Vulnerability 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.
CVSS Score
5.0
MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Phildev | Ipfilter | <= 3.4.25 |
Related Weaknesses (CWE)
References
- http://www.iss.net/security_center/static/8738.phpBroken LinkVendor Advisory
- http://www.securityfocus.com/archive/1/265188Broken LinkThird Party AdvisoryVDB Entry
- http://www.securityfocus.com/bid/4403Broken LinkExploitThird Party Advisory
- http://www.iss.net/security_center/static/8738.phpBroken LinkVendor Advisory
- http://www.securityfocus.com/archive/1/265188Broken LinkThird Party AdvisoryVDB Entry
- http://www.securityfocus.com/bid/4403Broken LinkExploitThird Party Advisory
FAQ
What is CVE-2002-0515?
CVE-2002-0515 is a vulnerability with a CVSS score of 5.0 (MEDIUM). 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.
How severe is CVE-2002-0515?
CVE-2002-0515 has been rated MEDIUM with a CVSS base score of 5.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2002-0515?
Check the references section above for vendor advisories and patch information. Affected products include: Phildev Ipfilter.