CVE-2023-43552 Use After Free in WLAN Host Communication
A use-after-free flaw in Qualcomm WLAN host communication allows attackers to execute arbitrary code or escalate privileges via crafted MBSSID 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-2023-43552?
CVE-2023-43552 is a critical use after free vulnerability in Qualcomm Ar8035 Firmware, published on 4 Mar 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Memory corruption while processing MBSSID beacon containing several subelement IE.
Weakness: CWE-416
Which versions are affected by CVE-2023-43552?
It affects 149 products.
Products include Qualcomm Ar8035 Firmware, Qualcomm Csr8811 Firmware, Qualcomm Fastconnect 6900 Firmware, Qualcomm Fastconnect 7800 Firmware, Qualcomm Flight Rb5 5g Firmware, Qualcomm Immersive Home 214 Firmware and 143 more.
How do I fix CVE-2023-43552?
Apply the vendor's patch.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2023-43552 being exploited?
There is no known exploitation of CVE-2023-43552 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-2023-43553 Use of Out-of-range Pointer Offset in WLAN HOST
Sources
Also known as 3583521, A-314791054, ASB-A-314791054, GHSA-f2j2-g4wg-mxr5.