Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Freebsd | Freebsd | 4.5 |
References
- http://secunia.com/advisories/8142/Vendor Advisory
- http://www.osvdb.org/19785
- http://www.securityfocus.com/advisories/5013PatchVendor Advisory
- http://www.securityfocus.com/bid/6920Patch
- https://exchange.xforce.ibmcloud.com/vulnerabilities/11397
- http://secunia.com/advisories/8142/Vendor Advisory
- http://www.osvdb.org/19785
- http://www.securityfocus.com/advisories/5013PatchVendor Advisory
- http://www.securityfocus.com/bid/6920Patch
- https://exchange.xforce.ibmcloud.com/vulnerabilities/11397
FAQ
What is CVE-2003-1230?
CVE-2003-1230 is a vulnerability with a CVSS score of 6.4 (MEDIUM). 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 br...
How severe is CVE-2003-1230?
CVE-2003-1230 has been rated MEDIUM with a CVSS base score of 6.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2003-1230?
Check the references section above for vendor advisories and patch information. Affected products include: Freebsd Freebsd.