CVE-2018-11940 Memory corruption in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile

Critical 9.8 Published 24 May 2019 Updated 5 Aug 2024

Out-of-bounds memory access in WLAN firmware allows attackers to execute arbitrary code or cause denial of service on affected Qualcomm Snapdragon devices.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2018-11940?

CVE-2018-11940 is a critical memory corruption vulnerability in Qualcomm Mdm9150 Firmware, published on 24 May 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Lack of check in length before using memcpy in WLAN function can lead to OOB access in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile in MDM9150, MDM9206, MDM9607, MDM9640, MDM9650, MSM8996AU, QCS605, SD 625, SD 636, SD 712 / SD 710 / SD 670, SD 820, SD 820A, SD 835, SD 845 / SD 850, SD 855, SDA660, SDM630, SDM660, SDX20, SDX24, SXR1130

Weakness: CWE-119

Which versions are affected by CVE-2018-11940?

It affects 24 products.

Products include Qualcomm Mdm9150 Firmware, Qualcomm Mdm9206 Firmware, Qualcomm Mdm9607 Firmware, Qualcomm Mdm9640 Firmware, Qualcomm Mdm9650 Firmware, Qualcomm Msm8996au Firmware and 18 more.

How do I fix CVE-2018-11940?

No fix has been published for CVE-2018-11940 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-2018-11940 being exploited?

There is no known exploitation of CVE-2018-11940 in the wild and no public exploit code.

All Qualcomm Mdm9150 Firmware vulnerabilities

Sources

Also known as GHSA-22qm-pq7c-f85x.