CVE-2019-2099 Memory corruption in Android

High 7.8 Published Updated

A missing bounds check in Android's NFC stack allows local attackers to escalate privileges via an out-of-bound write.

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-2019-2099?

CVE-2019-2099 is a high-severity memory corruption vulnerability in Google Android, published on 7 Jun 2019. 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

In nfa_rw_store_ndef_rx_buf of nfa_rw_act.cc, there is a possible out-of-bound write due to a missing bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation. Product: Android. Versions: Android-7.0 Android-7.1.1 Android-7.1.2 Android-8.0 Android-8.1 Android-9. Android ID: A-123583388.

Weakness: CWE-787

Which versions are affected by CVE-2019-2099?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2019-2099?

No fix has been published for CVE-2019-2099 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-2019-2099 being exploited?

There is no known exploitation of CVE-2019-2099 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as GHSA-jx7v-2grp-7h7p.

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