Arbitrary file upload in Kslabs Ksweb

CVE-2019-15766

The KSLABS KSWEB (aka ru.kslabs.ksweb) application 3.93 for Android allows authenticated remote code execution via a POST request to the AJAX handler with the configFile parameter set to the arbitrary file to be written to (and the config_text parameter set to the content of the file to be created). This can be a PHP file that is written to in the public web directory and subsequently executed. The attacker must have network connectivity to the PHP server that is running on the Android device.

Vulnerability class: Unrestricted File Upload

EPSS: 0.031 (86.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2019-15766?
CVE-2019-15766 is a high-severity vulnerability in Kslabs Ksweb, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2019-10-03.
How severe is CVE-2019-15766?
High severity. CVSS v3 base score is 8.8 out of 10.