Arbitrary file upload in Rukovoditel

CVE-2018-20166

A file-upload vulnerability exists in Rukovoditel 2.3.1. index.php?module=configuration/save allows the user to upload a background image, and mishandles extension checking. It accepts uploads of PHP content if the first few characters match GIF data, and the filename ends in ".php" with mixed case, such as the .pHp extension.

Vulnerability class: Unrestricted File Upload

EPSS: 0.071 (93.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

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, exploit, x_refsource_EXPLOIT-DB)

Frequently asked questions

What is CVE-2018-20166?
CVE-2018-20166 is a high-severity vulnerability in Rukovoditel, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2019-01-02.
How severe is CVE-2018-20166?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2018-20166 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.