CVE-2018-11856 Memory corruption in Snapdragon Mobile

High 7.8 Published Updated

Buffer overwrite in WLAN WMI command handling allows attackers to execute arbitrary code or escalate privileges on Snapdragon Mobile devices.

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-2018-11856?

CVE-2018-11856 is a high-severity memory corruption vulnerability in Qualcomm Sd 835 Firmware, published on 29 Oct 2018. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Improper input validation leads to buffer overwrite in the WLAN function that handles WMI commands in Snapdragon Mobile in version SD 835, SD 845, SD 850.

Weakness: CWE-119

Which versions are affected by CVE-2018-11856?

It affects 3 products.

Products include Qualcomm Sd 835 Firmware, Qualcomm Sd 845 Firmware, Qualcomm Sd 850 Firmware.

How do I fix CVE-2018-11856?

No fix has been published for CVE-2018-11856 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2018-11856 being exploited?

There is no known exploitation of CVE-2018-11856 in the wild and no public exploit code.

All Qualcomm Sd 835 Firmware vulnerabilities

Sources

Also known as GHSA-hm9g-x4hj-xwgj.

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