#VU55412 Improper control of interaction frequency in osTicket


Published: 2021-07-28

Vulnerability identifier: #VU55412

Vulnerability risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-799

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
osTicket
Other software / Other software solutions

Vendor: osTicket.com

Description

The vulnerability allows a remote user to perform a denial of service (DoS) attack.

The vulnerability exists due to absent anti-automation checks on tickets submission. A remote user can open arbitrary number of tickets by constantly refreshing the page in browser after successful ticket creation.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

osTicket: 1.0 - 1.x


External links
http://github.com/osTicket/osTicket/releases/tag/v1.14.7
http://github.com/osTicket/osTicket/releases/tag/v1.15.3
http://github.com/osTicket/osTicket/commit/fd560df05868b770e113ec022c77f25d9df5e011


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability