JVN#13011682 SEIL/X Series and SEIL/B1 denial of service vulnerability

Overview

SEIL/X Series and SEIL/B1 contain a denial of service (DoS) vulnerability.

Products Affected

SEIL/X1 firmware 2.30 to 2.51
SEIL/X2 firmware 2.30 to 2.51
SEIL/B1 firmware 2.30 to 2.51

Description

SEIL/X Series and SEIL/B1 are routers. SEIL/X Series and SEIL/B1 contain an issue in the processing by the NAT function, which may lead to a denial of service (DoS) vulnerability.

Impact

When processing a specially crafted packet, a remote attacker may cause a denial of service.

Solution

Update the Software
Update to the latest version according to the information provided by the developer.

Vendor Status

Vendor	Status	Last Update	Vendor Notes
Internet Initiative Japan Inc.	Vulnerable	2009/10/28

References

JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

Analyzed on 2009.10.28

Measures	Conditions	Severity
Access Required	Routed - can be attacked over the Internet using packets	High
Authentication	None - anonymous or no authentication (IP addresses do not count)	High
User Interaction Required	None - the vulnerability can be exploited without an honest user taking any action	High
Exploit Complexity	Low-Medium - some expertise and/or luck required (most buffer overflows, guessing correctly in small space, expertise in Windows function calls)	Medium-High

Description of each analysis measures

Credit

Other Information

JPCERT Alert
JPCERT Reports
CERT Advisory
CPNI Advisory
TRnotes
CVE	CVE-2009-4293
JVN iPedia	JVNDB-2009-000070