Arbitrary file upload in Otrs

CVE-2018-7567

In the Admin Package Manager in Open Ticket Request System (OTRS) 5.0.0 through 5.0.24 and 6.0.0 through 6.0.1, authenticated admins are able to exploit a Blind Remote Code Execution vulnerability by loading a crafted opm file with an embedded CodeInstall element to execute a command on the server during package installation. NOTE: the vendor disputes this issue stating "the behaviour is as designed and needed for different packages to be installed", "there is a security warning if the package is not verified by OTRS Group", and "there is the possibility and responsibility of an admin to check packages before installation which is possible as they are not binary.

Vulnerability class: Unrestricted File Upload

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.052 (92.2th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 92.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2018-7567: held from 0.052 to 0.052.

EPSS over last 30 days · oldest: 0.052 · newest: 0.052 · change: 0.000

Affected products

  • Otrs — versions 6.0.0, 6.0.1

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2018-7567?
CVE-2018-7567 is a high-severity vulnerability in Otrs, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 7.2/10. Published 2018-03-04.
How severe is CVE-2018-7567?
High severity. CVSS v3 base score is 7.2 out of 10.