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.
Score: 1.8
Priority: P4 - Informational (Low)
Score: 0.00524
Percentile:
0.65972
CVSS v2 Score: 6.4
Severity: