CVE-2018-20128 Path traversal in n/a

High 7.5 Published Updated

Remote attackers can delete arbitrary files in UsualToolCMS via directory traversal in the admin backup script.

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

What is CVE-2018-20128?

CVE-2018-20128 is a high-severity path traversal vulnerability in n/a, published on 13 Dec 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue was discovered in UsualToolCMS v8.0. cmsadmin\a_sqlback.php allows remote attackers to delete arbitrary files via a backname[] directory-traversal pathname followed by a crafted substring.

Weakness: CWE-22

Which versions are affected by CVE-2018-20128?

It affects 1 product.

Products include Usualtool Usualtoolcms.

How do I fix CVE-2018-20128?

No fix has been published for CVE-2018-20128 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-2018-20128 being exploited?

There is no known exploitation of CVE-2018-20128 in the wild and no public exploit code.

Sources

Also known as GHSA-wgjx-pg85-qphq.

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