CVE-2018-11870 Memory corruption in Snapdragon Automobile, Snapdragon Mobile, Snapdragon Wear

High 7.8 Published Updated

A buffer overwrite in Qualcomm Snapdragon firmware allows attackers to execute arbitrary code or escalate privileges via unchecked legacy rate counts.

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-2018-11870?

CVE-2018-11870 is a high-severity memory corruption vulnerability in Qualcomm Mdm9206 Firmware, published on 29 Oct 2018. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Buffer overwrite can occur when the legacy rates count received from the host is not checked against the maximum number of legacy rates in Snapdragon Automobile, Snapdragon Mobile, Snapdragon Wear in version MDM9206, MDM9607, MDM9635M, MDM9640, MDM9650, MSM8996AU, QCA4531, QCA6174A, QCA6574AU, QCA6584, QCA6584AU, QCA9377, QCA9378, QCA9379, SD 210/SD 212/SD 205, SD 425, SD 600, SD 625, SD 650/52, SD 810, SD 820, SD 820A, SD 835, SD 845, SD 850, SDA660, SDX20.

Weakness: CWE-119

Which versions are affected by CVE-2018-11870?

It affects 30 products.

Products include Qualcomm Mdm9206 Firmware, Qualcomm Mdm9607 Firmware, Qualcomm Mdm9635m Firmware, Qualcomm Mdm9640 Firmware, Qualcomm Mdm9650 Firmware, Qualcomm Msm8996au Firmware and 24 more.

How do I fix CVE-2018-11870?

No fix has been published for CVE-2018-11870 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-2018-11870 being exploited?

There is no known exploitation of CVE-2018-11870 in the wild and no public exploit code.

All Qualcomm Mdm9206 Firmware vulnerabilities

Sources

Also known as GHSA-jf8c-2xc4-8h78.

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