Vulnerability CVE-2002-0515
Published: 2002-08-12   Modified: 2012-02-12

Description:
IPFilter 3.4.25 and earlier sets a different TTL when a port is being filtered than when it is not being filtered, which allows remote attackers to identify filtered ports by comparing TTLs.

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:N/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
None
None
Affected software
Darren reed -> Ipfilter 

 References:
http://www.securityfocus.com/bid/4403
http://www.securityfocus.com/archive/1/265188
http://www.iss.net/security_center/static/8738.php
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