Vulnerability CVE-2014-5298
Published: 2014-10-09   Modified: 2014-10-10

Description:
FileUploadsFilter.php in X2Engine 4.1.7 and earlier, when running on case-insensitive file systems, allows remote attackers to bypass the upload blacklist and conduct unrestricted file upload attacks by uploading a file with an executable extension that contains uppercase letters, as demonstrated using a PHP program.

See advisories in our WLB2 database:
Topic
Author
Date
High
X2Engine <= 4.1.7 (FileUploadsFilter.php) Unrestricted File Upload Vulnerability
Egidio Romano
24.09.2014

Type:

CWE-264

 (Permissions, Privileges, and Access Controls)

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
X2engine -> X2engine 

 References:
http://karmainsecurity.com/KIS-2014-10
http://packetstormsecurity.com/files/128353/X2Engine-4.1.7-Unrestricted-File-Upload.html
http://seclists.org/fulldisclosure/2014/Sep/78
http://www.securityfocus.com/archive/1/533514/100/0/threaded
https://github.com/X2Engine/X2Engine/blob/master/CHANGELOG.md
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