CVE-2017-13252 Memory corruption in Android

High 7.8 Published Updated

An out-of-bounds write in Android's CryptoHal allows local attackers to escalate privileges via uninitialized memory access.

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-2017-13252?

CVE-2017-13252 is a high-severity memory corruption vulnerability in Google Android, published on 4 Apr 2018. 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 CryptoHal::decrypt of CryptoHal.cpp, there is an out of bounds write due to improper input validation that results in a read from uninitialized memory. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation. Product: Android. Versions: 8.0, 8.1. Android ID: A-70526702.

Weakness: CWE-787

Which versions are affected by CVE-2017-13252?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2017-13252?

No fix has been published for CVE-2017-13252 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-2017-13252 being exploited?

There is no known exploitation of CVE-2017-13252 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as GHSA-5j9x-hfh5-p28v.

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