CVE-2018-20420 Path traversal in n/a

Medium 4.9 Published 24 Dec 2018 Updated 17 Sep 2024

An attacker can overwrite existing SQL files on the web server via directory traversal in the TemplateName parameter of webERP.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2018-20420?

CVE-2018-20420 is a medium-severity path traversal vulnerability in n/a, published on 24 Dec 2018. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

In webERP 4.15, Z_CreateCompanyTemplateFile.php has Incorrect Access Control, leading to the overwrite of an existing .sql file on the target web site by creating a template and then using ../ directory traversal in the TemplateName parameter.

Weakness: CWE-732

Which versions are affected by CVE-2018-20420?

It affects 1 product.

Products include Weberp Weberp.

How do I fix CVE-2018-20420?

No fix has been published for CVE-2018-20420 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2018-20420 being exploited?

There is no known exploitation of CVE-2018-20420 in the wild and no public exploit code.

Sources

Also known as GHSA-rrjr-6vgw-frf9.