parameter-check.patch @@ -0,0 +1,37 @@ +From d8541d7e9e63bf5f343af24644046c8d96498c17 Mon Sep 17 00:00:00 2001 +From: "Dr. Stephen Henson" <steve@openssl.org> +Date: Fri, 2 Oct 2015 13:10:29 +0100 +Subject:Add PSS parameter check. + +Avoid seg fault by checking mgf1 parameter is not NULL. This can be +triggered during certificate verification so could be a DoS attack +against a client or a server enabling client authentication. + +Thanks to Loïc Jonas Etienne (Qnective AG) for discovering this bug. + +CVE-2015-3194 + +Upstream-Status: Backport + +Reviewed-by: Matt Caswell <matt@openssl.org> +Signed-off-by: Sona Sarmadi <sona.sarmadi@enea.com> +--- + crypto/rsa/rsa_ameth.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/crypto/rsa/rsa_ameth.c b/crypto/rsa/rsa_ameth.c +index 93e071d..c7f1148 100644 +--- a/crypto/rsa/rsa_ameth.c ++++ b/crypto/rsa/rsa_ameth.c +@@ -279,7 +279,7 @@ static RSA_PSS_PARAMS *rsa_pss_decode(const X509_ALGOR *alg, + if (pss->maskGenAlgorithm) { + ASN1_TYPE *param = pss->maskGenAlgorithm->parameter; + if (OBJ_obj2nid(pss->maskGenAlgorithm->algorithm) == NID_mgf1 +- && param->type == V_ASN1_SEQUENCE) { ++ && param && param->type == V_ASN1_SEQUENCE) { + p = param->value.sequence->data; + plen = param->value.sequence->length; + *pmaskHash = d2i_X509_ALGOR(NULL, &p, plen); +-- +1.9.1 + |