CVE-2018-11857 Memory corruption in Snapdragon Mobile

High 7.8 Published 29 Oct 2018 Updated 5 Aug 2024

Improper input validation in the WLAN module allows buffer overflows, potentially enabling code execution or privilege escalation on affected 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-2018-11857?

CVE-2018-11857 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 in WLAN encrypt/decrypt module can lead to a buffer copy in Snapdragon Mobile in version SD 835, SD 845, SD 850

Weakness: CWE-119

Which versions are affected by CVE-2018-11857?

It affects 3 products.

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

How do I fix CVE-2018-11857?

No fix has been published for CVE-2018-11857 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-2018-11857 being exploited?

There is no known exploitation of CVE-2018-11857 in the wild and no public exploit code.

All Qualcomm Sd 835 Firmware vulnerabilities

Sources

Also known as GHSA-22qr-vprq-hjw2.