CVE-2002-0515 - IPFilter 3.4.25 and earlier sets a different TTL when a port is being filtered than when it is not b

CVE-2002-0515

Summary

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.

References

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

Vulnerable Configurations

cpe:2.3:a:phildev:ipfilter:-:*:*:*:*:*:*:*
cpe:2.3:a:phildev:ipfilter:-:*:*:*:*:*:*:*
cpe:2.3:a:phildev:ipfilter:3.4.25:*:*:*:*:*:*:*
cpe:2.3:a:phildev:ipfilter:3.4.25:*:*:*:*:*:*:*

CVSS

Base:	5.0 (as of 14-02-2024 - 15:07)
Impact:
Exploitability:

CWE

CWE-203

CAPEC

Access

Vector	Complexity	Authentication
NETWORK	LOW	NONE

Impact

Confidentiality	Integrity	Availability
PARTIAL	NONE	NONE

cvss-vector via4

AV:N/AC:L/Au:N/C:P/I:N/A:N

refmap via4

bid	4403
bugtraq	20020331 packet filter fingerprinting(open but closed, closed but filtered)
xf	firewall-rst-fingerprint(8738)

Last major update

14-02-2024 - 15:07

Published

12-08-2002 - 04:00

Last modified

14-02-2024 - 15:07