Vulnerability in Openbsd

CVE-2002-0514

PF in OpenBSD 3.0 with the return-rst rule sets the TTL to 128 in the RST packet, which allows remote attackers to determine if a port is being filtered because the TTL is different than the default TTL.

EPSS: 0.020 (78.4th percentile) — read the EPSS interpretation.

Affected products

  • Openbsd — versions 3.0
  • N/a — versions n/a

Weakness classification (CWE)

References

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