CVE-2021-39050 Memory corruption in i2 Analyst's Notebook

Medium 5.3 Published Updated

A local attacker can exploit a stack-based buffer overflow in IBM i2 Analyst's Notebook to gain lower-level privileges.

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-2021-39050?

CVE-2021-39050 is a medium-severity memory corruption vulnerability in IBM i2 Analyst's Notebook, published on 13 Dec 2021. 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

IBM i2 Analyst's Notebook 9.2.0, 9.2.1, and 9.2.2 is vulnerable to a stack-based buffer overflow, caused by improper bounds checking. A local attacker could overflow a buffer and gain lower level privileges. IBM X-Force ID: 214440.

Weakness: CWE-787

Which versions are affected by CVE-2021-39050?

It affects 1 product.

Products include Ibm I2 Analysts Notebook.

How do I fix CVE-2021-39050?

No fix has been published for CVE-2021-39050 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-2021-39050 being exploited?

There is no known exploitation of CVE-2021-39050 in the wild and no public exploit code.

Sources

Also known as GHSA-6r6w-66x9-r2cx.

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