CVE-2023-20948 Memory corruption in Android

High 7.5 Published Updated

A heap buffer overflow in Android's AAVCAssembler allows remote attackers to disclose information without user interaction or additional privileges.

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

What is CVE-2023-20948?

CVE-2023-20948 is a high-severity memory corruption vulnerability in Google Android, published on 28 Feb 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In dropFramesUntilIframe of AAVCAssembler.cpp, there is a possible out of bounds read due to a heap buffer overflow. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12 Android-12L Android-13Android ID: A-230630526

Weakness: CWE-125

Which versions are affected by CVE-2023-20948?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2023-20948?

Apply the vendor's patch.

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

Is CVE-2023-20948 being exploited?

There is no known exploitation of CVE-2023-20948 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as A-230630526, ASB-A-230630526, GHSA-gh94-pg28-7rm2.

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