CVE-2017-15580 Information

Description

osTicket 1.10.1 provides a functionality to upload ‘html’ files with associated formats. However it does not properly validate the uploaded file’s contents and thus accepts any type of file such as with a tickets.php request that is modified with a .html extension changed to a .exe extension. An attacker can leverage this vulnerability to upload arbitrary files on the web application having malicious content.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

http://0day.today/exploits/28864 http://nakedsecurity.com/cve/CVE-2017-15580/ https://becomepentester.blogspot.com/2017/10/osTicket-File-Upload-Restrictions-Bypassed-CVE-2017-15580.html https://cxsecurity.com/issue/WLB-2017100187 https://packetstormsecurity.com/files/144747/osticket1101-shell.txt https://www.cyber-security.ro/blog/2017/10/25/osticket-1-10-1-shell-upload/ https://www.exploit-db.com/exploits/45169/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8