CVE-2020-0235 Memory corruption in Android

Critical 9.8 Published Updated

A memory corruption vulnerability in the Android kernel allows attackers to overwrite memory and potentially execute arbitrary code or escalate privileges.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2020-0235?

CVE-2020-0235 is a critical memory corruption vulnerability in Google Android, published on 16 Jun 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In crus_sp_shared_ioctl we first copy 4 bytes from userdata into "size" variable, and then use that variable as the size parameter for "copy_from_user", ending up overwriting memory following "crus_sp_hdr". "crus_sp_hdr" is a static variable, of type "struct crus_sp_ioctl_header".Product: AndroidVersions: Android kernelAndroid ID: A-135129430

Weakness: CWE-787

Which versions are affected by CVE-2020-0235?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2020-0235?

No fix has been published for CVE-2020-0235 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-2020-0235 being exploited?

There is no known exploitation of CVE-2020-0235 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as GHSA-h84p-hq3c-2mgw.

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