CVE-2021-37164 Memory corruption in n/a

Critical 9.8 Published Updated

A stack-based buffer overflow in the Nexus Panel HMI allows remote attackers to execute arbitrary code via crafted network packets.

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-2021-37164?

CVE-2021-37164 is a critical memory corruption vulnerability in n/a, published on 2 Aug 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A buffer overflow issue was discovered in HMI3 Control Panel in Swisslog Healthcare Nexus Panel operated by released versions of software before Nexus Software 7.2.5.7. In the tcpTxThread function, the received data is copied to a stack buffer. An off-by-3 condition can occur, resulting in a stack-based buffer overflow.

Weakness: CWE-787

Which versions are affected by CVE-2021-37164?

It affects 1 product.

Products include Swisslog-Healthcare Hmi-3 Control Panel Firmware.

How do I fix CVE-2021-37164?

No fix has been published for CVE-2021-37164 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-2021-37164 being exploited?

There is no known exploitation of CVE-2021-37164 in the wild and no public exploit code.

Sources

Also known as GHSA-ccx2-558q-j46x.

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