[SA20515] WebFORM and FORM2MAIL Mail Header Injection Vulnerability

---

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:
WebFORM and FORM2MAIL Mail Header Injection Vulnerability

SECUNIA ADVISORY ID:
SA20515

VERIFY ADVISORY:
http://secunia.com/advisories/20515/

CRITICAL:
Moderately critical

IMPACT:
Security Bypass

WHERE:
>From remote

SOFTWARE:
WebFORM 4.x
http://secunia.com/product/10398/
FORM2MAIL 1.x
http://secunia.com/product/10399/

DESCRIPTION:
A vulnerability has been reported in WebFORM and FORM2MAIL, which can
be exploited by malicious people to bypass certain security
restrictions.

Input passed to unspecified parameters isn't properly sanitised
before being used to construct an email message. This can be
exploited to inject arbitrary email headers, which allows the sending
of spam messages from the server.

The vulnerability has been reported in the following products:

• WebFORM version 4.1 and prior.
• FORM2MAIL version 1.21 and prior.

SOLUTION:
Update to the fixed versions.

WebFORM:
Update to version 4.2 or later.
http://www.rescue.ne.jp/cgi/webform/

FORM2MAIL:
Update to version 1.22 or later.
http://www.rescue.ne.jp/cgi/form2mail/

PROVIDED AND/OR DISCOVERED BY:
Discovered by Business Architects and reported via IPA and JPCERT/CC.

ORIGINAL ADVISORY:
http://www.rescue.ne.jp/whatsnew/blog.cgi/permalink/20060216124645

JVN:
http://jvn.jp/jp/JVN%2339570254/index.html

---

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.