CVE-2020-4436 Memory corruption in Aspera Application Platform On Demand

High 8.8 Published 10 Jun 2020 Updated 16 Sep 2024

Authenticated attackers can execute arbitrary code via a buffer overflow in IBM Aspera applications, requiring immediate patching.

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-2020-4436?

CVE-2020-4436 is a high-severity memory corruption vulnerability in IBM Aspera Application Platform On Demand, published on 10 Jun 2020. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Certain IBM Aspera applications are vulnerable to buffer overflow after valid authentication, which could allow an attacker with intimate knowledge of the system to execute arbitrary code through a service. IBM X-Force ID: 180902.

Weakness: CWE-120

Which versions are affected by CVE-2020-4436?

It affects 10 products.

Products include Ibm Aspera Application Platform on Demand, Ibm Aspera Faspex on Demand, Ibm Aspera High-Speed Transfer Endpoint, Ibm Aspera High-Speed Transfer Server, Ibm Aspera High-Speed Transfer Server for Cloud Pak for Integration, Ibm Aspera Proxy Server and 4 more.

How do I fix CVE-2020-4436?

No fix has been published for CVE-2020-4436 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-2020-4436 being exploited?

There is no known exploitation of CVE-2020-4436 in the wild and no public exploit code.

Sources

Also known as GHSA-9vrg-pr26-w94g.