CVE-2023-21649 Buffer Copy Without Checking Size of Input (`Classic Buffer Overflow`) in WLAN
A buffer overflow in Qualcomm WLAN drivers allows attackers to execute arbitrary code or escalate privileges on Android devices.
- 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-2023-21649?
CVE-2023-21649 is a medium-severity memory corruption vulnerability in Qualcomm Apq8096au Firmware, published on 8 Aug 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Memory corruption in WLAN while running doDriverCmd for an unspecific command.
Which versions are affected by CVE-2023-21649?
It affects 65 products.
Products include Qualcomm Apq8096au Firmware, Qualcomm Aqt1000 Firmware, Qualcomm Mdm9628 Firmware, Qualcomm Mdm9650 Firmware, Qualcomm Qca6390 Firmware, Qualcomm Qca6391 Firmware and 59 more.
How do I fix CVE-2023-21649?
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-2023-21649 being exploited?
There is no known exploitation of CVE-2023-21649 in the wild and no public exploit code.
Other vulnerabilities in Qualcomm Apq8096au Firmware
- CVE-2019-14045 Memory corruption in Snapdragon Auto, Snapdragon Consumer IOT, Snapdragon Mobile
- CVE-2017-14911 Auth bypass in Snapdragon IoT, Snapdragon Mobile, Snapdragon Automobile
- CVE-2020-11126 Memory corruption in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking
- CVE-2022-33243 Improper access control in Qualcomm IPC
- CVE-2022-22063 Memory corruption in Core
Sources
Also known as 3283695, A-268066858, GHSA-5p9w-p3rg-mcf8, PUB-A-268066858.