CVE-2022-46295 Open Babel has out-of-bounds write in MSI translationVectors[]

Critical 9.8 Published Updated

A malicious Gaussian file can trigger out-of-bounds writes in Open Babel, allowing arbitrary code execution.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2022-46295?

CVE-2022-46295 is a critical memory corruption vulnerability in Open Babel, published on 21 Jul 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Multiple out-of-bounds write vulnerabilities exist in the translationVectors parsing functionality in multiple supported formats of Open Babel 3.1.1 and master commit 530dbfa3. A specially-crafted malformed file can lead to arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability.This vulnerability affects the Gaussian file format

Weakness: CWE-787, CWE-119

Which versions are affected by CVE-2022-46295?

3 open source packages ship an affected version, including openbabel. It affects 1 product.

PackageAffectedFixed in
openbabel PyPIAll versions3.2.0
openbabel PyPIAll versions3.2.0
openbabel PyPIAll versions3.2.0

Products include Openbabel Open Babel.

How do I fix CVE-2022-46295?

Upgrade openbabel to 3.2.0 or later.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2022-46295 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-46295 exists.

Sources

Also known as DEBIAN-CVE-2022-46295, GHSA-f8h2-c479-vqxf, PYSEC-2026-2780, UBUNTU-CVE-2022-46295.

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