CVE-2003-1230

N/A Unknown
Published: December 31, 2003 Modified: April 16, 2026
View on NVD

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.

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References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://secunia.com/advisories/8142/
Source: cve@mitre.org
Vendor Advisory
http://www.osvdb.org/19785
Source: cve@mitre.org
http://www.securityfocus.com/advisories/5013
Source: cve@mitre.org
Patch Vendor Advisory
http://www.securityfocus.com/bid/6920
Source: cve@mitre.org
Patch
https://exchange.xforce.ibmcloud.com/vulnerabilities/11397
Source: cve@mitre.org
http://secunia.com/advisories/8142/
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://www.osvdb.org/19785
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/advisories/5013
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Vendor Advisory
http://www.securityfocus.com/bid/6920
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
https://exchange.xforce.ibmcloud.com/vulnerabilities/11397
Source: af854a3a-2127-422b-91ae-364da2661108

10 reference(s) from NVD

Quick Stats

CVSS v3 Score
N/A / 10.0
EPSS (Exploit Probability)
0.5%
67th percentile
Exploitation Status
Not in CISA KEV

Affected Vendors

freebsd