JVN#24879092 CGI RESCUE WebFORM missing mail content vulnerability

Overview

WebFORM from CGI RESCUE is software that enables the emailing of contents of an HTML form. A vulnerability exists in WebFORM. By entering a particular string in the message body, a message missing sender information could be sent.

Products Affected

WebFORM 4.3 and earlier

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

Description

Impact

Some part of the sender information in the message may be lost.

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-2007-000087