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31 lines
1.6 KiB
31 lines
1.6 KiB
diff -ur kdelibs-3.5.10/khtml/ecma/kjs_html.cpp kdelibs-3.5.10-cve-2009-2537-select-length/khtml/ecma/kjs_html.cpp
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--- kdelibs-3.5.10/khtml/ecma/kjs_html.cpp 2008-02-13 10:41:09.000000000 +0100
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+++ kdelibs-3.5.10-cve-2009-2537-select-length/khtml/ecma/kjs_html.cpp 2009-07-26 04:54:52.000000000 +0200
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@@ -62,6 +62,9 @@
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#include <kdebug.h>
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+// CVE-2009-2537 (vendors agreed on max 10000 elements)
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+#define MAX_SELECT_LENGTH 10000
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+
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namespace KJS {
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KJS_DEFINE_PROTOTYPE_WITH_PROTOTYPE(HTMLDocumentProto, DOMDocumentProto)
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@@ -2550,8 +2553,14 @@
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case SelectValue: { select.setValue(str); return; }
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case SelectLength: { // read-only according to the NS spec, but webpages need it writeable
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Object coll = Object::dynamicCast( getSelectHTMLCollection(exec, select.options(), select) );
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- if ( coll.isValid() )
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- coll.put(exec,"length",value);
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+
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+ if ( coll.isValid() ) {
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+ if (value.toInteger(exec) >= MAX_SELECT_LENGTH) {
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+ Object err = Error::create(exec, RangeError);
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+ exec->setException(err);
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+ } else
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+ coll.put(exec, "length", value);
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+ }
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return;
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}
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// read-only: form
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