Arbitrary file upload in Ozeki NG SMS Gateway - CVE-2020-14022
Published: September 22, 2020 / Updated: September 24, 2020
Vulnerability identifier: #VU47077
CSH Severity: High
CVSSv4.0: 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/E:U/U:Amber
CVE-ID: CVE-2020-14022
CWE-ID: CWE-434
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Ozeki NG SMS Gateway
Ozeki NG SMS Gateway
Software vendor:
Ozeki Ltd.
Ozeki Ltd.
Description
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to insufficient validation of file when importing contacts via the "Import Contacts" functionality. A remote user can upload a .bat file and execute it on the server.
Remediation
Install updates from vendor's website.
External links
- https://github.com/DrunkenShells/Disclosures/tree/master/CVE-2020-14022-Dangerous%20File%20Upload-Ozeki%20SMS%20Gateway
- https://www.ozeki.hu/index.php?ow_page_number=1017&downloadaction=email&download_product_id=1&os=windows&dpath=%2Fattachments%2F702%2Finstallwindows_1590575794_OzekiNG-SMS-Gateway_4.17.6.zip&dname=Ozeki+NG+SMS+Gateway+v4.17.6&dsize=+%2817.8+MB%29&platform=Windows
- https://www.ozeki.hu/index.php?owpn=231