CVE-2020-11068 Potential Buffer Overflow in LoRaMac-node

Medium 5.0 Published Updated

Attackers can trigger a buffer overflow in LoRaMac-node by sending oversized packets, potentially leading to code execution or crashes.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2020-11068?

CVE-2020-11068 is a medium-severity memory corruption vulnerability in LoRaMac-node, published on 23 Jun 2020. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

In LoRaMac-node before 4.4.4, a reception buffer overflow can happen due to the received buffer size not being checked. This has been fixed in 4.4.4.

Weakness: CWE-120

Which versions are affected by CVE-2020-11068?

It affects 1 product.

Products include Semtech Loramac-Node.

How do I fix CVE-2020-11068?

No fix has been published for CVE-2020-11068 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-2020-11068 being exploited?

There is no known exploitation of CVE-2020-11068 in the wild and no public exploit code.

Sources

Also known as GHSA-559p-6xgm-fpv9.

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