Vulnerability CVE-2019-14748
Published: 2019-08-07

Description:
An issue was discovered in osTicket before 1.10.7 and 1.12.x before 1.12.1. The Ticket creation form allows users to upload files along with queries. It was found that the file-upload functionality has fewer (or no) mitigations implemented for file content checks; also, the output is not handled properly, causing persistent XSS that leads to cookie stealing or malicious actions. For example, a non-agent user can upload a .html file, and Content-Disposition will be set to inline instead of attachment.

See advisories in our WLB2 database:
Topic
Author
Date
High
osTicket 1.12 File Upload Cross Site Scripting
Aishwarya Iyer
12.08.2019

Type:

CWE-79

 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'))

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
3.5/10
2.9/10
6.8/10
Exploit range
Attack complexity
Authentication
Remote
Medium
Single time
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
Osticket -> Osticket 

 References:
http://packetstormsecurity.com/files/154003/osTicket-1.12-File-Upload-Cross-Site-Scripting.html
https://github.com/osTicket/osTicket/commit/33ed106b1602f559a660a69f931a9d873685d1ba
https://github.com/osTicket/osTicket/releases/tag/v1.10.7
https://github.com/osTicket/osTicket/releases/tag/v1.12.1
https://www.exploit-db.com/exploits/47224
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