CVE-2018-11259 Missing authorization in Snapdragon Automobile, Snapdragon Mobile, Snapdragon Wear

High 7.7 Published Updated

Attackers with fastboot access can erase and modify the EFS partition on Snapdragon devices before modem boot, compromising secure storage integrity.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2018-11259?

CVE-2018-11259 is a high-severity missing authorization vulnerability in Qualcomm Mdm9206 Firmware, published on 6 Jul 2018. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Due to Improper Access Control of NAND-based EFS in Snapdragon Automobile, Snapdragon Mobile and Snapdragon Wear, From fastboot on a NAND-based device, the EFS partition can be erased. Apps processor then has non-secure world full read/write access to the partition until the modem boots and configures the EFS partition addresses in its MPU partition.

Weakness: CWE-732

Which versions are affected by CVE-2018-11259?

It affects 38 products.

Products include Qualcomm Mdm9206 Firmware, Qualcomm Mdm9607 Firmware, Qualcomm Mdm9635m Firmware, Qualcomm Mdm9640 Firmware, Qualcomm Mdm9650 Firmware, Qualcomm Mdm9655 Firmware and 32 more.

How do I fix CVE-2018-11259?

No fix has been published for CVE-2018-11259 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-2018-11259 being exploited?

There is no known exploitation of CVE-2018-11259 in the wild and no public exploit code.

All Qualcomm Mdm9206 Firmware vulnerabilities

Sources

Also known as GHSA-gmrf-7wh2-5c6f.

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