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authorPeter Hartmann <peter.hartmann@nokia.com>2010-08-10 11:59:57 (GMT)
committerPeter Hartmann <peter.hartmann@nokia.com>2010-08-10 12:13:35 (GMT)
commit846f1b44eea4bb34d080d055badb40a4a13d369e (patch)
tree4fc58a9d2f96bb9b595ac3db309134d330d74646 /src/network
parent09884750f89a24b6f480b4519b3a2a1b4c2f028d (diff)
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QSslSocket: fix security vulnerability with wildcard IP addresses
This fixes Westpoint Security issue with Advisory ID#: wp-10-0001. Before, we would allow wildcards in IP addresses like *.2.3.4 ; now, IP addresses must match excatly. Patch-by: Richard J. Moore <rich@kde.org> Task-number: QT-3704
Diffstat (limited to 'src/network')
-rw-r--r--src/network/ssl/qsslsocket_openssl.cpp5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/network/ssl/qsslsocket_openssl.cpp b/src/network/ssl/qsslsocket_openssl.cpp
index b4d030c..bb6910a 100644
--- a/src/network/ssl/qsslsocket_openssl.cpp
+++ b/src/network/ssl/qsslsocket_openssl.cpp
@@ -1288,6 +1288,11 @@ bool QSslSocketBackendPrivate::isMatchingHostname(const QString &cn, const QStri
if (hostname.midRef(hostname.indexOf(QLatin1Char('.'))) != cn.midRef(firstCnDot))
return false;
+ // Check if the hostname is an IP address, if so then wildcards are not allowed
+ QHostAddress addr(hostname);
+ if (!addr.isNull())
+ return false;
+
// Ok, I guess this was a wildcard CN and the hostname matches.
return true;
}