CVE-2018-11262 Memory corruption in Android for MSM, Firefox OS for MSM, QRD Android

High 7.8 Published 4 Sep 2018 Updated 5 Aug 2024

An out-of-bounds write in the GPT patching logic allows attackers to execute arbitrary code or escalate privileges on Qualcomm-based Android devices.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2018-11262?

CVE-2018-11262 is a high-severity memory corruption vulnerability in Google Android, published on 4 Sep 2018. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In Android for MSM, Firefox OS for MSM, and QRD Android with all Android releases from CAF using the Linux kernel while trying to find out total number of partition via a non zero check, there could be possibility where the 'TotalPart' could cross 'GptHeader->MaxPtCnt' and which could result in OOB write in patching GPT.

Weakness: CWE-787, CWE-682

Which versions are affected by CVE-2018-11262?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2018-11262?

No fix has been published for CVE-2018-11262 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-2018-11262 being exploited?

There is no known exploitation of CVE-2018-11262 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as GHSA-q3g2-95m7-256q.