IBM AIX TCP Large Send Denial of Service Vulnerability

This script is Copyright (C) 2012 Tenable Network Security, Inc.


Synopsis :

The remote host is running a version of IBM AIX that is affected by
a denial of service vulnerability.

Description :

The remote host is running a version of IBM AIX that could allow a
remote attacker to cause a denial of service, due to an error when
the TCP large send offload option is enabled on a network interface.
By sending a specially crafted sequence of packets, an attacker
could exploit this vulnerability to cause a kernel panic.

Note that this plugin requires RFC 1323 to be enabled on the remote
host.

See also :

http://aix.software.ibm.com/aix/efixes/security/large_send_advisory.asc

Solution :

Apply the fixes as described in the vendor's advisory.

Risk factor :

High / CVSS Base Score : 7.8
(CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C)
CVSS Temporal Score : 5.8
(CVSS2#E:U/RL:OF/RC:C)
Public Exploit Available : false

Family: General

Nessus Plugin ID: 59917 ()

Bugtraq ID: 51864

CVE ID: CVE-2012-0194