Vulnerability Assessment & Network Security Forums



If through a vulnerability assessment, a network security issue is detected for the vulnerability below, applying the appropriate security patches in a timely matter is very important.  If you have detected that your system has already been compromised, following CERT's Network Security recovery document will assist with recommended steps for system recovery.


Home >> Browse Vulnerability Assessment Database >> Firewalls >> Remote host replies to SYN+FIN


Vulnerability Assessment Details

Remote host replies to SYN+FIN

Vulnerability Assessment Summary
Sends a SYN+FIN packet and expects a SYN+ACK

Detailed Explanation for this Vulnerability Assessment

Summary :

It may be possible to bypass firewall rules

Description :

The remote host does not discard TCP SYN packets which have
the FIN flag set.

Depending on the kind of firewall you are using, a possible hacker
may use this flaw to bypass its rules.

See also :

http://archives.neohapsis.com/archives/bugtraq/2002-10/0266.html
http://www.kb.cert.org/vuls/id/464113

Solution :

Contact your vendor for a patch

Network Security Threat Level:

None / CVSS Base Score : 0
(AV:R/AC:L/Au:NR/C:N/A:N/I:N/B:N)

Networks Security ID: 7487

Vulnerability Assessment Copyright: This script is Copyright (C) 2003 Tenable Network Security

Cables, Connectors

HP PROLIANT MICROSERVER G8 E3-1220LV2 2.3GHZ 4GB 1TB
$729.0
HP PROLIANT MICROSERVER G8 E3-1220LV2 2.3GHZ 4GB 1TB pictureSuper Micro X9SCL, LGA 1155, Micro ATX Intel Server Motherboard
$55.0
Super Micro X9SCL, LGA 1155, Micro ATX Intel Server Motherboard  pictureHP 658553-001 Microserver G7 N40L AMD Turion 1.5Ghz 4GB 250GB NHP 658553-421
$225.0
HP 658553-001 Microserver G7 N40L AMD Turion 1.5Ghz 4GB 250GB NHP 658553-421 pictureHP 724493-001 G1610T G8 Microserver 3.5" NHP Backplane and cable kit 718089-001
$95.0
HP 724493-001 G1610T G8 Microserver 3.5


Discussions

No Discussions have been posted on this vulnerability.