CVE-2020-10637 Memory corruption in Eaton HMiSoft VU3 (HMIVU3 runtime not impacted)

Medium 5.5 Published Updated

A specially crafted input file can trigger an out-of-bounds read in Eaton HMiSoft VU3, potentially causing crashes or information disclosure.

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-2020-10637?

CVE-2020-10637 is a medium-severity memory corruption vulnerability in Eaton HMiSoft VU3 (HMIVU3 runtime not impacted), published on 15 Apr 2020. 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

Eaton HMiSoft VU3 (HMIVU3 runtime not impacted), Version 3.00.23 and prior, however, the HMIVU runtimes are not impacted by these issues. A specially crafted input file could trigger an out-of-bounds read when loaded by the affected product.

Weakness: CWE-125

Which versions are affected by CVE-2020-10637?

It affects 1 product.

Products include Eaton Hmisoft Vu3 Firmware.

How do I fix CVE-2020-10637?

No fix has been published for CVE-2020-10637 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2020-10637 being exploited?

There is no known exploitation of CVE-2020-10637 in the wild and no public exploit code.

Sources

Also known as GHSA-pq33-cxrq-7673.

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