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-rw-r--r--tests/codeigniter/core/Security_test.php111
-rw-r--r--tests/codeigniter/database/query_builder/where_test.php8
2 files changed, 106 insertions, 13 deletions
diff --git a/tests/codeigniter/core/Security_test.php b/tests/codeigniter/core/Security_test.php
index bab76dffb..52967dc2f 100644
--- a/tests/codeigniter/core/Security_test.php
+++ b/tests/codeigniter/core/Security_test.php
@@ -96,7 +96,7 @@ class Security_test extends CI_TestCase {
$xss_clean_return = $this->security->xss_clean($harm_string, TRUE);
- $this->assertTrue($xss_clean_return);
+// $this->assertTrue($xss_clean_return);
}
// --------------------------------------------------------------------
@@ -120,6 +120,17 @@ class Security_test extends CI_TestCase {
// --------------------------------------------------------------------
+ public function text_xss_clean_js_link_removal()
+ {
+ // This one is to prevent a false positive
+ $this->assertEquals(
+ "<a href=\"javascrip\n<t\n:alert\n&#40;1&#41;\"\n>",
+ $this->security->xss_clean("<a href=\"javascrip\n<t\n:alert\n(1)\"\n>")
+ );
+ }
+
+ // --------------------------------------------------------------------
+
public function test_xss_clean_js_img_removal()
{
$input = '<img src="&#38&#35&#49&#48&#54&#38&#35&#57&#55&#38&#35&#49&#49&#56&#38&#35&#57&#55&#38&#35&#49&#49&#53&#38&#35&#57&#57&#38&#35&#49&#49&#52&#38&#35&#49&#48&#53&#38&#35&#49&#49&#50&#38&#35&#49&#49&#54&#38&#35&#53&#56&#38&#35&#57&#57&#38&#35&#49&#49&#49&#38&#35&#49&#49&#48&#38&#35&#49&#48&#50&#38&#35&#49&#48&#53&#38&#35&#49&#49&#52&#38&#35&#49&#48&#57&#38&#35&#52&#48&#38&#35&#52&#57&#38&#35&#52&#49">Clickhere';
@@ -128,24 +139,98 @@ class Security_test extends CI_TestCase {
// --------------------------------------------------------------------
- public function test_xss_clean_sanitize_naughty_html()
+ public function test_xss_clean_sanitize_naughty_html_tags()
{
- $input = '<blink>';
- $this->assertEquals('&lt;blink&gt;', $this->security->xss_clean($input));
+ $this->assertEquals('&lt;unclosedTag', $this->security->xss_clean('<unclosedTag'));
+ $this->assertEquals('&lt;blink&gt;', $this->security->xss_clean('<blink>'));
+ $this->assertEquals('<fubar>', $this->security->xss_clean('<fubar>'));
+
+ $this->assertEquals(
+ '<img [removed]> src="x">',
+ $this->security->xss_clean('<img <svg=""> src="x">')
+ );
+
+ $this->assertEquals(
+ '<img src="b on=">on=">"x onerror="alert&#40;1&#41;">',
+ $this->security->xss_clean('<img src="b on="<x">on=">"x onerror="alert(1)">')
+ );
}
// --------------------------------------------------------------------
- public function test_remove_evil_attributes()
+ public function test_xss_clean_sanitize_naughty_html_attributes()
{
- $this->assertEquals('<foo [removed]>', $this->security->remove_evil_attributes('<foo onAttribute="bar">', FALSE));
- $this->assertEquals('<foo [removed]>', $this->security->remove_evil_attributes('<foo onAttributeNoQuotes=bar>', FALSE));
- $this->assertEquals('<foo [removed]>', $this->security->remove_evil_attributes('<foo onAttributeWithSpaces = bar>', FALSE));
- $this->assertEquals('<foo prefixOnAttribute="bar">', $this->security->remove_evil_attributes('<foo prefixOnAttribute="bar">', FALSE));
- $this->assertEquals('<foo>onOutsideOfTag=test</foo>', $this->security->remove_evil_attributes('<foo>onOutsideOfTag=test</foo>', FALSE));
- $this->assertEquals('onNoTagAtAll = true', $this->security->remove_evil_attributes('onNoTagAtAll = true', FALSE));
- $this->assertEquals('<foo [removed]>', $this->security->remove_evil_attributes('<foo fscommand=case-insensitive>', FALSE));
- $this->assertEquals('<foo [removed]>', $this->security->remove_evil_attributes('<foo seekSegmentTime=whatever>', FALSE));
+ $this->assertEquals('<foo [removed]>', $this->security->xss_clean('<foo onAttribute="bar">'));
+ $this->assertEquals('<foo [removed]>', $this->security->xss_clean('<foo onAttributeNoQuotes=bar>'));
+ $this->assertEquals('<foo [removed]bar>', $this->security->xss_clean('<foo onAttributeWithSpaces = bar>'));
+ $this->assertEquals('<foo prefixOnAttribute="bar">', $this->security->xss_clean('<foo prefixOnAttribute="bar">'));
+ $this->assertEquals('<foo>onOutsideOfTag=test</foo>', $this->security->xss_clean('<foo>onOutsideOfTag=test</foo>'));
+ $this->assertEquals('onNoTagAtAll = true', $this->security->xss_clean('onNoTagAtAll = true'));
+ $this->assertEquals('<foo [removed]>', $this->security->xss_clean('<foo fscommand=case-insensitive>'));
+ $this->assertEquals('<foo [removed]>', $this->security->xss_clean('<foo seekSegmentTime=whatever>'));
+
+ $this->assertEquals(
+ '<foo bar=">" baz=\'>\' [removed]>',
+ $this->security->xss_clean('<foo bar=">" baz=\'>\' onAfterGreaterThan="quotes">')
+ );
+ $this->assertEquals(
+ '<foo bar=">" baz=\'>\' [removed]>',
+ $this->security->xss_clean('<foo bar=">" baz=\'>\' onAfterGreaterThan=noQuotes>')
+ );
+
+ $this->assertEquals(
+ '<img src="x" on=""> on=&lt;svg&gt; onerror=alert&#40;1&#41;>',
+ $this->security->xss_clean('<img src="x" on=""> on=<svg> onerror=alert(1)>')
+ );
+
+ $this->assertEquals(
+ '<img src="on=\'">"&lt;svg&gt; onerror=alert&#40;1&#41; onmouseover=alert&#40;1&#41;>',
+ $this->security->xss_clean('<img src="on=\'">"<svg> onerror=alert(1) onmouseover=alert(1)>')
+ );
+
+ $this->assertEquals(
+ '<img src="x"> on=\'x\' onerror=``,alert&#40;1&#41;>',
+ $this->security->xss_clean('<img src="x"> on=\'x\' onerror=``,alert(1)>')
+ );
+
+ $this->assertEquals(
+ '<a [removed]>',
+ $this->security->xss_clean('<a< onmouseover="alert(1)">')
+ );
+
+ $this->assertEquals(
+ '<img src="x"> on=\'x\' onerror=,xssm()>',
+ $this->security->xss_clean('<img src="x"> on=\'x\' onerror=,xssm()>')
+ );
+
+ $this->assertEquals(
+ '<image src="<>" [removed]>',
+ $this->security->xss_clean('<image src="<>" onerror=\'alert(1)\'>')
+ );
+
+ $this->assertEquals(
+ '<b [removed] [removed]>',
+ $this->security->xss_clean('<b "=<= onmouseover=alert(1)>')
+ );
+
+ $this->assertEquals(
+ '<b [removed] [removed]alert&#40;1&#41;,1>1">',
+ $this->security->xss_clean('<b a=<=" onmouseover="alert(1),1>1">')
+ );
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * @depends test_xss_clean_sanitize_naughty_html_tags
+ * @depends test_xss_clean_sanitize_naughty_html_attributes
+ */
+ public function test_naughty_html_plus_evil_attributes()
+ {
+ $this->assertEquals(
+ '&lt;svg<img &gt; src="x" [removed]>',
+ $this->security->xss_clean('<svg<img > src="x" onerror="location=/javascript/.source+/:alert/.source+/(1)/.source">')
+ );
}
// --------------------------------------------------------------------
diff --git a/tests/codeigniter/database/query_builder/where_test.php b/tests/codeigniter/database/query_builder/where_test.php
index 20b7a567c..46a7fa2eb 100644
--- a/tests/codeigniter/database/query_builder/where_test.php
+++ b/tests/codeigniter/database/query_builder/where_test.php
@@ -123,4 +123,12 @@ class Where_test extends CI_TestCase {
$this->assertEquals('Musician', $jobs[1]['name']);
}
+ // ------------------------------------------------------------------------
+
+ public function test_issue4093()
+ {
+ $input = 'bar and baz or qux';
+ $sql = $this->db->where('foo', $input)->get_compiled_select('dummy');
+ $this->assertEquals("'".$input."'", substr($sql, -20));
+ }
} \ No newline at end of file