CVE-2020-10126 Code injection in SelfServ ATM

High 7.6 Published Updated

Attackers with physical access can execute arbitrary code with SYSTEM privileges by exploiting unvalidated software updates on NCR ATMs.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2020-10126?

CVE-2020-10126 is a high-severity code injection vulnerability in NCR SelfServ ATM, published on 21 Aug 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

NCR SelfServ ATMs running APTRA XFS 05.01.00 do not properly validate softare updates for the bunch note acceptor (BNA), enabling an attacker with physical access to internal ATM components to restart the host computer and execute arbitrary code with SYSTEM privileges because while booting, the update process looks for CAB archives on removable media and executes a specific file without first validating the signature of the CAB archive.

Weakness: CWE-347, CWE-305

Which versions are affected by CVE-2020-10126?

It affects 1 product.

Products include Ncr Aptra Xfs.

How do I fix CVE-2020-10126?

No fix has been published for CVE-2020-10126 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2020-10126 being exploited?

There is no known exploitation of CVE-2020-10126 in the wild and no public exploit code.

Sources

Also known as GHSA-mp5p-gq8q-gcgg.

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