CVE-2018-11982 Use after free in Snapdragon Mobile, Snapdragon Wear

High 8.8 Published 20 Sep 2018 Updated 5 Aug 2024

A double free vulnerability in Qualcomm Snapdragon firmware allows attackers to execute arbitrary code or cause denial of service during network capability inquiries.

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-2018-11982?

CVE-2018-11982 is a high-severity use after free vulnerability in Qualcomm Mdm9206 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 (Mobile, Wear) in version MDM9206, MDM9607, MDM9635M, MDM9640, MDM9645, 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 617, SD 625, SD 650/52, SD 810, SD 820, SD 835, Snapdragon_High_Med_2016, a double free of ASN1 heap memory used for EUTRA CAP container occurs during UTRAN to LTE Capability inquiry procedure.

Weakness: CWE-415

Which versions are affected by CVE-2018-11982?

It affects 28 products.

Products include Qualcomm Mdm9206 Firmware, Qualcomm Mdm9607 Firmware, Qualcomm Mdm9635m Firmware, Qualcomm Mdm9640 Firmware, Qualcomm Mdm9645 Firmware, Qualcomm Mdm9655 Firmware and 22 more.

How do I fix CVE-2018-11982?

No fix has been published for CVE-2018-11982 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-2018-11982 being exploited?

There is no known exploitation of CVE-2018-11982 in the wild and no public exploit code.

All Qualcomm Mdm9206 Firmware vulnerabilities

Sources

Also known as GHSA-h94r-w24g-cp37.