CVE-2023-33017 Buffer Copy Without Checking Size of Input in Boot
A buffer overflow in Qualcomm Snapdragon Boot allows attackers to execute arbitrary code or escalate privileges during the UEFI boot process.
- 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-2023-33017?
CVE-2023-33017 is a high-severity memory corruption vulnerability in Qualcomm 315 5g Iot Modem Firmware, published on 5 Dec 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Memory corruption in Boot while running a ListVars test in UEFI Menu during boot.
Weakness: CWE-120
Which versions are affected by CVE-2023-33017?
It affects 277 products.
Products include Qualcomm 315 5g Iot Modem Firmware, Qualcomm 9205 Lte Modem Firmware, Qualcomm 9206 Lte Modem Firmware, Qualcomm 9207 Lte Modem Firmware, Qualcomm Apq5053-Aa Firmware, Qualcomm Apq8009 Firmware and 271 more.
How do I fix CVE-2023-33017?
No fix has been published for CVE-2023-33017 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-2023-33017 being exploited?
There is no known exploitation of CVE-2023-33017 in the wild and no public exploit code.
Other vulnerabilities in Qualcomm 315 5g Iot Modem Firmware
- CVE-2023-33107 Qualcomm Multiple Chipsets Integer Overflow
- CVE-2023-33063 Qualcomm Multiple Chipsets Use-After-Free
- CVE-2025-27034 Improper Validation of Array Index in Multi-Mode Call Processor
- CVE-2023-22388 Use of Out-of-range Pointer Offset in Multi-mode Call Processor
- CVE-2023-28578 Improper Input Validation in Services
Sources
Also known as GHSA-xmc3-8wf5-r59w.