CVE-2022-40923 LIEF vulnerable to denial of service through segmentation fault

Medium 6.5 Published Updated

Attackers can cause a denial of service via segmentation fault by providing a crafted MachO file to the LIEF library.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2022-40923?

CVE-2022-40923 is a medium-severity denial of service vulnerability in n/a, published on 30 Sep 2022. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

A vulnerability in the LIEF::MachO::SegmentCommand::virtual_address function of LIEF v0.12.1 allows attackers to cause a denial of service (DOS) through a segmentation fault via a crafted MachO file.

Weakness: CWE-20

Which versions are affected by CVE-2022-40923?

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

PackageAffectedFixed in
lief PyPIAll versions to 0.12.1None
lief PyPIAll versions to 0.12.1None
lief PyPIAll versions to 0.12.1None

Products include Lief-Project Lief.

How do I fix CVE-2022-40923?

No fix has been published for CVE-2022-40923 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2022-40923 being exploited?

There is no known exploitation of CVE-2022-40923 in the wild and no public exploit code.

Sources

Also known as GHSA-rm2x-hgr8-w343, PYSEC-2022-43139.

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