w2box double extension file upload

w2box-doubleextension-file-upload (34302)

Medium Risk

Description:

w2box could allow a remote attacker to upload arbitrary files, caused by improper validation of file extensions. A remote attacker could send a specially-crafted request with a double extension (.php.jpg) to upload a malicious file, which could allow the attacker to execute arbitrary PHP code on the vulnerable system.

*CVSS:

Base Score:	3.4
Access Vector:	Remote
Access Complexity:	High
Authentication:	Required
Confidentiality Impact:	Partial
Integrity Impact:	Partial
Availability Impact:	Partial
Temporal Score:	2.7
Exploitability:	Unproven
Remediation Level:	Unavailable
Report Confidence:	Uncorroborated

Consequences:

Gain Access

Remedy:

No remedy available as of May 1, 2013.

References:

• BugTraq Mailing List, Mon May 14 2007 - 16:10:13 CDT : ImI image file inclusion in script upload.
• w2box Web site: w2box - Web 2.0 File Repository for PHP | labs.beffa.org.
• BID-23975: W2Box Arbitrary File Upload Vulnerability
• CVE-2007-2742: Unrestricted file upload vulnerability in labs.beffa.org w2box 4.0.0 Beta4 allows remote attackers to upload arbitrary PHP code via a filename with a double extension such as .php.jpg.
• OSVDB ID: 36830: w2box File Upload Multiple Extension Arbitrary PHP Code Execution

Platforms Affected:

• labs.beffa.org w2box 2.0

Reported:

May 14, 2007

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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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