[gnome-continuous-yocto/gnomeostree-3.22-krogoth: 42/246] curl: security fix for CVE-2016-7141



commit 6175bd0930e726a81facc394b39956b1aa58e674
Author: Sona Sarmadi <sona sarmadi enea com>
Date:   Thu Sep 8 15:33:50 2016 +0200

    curl: security fix for CVE-2016-7141
    
    Affected versions:
        Affected versions: libcurl 7.19.6 to and including 7.50.1
        Not affected versions: libcurl >= 7.50.2
    
    Reference to upstream patch:
    https://curl.haxx.se/CVE-2016-7141.patch
    
    (From OE-Core rev: fb8f291d9ea2ebc011403f72cb91af372a795091)
    
    Signed-off-by: Sona Sarmadi <sona sarmadi enea com>
    Signed-off-by: Armin Kuster <akuster808 gmail com>
    Signed-off-by: Richard Purdie <richard purdie linuxfoundation org>

 meta/recipes-support/curl/curl/CVE-2016-7141.patch |   50 ++++++++++++++++++++
 meta/recipes-support/curl/curl_7.47.1.bb           |    1 +
 2 files changed, 51 insertions(+), 0 deletions(-)
---
diff --git a/meta/recipes-support/curl/curl/CVE-2016-7141.patch 
b/meta/recipes-support/curl/curl/CVE-2016-7141.patch
new file mode 100644
index 0000000..eb03afd
--- /dev/null
+++ b/meta/recipes-support/curl/curl/CVE-2016-7141.patch
@@ -0,0 +1,50 @@
+From 7700fcba64bf5806de28f6c1c7da3b4f0b38567d Mon Sep 17 00:00:00 2001
+From: Kamil Dudka <kdudka redhat com>
+Date: Mon, 22 Aug 2016 10:24:35 +0200
+Subject: [PATCH] nss: refuse previously loaded certificate from file
+
+... when we are not asked to use a certificate from file
+
+Bug: https://curl.haxx.se/docs/adv_20160907.html
+Reported-by: kdudka redhat com
+
+Upstream-Status: Backport
+https://curl.haxx.se/CVE-2016-5421.patch
+
+CVE: CVE-2016-7141
+Signed-off-by: Sona Sarmadi <sona sarmadi enea com>
+---
+ lib/vtls/nss.c | 8 +++++++-
+ 1 file changed, 7 insertions(+), 1 deletion(-)
+
+diff --git a/lib/vtls/nss.c b/lib/vtls/nss.c
+index 20c4277..cfb2263 100644
+--- a/lib/vtls/nss.c
++++ b/lib/vtls/nss.c
+@@ -1002,10 +1002,10 @@ static SECStatus SelectClientCert(void *arg, PRFileDesc *sock,
+   struct ssl_connect_data *connssl = (struct ssl_connect_data *)arg;
+   struct Curl_easy *data = connssl->data;
+   const char *nickname = connssl->client_nickname;
++  static const char pem_slotname[] = "PEM Token #1";
+
+   if(connssl->obj_clicert) {
+     /* use the cert/key provided by PEM reader */
+-    static const char pem_slotname[] = "PEM Token #1";
+     SECItem cert_der = { 0, NULL, 0 };
+     void *proto_win = SSL_RevealPinArg(sock);
+     struct CERTCertificateStr *cert;
+@@ -1067,6 +1067,12 @@ static SECStatus SelectClientCert(void *arg, PRFileDesc *sock,
+   if(NULL == nickname)
+     nickname = "[unknown]";
+
++  if(!strncmp(nickname, pem_slotname, sizeof(pem_slotname) - 1U)) {
++    failf(data, "NSS: refusing previously loaded certificate from file: %s",
++          nickname);
++    return SECFailure;
++  }
++
+   if(NULL == *pRetKey) {
+     failf(data, "NSS: private key not found for certificate: %s", nickname);
+     return SECFailure;
+--
+2.7.4
diff --git a/meta/recipes-support/curl/curl_7.47.1.bb b/meta/recipes-support/curl/curl_7.47.1.bb
index 6c71760..3670a11 100644
--- a/meta/recipes-support/curl/curl_7.47.1.bb
+++ b/meta/recipes-support/curl/curl_7.47.1.bb
@@ -14,6 +14,7 @@ SRC_URI += " file://configure_ac.patch \
              file://CVE-2016-5419.patch \
              file://CVE-2016-5420.patch \
              file://CVE-2016-5421.patch \
+             file://CVE-2016-7141.patch \
            "
 
 SRC_URI[md5sum] = "9ea3123449439bbd960cd25cf98796fb"


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