CVE-2017-18140 Use after free in Snapdragon Automobile, Snapdragon Mobile, Snapdragon Wear

Critical 9.8 Published Updated

A use-after-free vulnerability in Qualcomm Snapdragon chipsets allows attackers to potentially execute code or escalate privileges when eMBMS is enabled during call disconnection.

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-2017-18140?

CVE-2017-18140 is a critical use after free vulnerability in Qualcomm Mdm9206 Firmware, published on 11 Apr 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In Android before security patch level 2018-04-05 on Qualcomm Snapdragon Automobile, Snapdragon Mobile, and Snapdragon Wear MDM9206, MDM9607, MDM9650, MSM8909W, SD 210/SD 212/SD 205, SD 400, SD 425, SD 430, SD 450, SD 615/16/SD 415, SD 617, SD 625, SD 650/52, SD 808, SD 810, SD 820, SD 820A, SD 835, SD 845, when processing a call disconnection, there is an attempt to print the RIL token-id to the debug log. If eMBMS service is enabled while processing the call disconnect, a Use After Free condition may potentially occur.

Weakness: CWE-416

Which versions are affected by CVE-2017-18140?

It affects 24 products.

Products include Qualcomm Mdm9206 Firmware, Qualcomm Mdm9607 Firmware, Qualcomm Mdm9650 Firmware, Qualcomm Msm8909w Firmware, Qualcomm Sd 205 Firmware, Qualcomm Sd 210 Firmware and 18 more.

How do I fix CVE-2017-18140?

No fix has been published for CVE-2017-18140 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-2017-18140 being exploited?

There is no known exploitation of CVE-2017-18140 in the wild and no public exploit code.

All Qualcomm Mdm9206 Firmware vulnerabilities

Sources

Also known as GHSA-jvcr-g399-6q7h.

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