CVE-2021-39049 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-2021-39049?

CVE-2021-39049 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: 214439.

Weakness: CWE-787

Which versions are affected by CVE-2021-39049?

It affects 1 product.

Products include Ibm I2 Analysts Notebook.

How do I fix CVE-2021-39049?

No fix has been published for CVE-2021-39049 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-2021-39049 being exploited?

There is no known exploitation of CVE-2021-39049 in the wild and no public exploit code.

Sources

Also known as GHSA-frfh-3v2w-565j.

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