CVE-2018-11939 Use after free in Snapdragon Auto, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile

High 7.8 Published 14 Jun 2019 Updated 5 Aug 2024

A use-after-free vulnerability in Qualcomm Snapdragon WLAN firmware allows attackers to execute arbitrary code or cause denial of service via multiple ACS scan requests.

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-2018-11939?

CVE-2018-11939 is a high-severity use after free vulnerability in Qualcomm Mdm9150 Firmware, published on 14 Jun 2019. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Use after issue in WLAN function due to multiple ACS scan requests at a time in Snapdragon Auto, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile in MDM9150, MDM9206, MDM9607, MDM9640, MDM9650, MSM8909W, QCA6574AU, SD 210/SD 212/SD 205, SD 615/16/SD 415, SD 625, SD 650/52, SD 820, SDX20

Weakness: CWE-416

Which versions are affected by CVE-2018-11939?

It affects 18 products.

Products include Qualcomm Mdm9150 Firmware, Qualcomm Mdm9206 Firmware, Qualcomm Mdm9607 Firmware, Qualcomm Mdm9640 Firmware, Qualcomm Mdm9650 Firmware, Qualcomm Msm8909w Firmware and 12 more.

How do I fix CVE-2018-11939?

No fix has been published for CVE-2018-11939 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2018-11939 being exploited?

There is no known exploitation of CVE-2018-11939 in the wild and no public exploit code.

All Qualcomm Mdm9150 Firmware vulnerabilities

Sources

Also known as GHSA-p3hw-88vg-5j26.