CVE-2023-43542 Buffer Copy Without Checking Size of Input in Trusted Execution Environment
An attacker can exploit a buffer overflow in the Trusted Execution Environment to execute arbitrary code or escalate privileges on Qualcomm Snapdragon devices.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-43542?
CVE-2023-43542 is a high-severity memory corruption vulnerability in Qualcomm Aqt1000 Firmware, published on 3 Jun 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Memory corruption while copying a keyblob`s material when the key material`s size is not accurately checked.
Weakness: CWE-120
Which versions are affected by CVE-2023-43542?
It affects 209 products.
Products include Qualcomm 9205 Lte Modem Firmware, Qualcomm Aqt1000 Firmware, Qualcomm Ar8031 Firmware, Qualcomm Ar8035 Firmware, Qualcomm Csra6620 Firmware, Qualcomm Csra6640 Firmware and 203 more.
How do I fix CVE-2023-43542?
No fix has been published for CVE-2023-43542 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2023-43542 being exploited?
There is no known exploitation of CVE-2023-43542 in the wild and no public exploit code.
Other vulnerabilities in Qualcomm Aqt1000 Firmware
Sources
Also known as GHSA-p555-252p-vf5r.