Arbitrary file upload in Vtiger CRM - CVE-2016-1713
Published: April 14, 2017 / Updated: June 17, 2021
Vulnerability identifier: #VU39178
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Clear
CVE-ID: CVE-2016-1713
CWE-ID: CWE-434
Exploitation vector: Local access
Exploit availability:
Public exploit is available
Vendor: Vtiger
Affected software:
Vtiger CRM
Vtiger CRM
Detailed vulnerability description
The vulnerability allows a local authenticated user to execute arbitrary code.
Unrestricted file upload vulnerability in the Settings_Vtiger_CompanyDetailsSave_Action class in modules/Settings/Vtiger/actions/CompanyDetailsSave.php in Vtiger CRM 6.4.0 allows remote authenticated users to execute arbitrary code by uploading a crafted image file with an executable extension, then accessing it via a direct request to the file in test/logo/. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-6000.
How to mitigate CVE-2016-1713
Install update from vendor's website.