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CVE-2017-15580

9.8 · CRITICAL

osTicket 1.10.1 provides a functionality to upload 'html' files with associated formats.

Published Oct 23, 2017CWE-434EPSS 15.56%

Overview

CVE-2017-15580 is a critical-severity vulnerability. It was published on October 23, 2017 and has a CVSS 3.0 base score of 9.8 (CRITICAL).

This vulnerability has a CVSS 3.0 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Ref0day.today/exploits/28864Refnakedsecurity.com/cve/CVE-2017-15580/Refbecomepentester.blogspot.com/2017/10/osTicket-File-Upload-Restrictions-Bypassed-CVE-2017-15580.htmlRefcxsecurity.com/issue/WLB-2017100187Refpacketstormsecurity.com/files/144747/osticket1101-shell.txtRefwww.cyber-security.ro/blog/2017/10/25/osticket-1-10-1-shell-upload/Refwww.exploit-db.com/exploits/45169/Ref0day.today/exploits/28864Refnakedsecurity.com/cve/CVE-2017-15580/Refbecomepentester.blogspot.com/2017/10/osTicket-File-Upload-Restrictions-Bypassed-CVE-2017-15580.html

How CyberStrike helps

Frequently asked questions

What is CVE-2017-15580?

CVE-2017-15580 is a critical-severity vulnerability. It was published on October 23, 2017 and has a CVSS 3.0 base score of 9.8 (CRITICAL).

How severe is CVE-2017-15580?

This vulnerability has a CVSS 3.0 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2017-15580?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2017-15580?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2017-15580 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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