The Address Book register.php script security bypass

theaddressbook-register-security-bypass (31249)

Medium Risk

Description:

The Address Book could allow a remote attacker to bypass security restrictions, caused by a vulnerability in the register.php script. If "Allow User Self-Registration" is disabled, a remote attacker could bypass security restrictions and create a new user accounts by setting the mode parameter to confirm in a specially-crafted URL request.

*CVSS:

Base Score:	3.5
Access Vector:	Remote
Access Complexity:	Low
Authentication:	Not Required
Confidentiality Impact:	None
Integrity Impact:	Partial
Availability Impact:	None
Temporal Score:	2.8
Exploitability:	Unproven
Remediation Level:	Unavailable
Report Confidence:	Uncorroborated

Consequences:

Bypass Security

Remedy:

No remedy available as of February 6, 2010.

References:

• SourceForge.net: The Address Book.
• BID-21870: The Address Book Multiple Remote Vulnerabilities
• CVE-2006-4580: register.php in The Address Book 1.04e allows remote attackers to bypass the Allow User Self-Registration setting and create arbitrary users by setting the mode parameter to confirm.
• SA21694: The Address Book Multiple Vulnerabilities

Platforms Affected:

• The Address Book The Address Book 1.04e and prior

Reported:

Jan 03, 2007

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For corrections or additions please email xforce@iss.net

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* According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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IBM Internet Security Systems is a trusted security advisor to thousands of the world's leading businesses and governments, helping to provide pre-emptive protection for networks, desktops and servers. The IBM Proventia? integrated security platform is designed to automatically protect against both known and unknown threats, helping to keep networks up and running and shield customers from online attacks before they impact business assets. IBM Internet Security Systems products and services are based on the proactive security intelligence of its X-Force? research and development team ? an unequivocal world authority in vulnerability and threat research. The IBM Internet Security Systems product line is also complemented by comprehensive Managed Security Services and Professional Security Services. For more information, visit the IBM Internet Security Systems Web site at www.iss.net or call 800-776-2362.