JVN#33593387 KDDI sample CGI download program directory traversal vulnerability

Overview

A directory traversal vulnerability exists in a sample CGI download program included with KDDI's EZFactory.

Products Affected

Sample CGI download program

Description

A sample CGI download program is included with KDDI's EZFactory for downloading and saving data such as images and ringtones to EZweb compatible cellular phones. A directory traversal vulnerability exists in this program.

Impact

A remote anauthenticated attacker could access files on the server where this sample CGI download program is installed. This could lead to unintentional disclosure of file contents.

Solution

Update the Software
Please update to the version with CGI download security provided by the vendor.

Vendor Status

Vendor	Status	Last Update	Vendor Notes
KDDI CORPORATION	Vulnerable	2007/07/09

References

JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

Analyzed on 2007.07.09

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 - little to no expertise and/or luck required to exploit (cross-site scripting)	High

Description of each analysis measures

Credit

Hiromitsu Takagi reported this vulnerability to IPA.
JPCERT/CC coordinated with the vendors under Information Security Early Warning Partnership.

Other Information

JPCERT Alert
JPCERT Reports
CERT Advisory
CPNI Advisory
TRnotes
CVE
JVN iPedia	JVNDB-2007-000494