CVE-2024-6383 MongoDB C Driver bson_string_append may be vulnerable to a buffer overflow

Medium 5.3 Published Updated

A buffer overflow in the MongoDB C Driver's bson_string_append function allows attackers to corrupt heap memory, potentially leading to code execution or crashes.

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

What is CVE-2024-6383?

CVE-2024-6383 is a medium-severity memory corruption vulnerability in MongoDB Inc libbson, published on 3 Jul 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The bson_string_append function in MongoDB C Driver may be vulnerable to a buffer overflow where the function might attempt to allocate too small of buffer and may lead to memory corruption of neighbouring heap memory. This issue affects libbson versions prior to 1.27.1

Weakness: CWE-122

Which versions are affected by CVE-2024-6383?

How do I fix CVE-2024-6383?

Upgrade to a fixed version.

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

Is CVE-2024-6383 being exploited?

There is no known exploitation of CVE-2024-6383 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2024-6383, GHSA-w25p-2jj3-j5vr, OESA-2024-1880, UBUNTU-CVE-2024-6383.

Is CVE-2024-6383 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free