Author: delphij
Date: Wed Nov 29 05:59:50 2017
New Revision: 326359
URL: https://svnweb.freebsd.org/changeset/base/326359

Log:
  Fix OpenSSL out-of-bounds read vulnerability.
  
  Security:     FreeBSD-SA-17:11
  Approved by:  so

Modified:
  releng/10.3/UPDATING
  releng/10.3/crypto/openssl/crypto/x509v3/v3_addr.c
  releng/10.3/sys/conf/newvers.sh
  releng/10.4/UPDATING
  releng/10.4/crypto/openssl/crypto/x509v3/v3_addr.c
  releng/10.4/sys/conf/newvers.sh

Modified: releng/10.3/UPDATING
==============================================================================
--- releng/10.3/UPDATING        Wed Nov 29 05:59:12 2017        (r326358)
+++ releng/10.3/UPDATING        Wed Nov 29 05:59:50 2017        (r326359)
@@ -16,6 +16,10 @@ from older versions of FreeBSD, try WITHOUT_CLANG to b
 stable/10, and then rebuild without this option. The bootstrap process from
 older version of current is a bit fragile.
 
+20171129       p25     FreeBSD-SA-17:11.openssl
+
+       Fix OpenSSL out-of-bounds read vulnerability.
+
 20171115       p24     FreeBSD-SA-17:08.ptrace
                        FreeBSD-SA-17:09.shm
                        FreeBSD-SA-17:10.kldstat

Modified: releng/10.3/crypto/openssl/crypto/x509v3/v3_addr.c
==============================================================================
--- releng/10.3/crypto/openssl/crypto/x509v3/v3_addr.c  Wed Nov 29 05:59:12 
2017        (r326358)
+++ releng/10.3/crypto/openssl/crypto/x509v3/v3_addr.c  Wed Nov 29 05:59:50 
2017        (r326359)
@@ -130,10 +130,12 @@ static int length_from_afi(const unsigned afi)
  */
 unsigned int v3_addr_get_afi(const IPAddressFamily *f)
 {
-    return ((f != NULL &&
-             f->addressFamily != NULL && f->addressFamily->data != NULL)
-            ? ((f->addressFamily->data[0] << 8) | (f->addressFamily->data[1]))
-            : 0);
+    if (f == NULL
+            || f->addressFamily == NULL
+            || f->addressFamily->data == NULL
+            || f->addressFamily->length < 2)
+        return 0;
+    return (f->addressFamily->data[0] << 8) | f->addressFamily->data[1];
 }
 
 /*

Modified: releng/10.3/sys/conf/newvers.sh
==============================================================================
--- releng/10.3/sys/conf/newvers.sh     Wed Nov 29 05:59:12 2017        
(r326358)
+++ releng/10.3/sys/conf/newvers.sh     Wed Nov 29 05:59:50 2017        
(r326359)
@@ -32,7 +32,7 @@
 
 TYPE="FreeBSD"
 REVISION="10.3"
-BRANCH="RELEASE-p24"
+BRANCH="RELEASE-p25"
 if [ "X${BRANCH_OVERRIDE}" != "X" ]; then
        BRANCH=${BRANCH_OVERRIDE}
 fi

Modified: releng/10.4/UPDATING
==============================================================================
--- releng/10.4/UPDATING        Wed Nov 29 05:59:12 2017        (r326358)
+++ releng/10.4/UPDATING        Wed Nov 29 05:59:50 2017        (r326359)
@@ -16,6 +16,10 @@ from older versions of FreeBSD, try WITHOUT_CLANG to b
 stable/10, and then rebuild without this option. The bootstrap process from
 older version of current is a bit fragile.
 
+20171129       p4      FreeBSD-SA-17:11.openssl
+
+       Fix OpenSSL out-of-bounds read vulnerability.
+
 20171115       p3      FreeBSD-SA-17:08.ptrace
                        FreeBSD-SA-17:09.shm
                        FreeBSD-SA-17:10.kldstat

Modified: releng/10.4/crypto/openssl/crypto/x509v3/v3_addr.c
==============================================================================
--- releng/10.4/crypto/openssl/crypto/x509v3/v3_addr.c  Wed Nov 29 05:59:12 
2017        (r326358)
+++ releng/10.4/crypto/openssl/crypto/x509v3/v3_addr.c  Wed Nov 29 05:59:50 
2017        (r326359)
@@ -130,10 +130,12 @@ static int length_from_afi(const unsigned afi)
  */
 unsigned int v3_addr_get_afi(const IPAddressFamily *f)
 {
-    return ((f != NULL &&
-             f->addressFamily != NULL && f->addressFamily->data != NULL)
-            ? ((f->addressFamily->data[0] << 8) | (f->addressFamily->data[1]))
-            : 0);
+    if (f == NULL
+            || f->addressFamily == NULL
+            || f->addressFamily->data == NULL
+            || f->addressFamily->length < 2)
+        return 0;
+    return (f->addressFamily->data[0] << 8) | f->addressFamily->data[1];
 }
 
 /*

Modified: releng/10.4/sys/conf/newvers.sh
==============================================================================
--- releng/10.4/sys/conf/newvers.sh     Wed Nov 29 05:59:12 2017        
(r326358)
+++ releng/10.4/sys/conf/newvers.sh     Wed Nov 29 05:59:50 2017        
(r326359)
@@ -32,7 +32,7 @@
 
 TYPE="FreeBSD"
 REVISION="10.4"
-BRANCH="RELEASE-p3"
+BRANCH="RELEASE-p4"
 if [ "X${BRANCH_OVERRIDE}" != "X" ]; then
        BRANCH=${BRANCH_OVERRIDE}
 fi
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