Unrestricted file upload in ColdFusion - CVE-2018-15961
Published: September 11, 2018 / Updated: October 6, 2022
Vulnerability identifier: #VU14752
CSH Severity: Critical
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red
CVE-ID: CVE-2018-15961
CWE-ID: CWE-434
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vendor: Adobe
Affected software:
ColdFusion
ColdFusion
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to input validation error when processing file uploads in "/cf_scripts/scripts/ajax/ckeditor/plugins/filemanager/upload.cfm". A remote non-authenticated attacker can upload and execute arbitrary file on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Note: this vulnerability is being actively exploited in the wild to upload a China Chopper webshell.
How to mitigate CVE-2018-15961
Install update from vendor's website.