CVE-2023-43515 Buffer copy without checking size of input (Classic buffer overflow) in HLOS
A buffer overflow in Qualcomm HLOS allows memory corruption and potential code execution when debug features are enabled.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-43515?
CVE-2023-43515 is a medium-severity memory corruption vulnerability in Qualcomm Fastconnect 6900 Firmware, published on 1 Apr 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Memory corruption in HLOS while running kernel address sanitizers (syzkaller) on tmecom with DEBUG_FS enabled.
Weakness: CWE-120
Which versions are affected by CVE-2023-43515?
It affects 6 products.
Products include Qualcomm Fastconnect 6900 Firmware, Qualcomm Fastconnect 7800 Firmware, Qualcomm Snapdragon 8 Gen 1 Mobile Firmware, Qualcomm Wcd9380 Firmware, Qualcomm Wsa8830 Firmware, Qualcomm Wsa8835 Firmware.
How do I fix CVE-2023-43515?
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-2023-43515 being exploited?
There is no known exploitation of CVE-2023-43515 in the wild and no public exploit code.
Other vulnerabilities in Qualcomm Fastconnect 6900 Firmware
Sources
Also known as 3357731, A-303107287, GHSA-c5hm-fh4g-ggw7, PUB-A-303107287.