CVE-2024-33020 Buffer Over-read in WLAN HOST
A buffer over-read in Qualcomm WLAN host processing causes transient denial of service, affecting Android devices using Snapdragon chipsets.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-33020?
CVE-2024-33020 is a high-severity denial of service vulnerability in Qualcomm Ar8035 Firmware, published on 5 Aug 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Transient DOS while processing TID-to-link mapping IE elements.
Which versions are affected by CVE-2024-33020?
It affects 98 products.
Products include Qualcomm Ar8035 Firmware, Qualcomm Fastconnect 6700 Firmware, Qualcomm Fastconnect 6800 Firmware, Qualcomm Fastconnect 6900 Firmware, Qualcomm Fastconnect 7800 Firmware, Qualcomm Flight Rb5 5g Platform Firmware and 92 more.
How do I fix CVE-2024-33020?
Apply the vendor's patch.
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-2024-33020 being exploited?
There is no known exploitation of CVE-2024-33020 in the wild and no public exploit code.
Other vulnerabilities in Qualcomm Ar8035 Firmware
- CVE-2023-33106 Qualcomm Multiple Chipsets Use of Out-of-Range Pointer Offset
- CVE-2024-45569 Improper Validation of Array Index in WLAN Host Communication
- CVE-2024-21473 Improper Input Validation in WIN SON
- CVE-2023-28582 Buffer Copy Without Checking Size of Input in Data Modem
- CVE-2023-43552 Use After Free in WLAN Host Communication
Sources
Also known as 3704762, A-339043480, ASB-A-339043480, GHSA-xq4h-4mpj-q5jr.