EUVD-2002-0514 · Published Aug 12, 2002
The SYN cache (syncache) and SYN cookie (syncookie) mechanism in FreeBSD 4.5 and earlier allows remote attackers to cause a denial of service (crash) (1) via a SYN packet that is accepted using syncookies that causes a null pointer to be referenced for the socket's TCP options, or (2) by killing and restarting a process that listens on the same socket, which does not properly clear the old inpcb pointer on restart.
Technologies
Weaknesses
CVSS scores
- v2.05.0
AV:N/AC:L/Au:N/C:N/I:N/A:P
MITRE ATT&CK
InferredWhere this vulnerability fits in an attack
References
Potentially impacted assets
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