Vulnerability in Phildev Ipfilter

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 allows remote attackers to identify filtered ports by comparing TTLs.

EPSS: 0.022 (80.7th percentile) — read the EPSS interpretation.

Affected products

Weakness classification (CWE)

References

  • cve@mitre.org (Broken Link, Vendor Advisory, mailing-list, x_refsource_BUGTRAQ, VDB Entry, Third Party Advisory)
  • cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, vdb-entry, Broken Link, x_refsource_BID, Vendor Advisory)
  • cve@mitre.org (vdb-entry, Broken Link, Vendor Advisory, x_refsource_XF)