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
EPSS: 0.053 (91.7th percentile) — read the EPSS interpretation.
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.
Affected products
- Otrs — versions 6.0.0, 6.0.1
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
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.