CVE-2021-30331 Memory corruption in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables
A buffer overflow in the DIAG interface allows attackers 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-2021-30331?
CVE-2021-30331 is a medium-severity memory corruption vulnerability in Qualcomm Ar8035 Firmware, published on 1 Apr 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Possible buffer overflow due to improper data validation of external commands sent via DIAG interface in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables
Weakness: CWE-120
Which versions are affected by CVE-2021-30331?
It affects 77 products.
Products include Qualcomm Ar8035 Firmware, Qualcomm Fsm10055 Firmware, Qualcomm Fsm10056 Firmware, Qualcomm Mdm9150 Firmware, Qualcomm Mdm9650 Firmware, Qualcomm Qca6174a Firmware and 71 more.
How do I fix CVE-2021-30331?
No fix has been published for CVE-2021-30331 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-2021-30331 being exploited?
There is no known exploitation of CVE-2021-30331 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 GHSA-cjmw-x525-6p4f.