On 18.02.2015 18:29, Emmanuel Bourg wrote: > Hi Raphael, > > I think this is a trivial update, the version of Axis hasn't changed > since Squeeze and it should be as simple as dropping the CVE-2014-3596 > patch from axis/1.4-22 into the version 1.4-12 currently in Squeeze (it > also addresses CVE-2012-5784).
Hello, I agree with Emmanuel. I have successfully built axis in Squeeze with the CVE patch. Please find attached the debdiff against the version in Squeeze. Regards, Markus
diff -Nru axis-1.4/debian/changelog axis-1.4/debian/changelog --- axis-1.4/debian/changelog 2010-07-08 00:06:29.000000000 +0200 +++ axis-1.4/debian/changelog 2015-02-18 23:10:52.000000000 +0100 @@ -1,3 +1,14 @@ +axis (1.4-12+deb6u1) squeeze-lts; urgency=high + + * Add CVE-2014-3596.patch. + The getCN function in Apache Axis 1.4 and earlier does not properly verify + that the server hostname matches a domain name in the subject's Common Name + (CN) or subjectAltName field of the X.509 certificate, which allows + man-in-the-middle attackers to spoof SSL servers via a certificate with a + subject that specifies a common name in a field that is not the CN field. + + -- Markus Koschany <a...@gambaru.de> Wed, 18 Feb 2015 23:08:12 +0100 + axis (1.4-12) unstable; urgency=low [ Niels Thykier ] diff -Nru axis-1.4/debian/patches/CVE-2014-3596.patch axis-1.4/debian/patches/CVE-2014-3596.patch --- axis-1.4/debian/patches/CVE-2014-3596.patch 1970-01-01 01:00:00.000000000 +0100 +++ axis-1.4/debian/patches/CVE-2014-3596.patch 2015-02-18 23:10:52.000000000 +0100 @@ -0,0 +1,350 @@ +From: David Jorm and Arun Neelicattu (Red Hat Product Security) +Date: Wed, 18 Feb 2015 23:04:31 +0100 +Subject: CVE 2014 3596 + +--- + .../axis/components/net/JSSESocketFactory.java | 309 ++++++++++++++++++++- + 1 file changed, 303 insertions(+), 6 deletions(-) + +diff --git a/src/org/apache/axis/components/net/JSSESocketFactory.java b/src/org/apache/axis/components/net/JSSESocketFactory.java +index dd3f991..abffcdd 100644 +--- a/src/org/apache/axis/components/net/JSSESocketFactory.java ++++ b/src/org/apache/axis/components/net/JSSESocketFactory.java +@@ -15,12 +15,6 @@ + */ + package org.apache.axis.components.net; + +-import org.apache.axis.utils.Messages; +-import org.apache.axis.utils.XMLUtils; +-import org.apache.axis.utils.StringUtils; +- +-import javax.net.ssl.SSLSocket; +-import javax.net.ssl.SSLSocketFactory; + import java.io.BufferedWriter; + import java.io.IOException; + import java.io.InputStream; +@@ -28,7 +22,33 @@ import java.io.OutputStream; + import java.io.OutputStreamWriter; + import java.io.PrintWriter; + import java.net.Socket; ++import java.security.cert.Certificate; ++import java.security.cert.CertificateParsingException; ++import java.security.cert.X509Certificate; ++import java.util.ArrayList; ++import java.util.Arrays; ++import java.util.Collection; + import java.util.Hashtable; ++import java.util.Iterator; ++import java.util.LinkedList; ++import java.util.List; ++import java.util.Locale; ++import java.util.regex.Pattern; ++ ++import javax.naming.InvalidNameException; ++import javax.naming.NamingException; ++import javax.naming.directory.Attribute; ++import javax.naming.directory.Attributes; ++import javax.naming.ldap.LdapName; ++import javax.naming.ldap.Rdn; ++import javax.net.ssl.SSLException; ++import javax.net.ssl.SSLSession; ++import javax.net.ssl.SSLSocket; ++import javax.net.ssl.SSLSocketFactory; ++ ++import org.apache.axis.utils.Messages; ++import org.apache.axis.utils.StringUtils; ++import org.apache.axis.utils.XMLUtils; + + + /** +@@ -41,6 +61,10 @@ import java.util.Hashtable; + */ + public class JSSESocketFactory extends DefaultSocketFactory implements SecureSocketFactory { + ++ // This is a a sorted list, if you insert new elements do it orderdered. ++ private final static String[] BAD_COUNTRY_2LDS = ++ {"ac", "co", "com", "ed", "edu", "go", "gouv", "gov", "info", ++ "lg", "ne", "net", "or", "org"}; + /** Field sslFactory */ + protected SSLSocketFactory sslFactory = null; + +@@ -187,6 +211,279 @@ public class JSSESocketFactory extends DefaultSocketFactory implements SecureSoc + if (log.isDebugEnabled()) { + log.debug(Messages.getMessage("createdSSL00")); + } ++ verifyHostName(host, (SSLSocket) sslSocket); + return sslSocket; + } ++ /** ++ * Verifies that the given hostname in certicifate is the hostname we are trying to connect to. ++ * This resolves CVE-2012-5784 and CVE-2014-3596 ++ * @param host ++ * @param ssl ++ * @throws IOException ++ */ ++ ++ private static void verifyHostName(String host, SSLSocket ssl) ++ throws IOException { ++ if (host == null) { ++ throw new IllegalArgumentException("host to verify was null"); ++ } ++ ++ SSLSession session = ssl.getSession(); ++ if (session == null) { ++ // In our experience this only happens under IBM 1.4.x when ++ // spurious (unrelated) certificates show up in the server's chain. ++ // Hopefully this will unearth the real problem: ++ InputStream in = ssl.getInputStream(); ++ in.available(); ++ /* ++ If you're looking at the 2 lines of code above because you're ++ running into a problem, you probably have two options: ++ ++ #1. Clean up the certificate chain that your server ++ is presenting (e.g. edit "/etc/apache2/server.crt" or ++ wherever it is your server's certificate chain is ++ defined). ++ ++ OR ++ ++ #2. Upgrade to an IBM 1.5.x or greater JVM, or switch to a ++ non-IBM JVM. ++ */ ++ ++ // If ssl.getInputStream().available() didn't cause an exception, ++ // maybe at least now the session is available? ++ session = ssl.getSession(); ++ if (session == null) { ++ // If it's still null, probably a startHandshake() will ++ // unearth the real problem. ++ ssl.startHandshake(); ++ ++ // Okay, if we still haven't managed to cause an exception, ++ // might as well go for the NPE. Or maybe we're okay now? ++ session = ssl.getSession(); ++ } ++ } ++ ++ Certificate[] certs = session.getPeerCertificates(); ++ verifyHostName(host.trim().toLowerCase(Locale.US), (X509Certificate) certs[0]); ++ } ++ /** ++ * Extract the names from the certificate and tests host matches one of them ++ * @param host ++ * @param cert ++ * @throws SSLException ++ */ ++ ++ private static void verifyHostName(final String host, X509Certificate cert) ++ throws SSLException { ++ // I'm okay with being case-insensitive when comparing the host we used ++ // to establish the socket to the hostname in the certificate. ++ // Don't trim the CN, though. ++ ++ String[] cns = getCNs(cert); ++ String[] subjectAlts = getDNSSubjectAlts(cert); ++ verifyHostName(host, cns, subjectAlts); ++ ++ } ++ ++ /** ++ * Extract all alternative names from a certificate. ++ * @param cert ++ * @return ++ */ ++ private static String[] getDNSSubjectAlts(X509Certificate cert) { ++ LinkedList subjectAltList = new LinkedList(); ++ Collection c = null; ++ try { ++ c = cert.getSubjectAlternativeNames(); ++ } catch (CertificateParsingException cpe) { ++ // Should probably log.debug() this? ++ cpe.printStackTrace(); ++ } ++ if (c != null) { ++ Iterator it = c.iterator(); ++ while (it.hasNext()) { ++ List list = (List) it.next(); ++ int type = ((Integer) list.get(0)).intValue(); ++ // If type is 2, then we've got a dNSName ++ if (type == 2) { ++ String s = (String) list.get(1); ++ subjectAltList.add(s); ++ } ++ } ++ } ++ if (!subjectAltList.isEmpty()) { ++ String[] subjectAlts = new String[subjectAltList.size()]; ++ subjectAltList.toArray(subjectAlts); ++ return subjectAlts; ++ } else { ++ return new String[0]; ++ } ++ ++ } ++ /** ++ * Verifies ++ * @param host ++ * @param cn ++ * @param subjectAlts ++ * @throws SSLException ++ */ ++ ++ private static void verifyHostName(final String host, String[] cns, String[] subjectAlts)throws SSLException{ ++ StringBuffer cnTested = new StringBuffer(); ++ ++ for (int i = 0; i < subjectAlts.length; i++){ ++ String name = subjectAlts[i]; ++ if (name != null) { ++ name = name.toLowerCase(Locale.US); ++ if (verifyHostName(host, name)){ ++ return; ++ } ++ cnTested.append("/").append(name); ++ } ++ } ++ for (int i = 0; i < cns.length; i++) { ++ String cn = cns[i]; ++ if (cn != null) { ++ cn = cn.toLowerCase(Locale.US); ++ if (verifyHostName(host, cn)) { ++ return; ++ } ++ cnTested.append("/").append(cn); ++ } ++ } ++ throw new SSLException("hostname in certificate didn't match: <" ++ + host + "> != <" + cnTested + ">"); ++ } ++ ++ private static boolean verifyHostName(final String host, final String cn){ ++ if (doWildCard(cn) && !isIPAddress(host)) { ++ return matchesWildCard(cn, host); ++ } ++ return host.equalsIgnoreCase(cn); ++ } ++ private static boolean doWildCard(String cn) { ++ // Contains a wildcard ++ // wildcard in the first block ++ // not an ipaddress (ip addres must explicitily be equal) ++ // not using 2nd level common tld : ex: not for *.co.uk ++ String parts[] = cn.split("\\."); ++ return parts.length >= 3 && ++ parts[0].endsWith("*") && ++ acceptableCountryWildcard(cn) && ++ !isIPAddress(cn); ++ } ++ ++ private static final Pattern IPV4_PATTERN = ++ Pattern.compile("^(25[0-5]|2[0-4]\\d|[0-1]?\\d?\\d)(\\.(25[0-5]|2[0-4]\\d|[0-1]?\\d?\\d)){3}$"); ++ ++ private static final Pattern IPV6_STD_PATTERN = ++ Pattern.compile("^(?:[0-9a-fA-F]{1,4}:){7}[0-9a-fA-F]{1,4}$"); ++ ++ private static final Pattern IPV6_HEX_COMPRESSED_PATTERN = ++ Pattern.compile("^((?:[0-9A-Fa-f]{1,4}(?::[0-9A-Fa-f]{1,4})*)?)::((?:[0-9A-Fa-f]{1,4}(?::[0-9A-Fa-f]{1,4})*)?)$"); ++ ++ ++ private static boolean isIPAddress(final String hostname) { ++ return hostname != null ++ && ( ++ IPV4_PATTERN.matcher(hostname).matches() ++ || IPV6_STD_PATTERN.matcher(hostname).matches() ++ || IPV6_HEX_COMPRESSED_PATTERN.matcher(hostname).matches() ++ ); ++ ++ } ++ ++ private static boolean acceptableCountryWildcard(final String cn) { ++ // The CN better have at least two dots if it wants wildcard action, ++ // but can't be [*.co.uk] or [*.co.jp] or [*.org.uk], etc... ++ // The [*.co.uk] problem is an interesting one. Should we just ++ // hope that CA's would never foolishly allow such a ++ // certificate to happen? ++ ++ String[] parts = cn.split("\\."); ++ // Only checks for 3 levels, with country code of 2 letters. ++ if (parts.length > 3 || parts[parts.length - 1].length() != 2) { ++ return true; ++ } ++ String countryCode = parts[parts.length - 2]; ++ return Arrays.binarySearch(BAD_COUNTRY_2LDS, countryCode) < 0; ++ } ++ ++ private static boolean matchesWildCard(final String cn, ++ final String hostName) { ++ String parts[] = cn.split("\\."); ++ boolean match = false; ++ String firstpart = parts[0]; ++ if (firstpart.length() > 1) { ++ // server∗ ++ // e.g. server ++ String prefix = firstpart.substring(0, firstpart.length() - 1); ++ // skipwildcard part from cn ++ String suffix = cn.substring(firstpart.length()); ++ // skip wildcard part from host ++ String hostSuffix = hostName.substring(prefix.length()); ++ match = hostName.startsWith(prefix) && hostSuffix.endsWith(suffix); ++ } else { ++ match = hostName.endsWith(cn.substring(1)); ++ } ++ if (match) { ++ // I f we ’ r e i n s t r i c t mode , ++ // [ ∗.foo.com] is not allowed to match [a.b.foo.com] ++ match = countDots(hostName) == countDots(cn); ++ } ++ return match; ++ } ++ ++ private static int countDots(final String data) { ++ int dots = 0; ++ for (int i = 0; i < data.length(); i++) { ++ if (data.charAt(i) == '.') { ++ dots += 1; ++ } ++ } ++ return dots; ++ } ++ ++ ++ private static String[] getCNs(X509Certificate cert) { ++ // Note: toString() seems to do a better job than getName() ++ // ++ // For example, getName() gives me this: ++ // 1.2.840.113549.1.9.1=#16166a756c6975736461766965734063756362632e636f6d ++ // ++ // whereas toString() gives me this: ++ // EMAILADDRESS=juliusdav...@cucbc.com ++ String subjectPrincipal = cert.getSubjectX500Principal().toString(); ++ ++ return getCNs(subjectPrincipal); ++ ++ } ++ private static String[] getCNs(String subjectPrincipal) { ++ if (subjectPrincipal == null) { ++ return null; ++ } ++ final List cns = new ArrayList(); ++ try { ++ final LdapName subjectDN = new LdapName(subjectPrincipal); ++ final List rdns = subjectDN.getRdns(); ++ for (int i = rdns.size() - 1; i >= 0; i--) { ++ final Rdn rds = (Rdn) rdns.get(i); ++ final Attributes attributes = rds.toAttributes(); ++ final Attribute cn = attributes.get("cn"); ++ if (cn != null) { ++ try { ++ final Object value = cn.get(); ++ if (value != null) { ++ cns.add(value.toString()); ++ } ++ } ++ catch (NamingException ignore) {} ++ } ++ } ++ } ++ catch (InvalidNameException ignore) { } ++ return cns.isEmpty() ? null : (String[]) cns.toArray(new String[ cns.size() ]); ++ } ++ + } diff -Nru axis-1.4/debian/patches/series axis-1.4/debian/patches/series --- axis-1.4/debian/patches/series 2010-03-25 23:51:21.000000000 +0100 +++ axis-1.4/debian/patches/series 2015-02-18 23:10:52.000000000 +0100 @@ -2,3 +2,4 @@ 02-gcj-4.4.patch axis-bz152255.patch javadoc.diff +CVE-2014-3596.patch
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