CVE-2020-11186 Denial of service in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Mobile

Medium 5.5 Published 17 Mar 2021 Updated 4 Aug 2024

An attacker can cause a denial of service by triggering an infinite loop in the modem during histogram dimension parsing.

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-2020-11186?

CVE-2020-11186 is a medium-severity denial of service vulnerability in Qualcomm Csrb31024 Firmware, published on 17 Mar 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Modem will enter into busy mode in an infinite loop while parsing histogram dimension due to improper validation of input received in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Mobile

Weakness: CWE-835

Which versions are affected by CVE-2020-11186?

It affects 113 products.

Products include Qualcomm Csrb31024 Firmware, Qualcomm Pm3003a Firmware, Qualcomm Pm7150a Firmware, Qualcomm Pm7150l Firmware, Qualcomm Pm7250 Firmware, Qualcomm Pm7250b Firmware and 107 more.

How do I fix CVE-2020-11186?

No fix has been published for CVE-2020-11186 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2020-11186 being exploited?

There is no known exploitation of CVE-2020-11186 in the wild and no public exploit code.

All Qualcomm Csrb31024 Firmware vulnerabilities

Sources

Also known as GHSA-v6w4-vhpg-3q68.