CVE-2024-33011 Buffer Over-read in WLAN Host
A buffer over-read in the WLAN host allows attackers to cause a transient denial of service by sending malformed MBSSID information elements in beacons.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-33011?
CVE-2024-33011 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 parsing the MBSSID IE from the beacons, when the MBSSID IE length is zero.
Which versions are affected by CVE-2024-33011?
It affects 249 products.
Products include Qualcomm Ar8035 Firmware, Qualcomm Ar9380 Firmware, Qualcomm Csr8811 Firmware, Qualcomm Csra6620 Firmware, Qualcomm Csra6640 Firmware, Qualcomm Fastconnect 6200 Firmware and 243 more.
How do I fix CVE-2024-33011?
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-2024-33011 being exploited?
There is no known exploitation of CVE-2024-33011 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 3717567, A-339043727, ASB-A-339043727, GHSA-xhmx-jv3j-5wf8.