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HistoryDec 31, 2003 - 5:00 a.m.
CVE-2003-1230
freebsd
syn cookies
vulnerability
remote attack
isn guessing
6.8 Medium
AI Score
Confidence
Low
6.4 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:P/A:N
0.009 Low
EPSS
Percentile
82.5%
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.
Related
cisco
cisco
Cisco IOS Software TCP Initial Sequence Number Randomization Improvements
2001-03-01 02:00:00
openvas
openvas
TCP/IP Predictable TCP Initial Sequence Number Vulnerability
2013-04-22 00:00:00
6.8 Medium
AI Score
Confidence
Low
6.4 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:P/A:N
0.009 Low
EPSS
Percentile
82.5%
Related for CVE-2003-1230