CVE-2018-8845 Memory corruption in WebAccess

Critical 9.8 Published Updated

Heap-based buffer overflow in Advantech WebAccess allows attackers to execute arbitrary code, posing a critical risk to industrial control systems.

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-2018-8845?

CVE-2018-8845 is a critical memory corruption vulnerability in Advantech Webaccess, published on 15 May 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In Advantech WebAccess versions V8.2_20170817 and prior, WebAccess versions V8.3.0 and prior, WebAccess Dashboard versions V.2.0.15 and prior, WebAccess Scada Node versions prior to 8.3.1, and WebAccess/NMS 2.0.3 and prior, a heap-based buffer overflow vulnerability has been identified, which may allow an attacker to execute arbitrary code.

Weakness: CWE-787, CWE-122

Which versions are affected by CVE-2018-8845?

It affects 4 products.

Products include Advantech Webaccess, Advantech Webaccess\/Nms, Advantech Webaccess Dashboard, Advantech Webaccess Scada.

How do I fix CVE-2018-8845?

No fix has been published for CVE-2018-8845 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-2018-8845 being exploited?

There is no known exploitation of CVE-2018-8845 in the wild and no public exploit code.

All Advantech Webaccess vulnerabilities

Sources

Also known as GHSA-r2p8-8cx3-42qq.

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