osTicket up to 1.11 CSV File /upload/file.php cross site scripting

Summaryinfo

A vulnerability classified as problematic was found in osTicket up to 1.11. Impacted is an unknown function of the file /upload/file.php of the component CSV File Handler. The manipulation results in cross site scripting. This vulnerability is identified as CVE-2019-11537. The attack can be executed remotely. Additionally, an exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in osTicket up to 1.11 (Ticket Tracking Software). It has been classified as problematic. Affected is an unknown function of the file /upload/file.php of the component CSV File Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity. CVE summarizes:

In osTicket before 1.12, XSS exists via /upload/file.php, /upload/scp/users.php?do=import-users, and /upload/scp/ajax.php/users/import if an agent manager user uploads a crafted .csv file to the User Importer, because file contents can appear in an error message. The XSS can lead to local file inclusion.

The bug was discovered 04/09/2019. The weakness was released 04/25/2019 (Website). The advisory is available at exploit-db.com. This vulnerability is traded as CVE-2019-11537 since 04/25/2019. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. Technical details and a public exploit are known. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 16 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:upload/file.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 1.12 eliminates this vulnerability.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• Ticket Tracking Software

Name

• osTicket

Version

• 1.0
• 1.1
• 1.2
• 1.3
• 1.4
• 1.5
• 1.6
• 1.7
• 1.8
• 1.9
• 1.10
• 1.11

License

• open-source

Website

• Product: https://github.com/osTicket/osTicket/

CPE 2.3info

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• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

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If you want to get best quality of vulnerability data, you may have to visit VulDB.

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