CVE-2018-6318 Other in n/a

High 7.8 Published Updated

Attackers can execute arbitrary code via DLL hijacking in Sophos Tester Tool due to lack of DLL validation during loading.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2018-6318?

CVE-2018-6318 is a high-severity vulnerability in n/a, published on 2 Feb 2018. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

In Sophos Tester Tool 3.2.0.7 Beta, the driver loads (in the context of the application used to test an exploit or ransomware) the DLL using a payload that runs from NTDLL.DLL (so, it's run in userland), but the driver doesn't perform any validation of this DLL (not its signature, not its hash, etc.). A person can change this DLL in a local way, or with a remote connection, to a malicious DLL with the same name -- and when the product is used, this malicious DLL will be loaded, aka a DLL Hijacking attack.

Weakness: CWE-426

Which versions are affected by CVE-2018-6318?

It affects 1 product.

Products include Sophos Sophos Tester.

How do I fix CVE-2018-6318?

No fix has been published for CVE-2018-6318 yet. Limit exposure of the affected software until one is available.

Is CVE-2018-6318 being exploited?

There is no known exploitation of CVE-2018-6318 in the wild and no public exploit code.

Sources

Also known as GHSA-9c2c-8x33-xrjv.

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