CVE-2018-11277 Missing authorization in Snapdragon Automobile, Snapdragon Mobile, Snapdragon Wear

High 7.8 Published Updated

Inadequate permissions in Qualcomm Snapdragon firmware allow any installed app to access Radio Interface Layer, potentially leading to privilege escalation and data exposure.

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-2018-11277?

CVE-2018-11277 is a high-severity missing authorization vulnerability in Qualcomm Msm8909w Firmware, published on 20 Sep 2018. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In Snapdragon (Automobile, Mobile, Wear) in version MSM8909W, MSM8996AU, SD 210/SD 212/SD 205, SD 430, SD 450, SD 615/16/SD 415, SD 617, SD 625, SD 650/52, SD 810, SD 820, SD 820A, SD 835, SD 845, SDA660, the com.qualcomm.embms is a vendor package deployed in the system image which has an inadequate permission level and allows any application installed from Play Store to request this permission at install-time. The system application interfaces with the Radio Interface Layer leading to potential access control issue.

Weakness: CWE-732

Which versions are affected by CVE-2018-11277?

It affects 20 products.

Products include Qualcomm Msm8909w Firmware, Qualcomm Msm8996au Firmware, Qualcomm Sd205 Firmware, Qualcomm Sd210 Firmware, Qualcomm Sd212 Firmware, Qualcomm Sd415 Firmware and 14 more.

How do I fix CVE-2018-11277?

No fix has been published for CVE-2018-11277 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2018-11277 being exploited?

There is no known exploitation of CVE-2018-11277 in the wild and no public exploit code.

All Qualcomm Msm8909w Firmware vulnerabilities

Sources

Also known as GHSA-3r4g-4ppr-wmc9.

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