FlatNuke gallery file upload code execution

flatnuke-gallery-code-execution (27731)

Medium Risk

Description:

FlatNuke could allow a remote attacker to execute arbitrary code on the system caused by improper validation of image files. If Gallery uploads are enabled, a remote attacker could upload a malicious PHP file and access the file in a URL request to execute arbitrary commands on the 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:	2.5
Exploitability:	Unproven
Remediation Level:	Official-Fix
Report Confidence:	Confirmed

Consequences:

Gain Access

Remedy:

Upgrade to the latest version of FlatNuke (2.6 or later), available from the FlatNuke Web site. See References.

References:

• BugTraq Mailing List, Thu Jul 13 2006 - 12:00:40 CDT : flatnuke <= 2.5.7 arbitrary php file upload.
• FlatNuke Web site: FlatNuke Home page.
• BID-18966: FlatNuke Index.php Remote File Include Vulnerability
• CVE-2006-3608: The Gallery module in Simone Vellei Flatnuke 2.5.7 and earlier, when Gallery uploads are enabled, does not restrict the extensions of uploaded files that begin with a GIF header, which allows remote authenticated users to execute arbitrary PHP code via an uploaded .php file.
• SA21051: FlatNuke File Upload Vulnerability
• SECTRACK ID: 1016499: FlatNuke Gallery Module Lets Remote Users Upload and Execute Arbitrary Code

Platforms Affected:

• FlatNuke FlatNuke 2.5.7 and prior

Reported:

Jul 13, 2006

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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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