CVE-2017-18311 Privilege escalation in Snapdragon Automobile, Snapdragon Mobile, Snapdragon Wear

High 7.8 Published 26 Oct 2018 Updated 5 Aug 2024

Attackers can escalate privileges via improper access control on unused xPU configuration ports in Qualcomm Snapdragon processors.

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-2017-18311?

CVE-2017-18311 is a high-severity vulnerability in Qualcomm Mdm9607 Firmware, published on 26 Oct 2018. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

XPU Master privilege escalation is possible due to improper access control of unused configuration xPU ports where unused configuration ports are open in Snapdragon Automobile, Snapdragon Mobile, Snapdragon Wear in version MDM9607, MDM9635M, MDM9640, MDM9645, MDM9650, MDM9655, MSM8909W, MSM8996AU, SD 210/SD 212/SD 205, SD 410/12, SD 425, SD 427, SD 430, SD 435, SD 450, SD 615/16/SD 415, SD 625, SD 650/52, SD 810, SD 820, SD 820A, SD 835, SDA660, SDM429, SDM439, SDM630, SDM632, SDM636, SDM660, Snapdragon_High_Med_2016.

Which versions are affected by CVE-2017-18311?

It affects 35 products.

Products include Qualcomm Mdm9607 Firmware, Qualcomm Mdm9635m Firmware, Qualcomm Mdm9640 Firmware, Qualcomm Mdm9645 Firmware, Qualcomm Mdm9650 Firmware, Qualcomm Mdm9655 Firmware and 29 more.

How do I fix CVE-2017-18311?

No fix has been published for CVE-2017-18311 yet. Limit exposure of the affected software until one is available.

Is CVE-2017-18311 being exploited?

There is no known exploitation of CVE-2017-18311 in the wild and no public exploit code.

All Qualcomm Mdm9607 Firmware vulnerabilities

Sources

Also known as GHSA-2744-97hg-cp37.