SB2018012626 - Arbitrary file upload in WonderCMS
Published: January 26, 2018 Updated: August 8, 2020
Security Bulletin ID
SB2018012626
CSH Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Arbitrary file upload (CVE-ID: CVE-2017-14521)
CWE-ID: CWE-434 - Unrestricted Upload of File with Dangerous Type
CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote authenticated user to execute arbitrary code.
In WonderCMS 2.3.1, the upload functionality accepts random application extensions and leads to malicious File Upload.
Remediation
Install update from vendor's website.