CVE-2018-11821 Integer overflow in Snapdragon Mobile, Snapdragon Wear

High 7.8 Published 26 Oct 2018 Updated 5 Aug 2024

An integer overflow in Qualcomm Snapdragon WLAN firmware allows attackers to cause memory corruption, potentially leading to code execution or denial of service.

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-2018-11821?

CVE-2018-11821 is a high-severity vulnerability in Qualcomm Ipq8074 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

Possible integer overflow may happen in WLAN during memory allocation in Snapdragon Mobile, Snapdragon Wear in version IPQ8074, MDM9206, MDM9607, MDM9650, SD 425, SD 427, SD 430, SD 435, SD 450, SD 625, SD 650/52, SD 835, SD 845, SD 850, SDA660, SDM630, SDM632, SDM636, SDM660, SDM710, Snapdragon_High_Med_2016

Weakness: CWE-190

Which versions are affected by CVE-2018-11821?

It affects 21 products.

Products include Qualcomm Ipq8074 Firmware, Qualcomm Mdm9206 Firmware, Qualcomm Mdm9607 Firmware, Qualcomm Mdm9650 Firmware, Qualcomm Sd 425 Firmware, Qualcomm Sd 427 Firmware and 15 more.

How do I fix CVE-2018-11821?

No fix has been published for CVE-2018-11821 yet. Limit exposure of the affected software until one is available.

Is CVE-2018-11821 being exploited?

There is no known exploitation of CVE-2018-11821 in the wild and no public exploit code.

All Qualcomm Ipq8074 Firmware vulnerabilities

Sources

Also known as GHSA-j638-8qqx-f34r.