Arbitrary file upload in Osticket
CVE-2017-15580
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.
Vulnerability class: Unrestricted File Upload
EPSS: 0.160 (96.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Osticket — versions 1.10.1
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, exploit, x_refsource_EXPLOIT-DB)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (x_refsource_MISC, Broken Link)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2017-15580?
- CVE-2017-15580 is a critical-severity vulnerability in Osticket, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2017-10-23.
- How severe is CVE-2017-15580?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2017-15580 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.