CVE-2023-21671 Improper Input Validation in Core
Memory corruption in Qualcomm Snapdragon firmware allows attackers to execute arbitrary code or escalate privileges via improper input validation.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-21671?
CVE-2023-21671 is a critical memory corruption vulnerability in Qualcomm Fastconnect 6700 Firmware, published on 7 Nov 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Memory Corruption in Core during syscall for Sectools Fuse comparison feature.
Weakness: CWE-20
Which versions are affected by CVE-2023-21671?
It affects 24 products.
Products include Qualcomm Fastconnect 6700 Firmware, Qualcomm Fastconnect 6900 Firmware, Qualcomm Qca6391 Firmware, Qualcomm Qcm6490 Firmware, Qualcomm Qcs6490 Firmware, Qualcomm Qsm8350 Firmware and 18 more.
How do I fix CVE-2023-21671?
No fix has been published for CVE-2023-21671 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-2023-21671 being exploited?
There is no known exploitation of CVE-2023-21671 in the wild and no public exploit code.
Other vulnerabilities in Qualcomm Fastconnect 6700 Firmware
- CVE-2024-43047 Qualcomm Multiple Chipsets Use-After-Free
- CVE-2024-21464 Buffer Copy Without Checking Size of Input in Data Network Stack & Connectivity
- CVE-2024-33047 Buffer Over-read in Display
- CVE-2024-23360 Improper Access Control in Graphics Windows
- CVE-2024-23354 Use After Free in Graphics Linux
Sources
Also known as GHSA-7p43-mhw4-pxh2.