[SA20618] FAST360 Appliance DNS Analysis Denial of Service

---

Want to join the Secunia Security Team?

Secunia offers a position as a security specialist, where your daily
work involves reverse engineering of software and exploit code,
auditing of source code, and analysis of vulnerability reports.

http://secunia.com/secunia_security_specialist/

---

TITLE:
FAST360 Appliance DNS Analysis Denial of Service

SECUNIA ADVISORY ID:
SA20618

VERIFY ADVISORY:
http://secunia.com/advisories/20618/

CRITICAL:
Moderately critical

IMPACT:
DoS

WHERE:
>From remote

OPERATING SYSTEM:
FAST360 4.x
http://secunia.com/product/10439/
FAST360 3.x
http://secunia.com/product/10438/

DESCRIPTION:
A vulnerability has been reported in FAST360 Appliance, which can be
exploited by malicious people to cause a DoS (Denial of Service).

The vulnerability is cause due to an error within the handling of
certain DNS packets. This can be exploited to cause the appliance to
reboot.

Successful exploitation requires that the FAST DNS module is enabled
and e.g. the appliance is configured to protect a DNS server.

The vulnerability has been reported in the following versions:

• Major release version 3.0 through 3.0/29
• Major release version 4.0 through 4.0/1
• Intermediate releases versions 3.1, 3.2, and 3.3.

SOLUTION:
Update to version 3.0/30 or 4.0/2.

PROVIDED AND/OR DISCOVERED BY:
Reported by vendor based on DNS Test Tool created by Oulu University
Secure Programming Group.

ORIGINAL ADVISORY:
http://www.arkoon.net/upload/alertes/33AK-2006-02-EN-1.0_FAST_DNS_DOS.pdf

OTHER REFERENCES:
NISCC:
http://www.niscc.gov.uk/niscc/docs/re-20060425-00312.pdf?lang=en

---

About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/

Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.