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VULNERABILITIES

CVE-2003-1230 Details

Description

The implementation of SYN cookies (syncookies) in FreeBSD 4.5 through 5.0-RELEASE-p3 uses only 32-bit internal keys when generating syncookies, which makes it easier for remote attackers to conduct brute force ISN guessing attacks and spoof legitimate traffic.

Metrics

CVSS 3.x Severity and Vector Strings:

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

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Weakness Enumeration

CWE-IDCWE NameSource
NVD-CWE-OtherWeakness Not in a Standard CWE Category[email protected]

Affected Products

ProductVersions
freebsd freebsd
4.5 release
4.6 release
4.7 release
4.7 stable
5.0 release

CPE

  • cpe:2.3:o:freebsd:freebsd:4.5:release:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:4.6:release:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:4.7:release:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:4.7:stable:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:5.0:release:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

6 change records found show changes


QUICK INFO

CVE Dictionary Entry:
CVE-2003-1230
NVD Published Date:
Dec 31, 2003
NVD Last Modified:
Jun 16, 2026
Source:
[email protected]
CVE-2003-1230 Details - Not Deferred