From 265f875c5aeb50e2cb443315ea3674a93d7024b5 Mon Sep 17 00:00:00 2001 From: Sona Sarmadi Date: Mon, 14 Dec 2015 09:36:45 +0100 Subject: openssl: CVE-2015-3194, CVE-2015-3195 Fixes following vulnerabilities: Certificate verify crash with missing PSS parameter (CVE-2015-3194) X509_ATTRIBUTE memory leak (CVE-2015-3195) References: https://openssl.org/news/secadv/20151203.txt http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-3194 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-3195 Signed-off-by: Sona Sarmadi --- .../CVE-2015-3194-Add-PSS-parameter-check.patch | 35 ++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 meta/recipes-connectivity/openssl/openssl/CVE-2015-3194-Add-PSS-parameter-check.patch (limited to 'meta/recipes-connectivity/openssl/openssl/CVE-2015-3194-Add-PSS-parameter-check.patch') 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 @@ +Date: Fri, 2 Oct 2015 13:10:29 +0100 +Subject: [PATCH] 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 +Signed-off-by: Sona Sarmadi +--- + 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 + -- cgit v1.2.3-54-g00ecf