CVE-2023-43526 Buffer Copy Without Checking Size of Input (`Classic Buffer Overflow`) in Audio
A buffer overflow in the Qualcomm Snapdragon audio kernel allows local attackers to execute arbitrary code or escalate privileges.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-43526?
CVE-2023-43526 is a medium-severity memory corruption vulnerability in Qualcomm Ar8035 Firmware, published on 6 May 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Memory corruption while querying module parameters from Listen Sound model client in kernel from user space.
Weakness: CWE-120
Which versions are affected by CVE-2023-43526?
It affects 38 products.
Products include Qualcomm Ar8035 Firmware, Qualcomm Fastconnect 7800 Firmware, Qualcomm Qam8255p Firmware, Qualcomm Qam8295p Firmware, Qualcomm Qam8650p Firmware, Qualcomm Qam8775p Firmware and 32 more.
How do I fix CVE-2023-43526?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2023-43526 being exploited?
There is no known exploitation of CVE-2023-43526 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 3527092, A-309462484, GHSA-wg98-7j4x-46cg, PUB-A-309462484.