Arbitrary file upload in Navigate CMS - CVE-2018-17553
Published: October 22, 2018 / Updated: October 23, 2018
Vulnerability identifier: #VU15464
CSH Severity: High
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:Amber
CVE-ID: CVE-2018-17553
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vendor: Naviwebs
Affected software:
Navigate CMS
Navigate CMS
Detailed vulnerability description
The vulnerability allows a remote attacker to conduct directory traversal attack on the target system.
The vulnerability exists in the navigate_upload.php code due to insufficient validation of user-supplied input. A remote attacker can send a POST request with engine=picnik and id=../../../navigate_info.php. that submits malicious directory traversal characters, upload PHP files to arbitrary locations on the system, bypass authentication and execute arbitrary code with elevated privileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
How to mitigate CVE-2018-17553
Update to version 2.8.5 r1355.