JVN#05088443 CGI RESCUE WebFORM vulnerable to HTTP header injection

Overview

WebFORM released from CGI RESCUE is software that allows the emailing of contents of a HTML form. WebFORM contains a HTTP header injection vulnerability which is caused by improperly processing the output of HTTP headers.

Products Affected

WebFORM 4.3 and earlier

According to the vendor's website, "Web Mailer" released from CGI RESCUE also contains a similar vulnerability.

Description

Impact

Falsified information may be displayed or an arbitrary script may be executed on the user's web browser.

Solution

Vendor Status

Vendor	Link
CGI RESCUE	http://www.rescue.ne.jp/
	http://www.rescue.ne.jp/cgi/webform/
	http://www.rescue.ne.jp/cgi/mailer/

References

JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

Analyzed on 2007.01.25

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

Tomoki Sanaki of International Network Security, Inc. 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-2007-000085