CVE-2021-25456 Memory corruption in Samsung Mobile Devices

Medium 5.5 Published Updated

Attackers can execute arbitrary code via a forged WMF file due to an out-of-bounds read in the libswmfextractor library on Samsung mobile devices.

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-2021-25456?

CVE-2021-25456 is a medium-severity memory corruption vulnerability in Google Android, published on 9 Sep 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

OOB read vulnerability in libswmfextractor.so library prior to SMR Sep-2021 Release 1 allows attackers to execute memcpy at arbitrary address via forged wmf file.

Weakness: CWE-125

Which versions are affected by CVE-2021-25456?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2021-25456?

No fix has been published for CVE-2021-25456 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-2021-25456 being exploited?

There is no known exploitation of CVE-2021-25456 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as GHSA-58r6-g6vr-4gpp.

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