Home/CVE/IPFilter 3.4.25 and earlier sets a different TTL when a port is being filtered than when it is not being filtered, which
CVE

CVE-2002-0515

IPFilter 3.4.25 and earlier sets a different TTL when a port is being filtered than when it is not being filtered, which

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.

MEDIUM · CVSS 5 EPSS 0.02089
Schedule remediation
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-203Observable Discrepancy
▤

Affected Products & Versions

1
phildev ipfilter<= 3.4.25
⚠

Public Exploits & PoCs

1
pocwww.securityfocus.com · 4403www.securityfocus.com
▣

Scoring & Timeline

5
MEDIUM · CVSS v2 (legacy) · cve@mitre.org
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:L/Au:N/C:P/I:N/A:N
Published to NVD12 Aug 2002 · 04:00 AM
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.iss.net/security_center/static/8738.phpBroken LinkVendor Advisory
http://www.securityfocus.com/archive/1/265188Broken LinkThird Party AdvisoryVDB EntryVendor Advisory
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