Vulnerability Details : CVE-2002-0518
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.
Vulnerability category: Denial of service
Products affected by CVE-2002-0518
- cpe:2.3:o:freebsd:freebsd:4.5:stable:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:4.5:release:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2002-0518
1.01%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 84 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2002-0518
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST |
References for CVE-2002-0518
Jump to