CVE-2023-33077 Buffer Copy Without Checking Size of Input in HLOS
Memory corruption in Qualcomm Snapdragon HLOS allows attackers to potentially execute code or escalate privileges via malformed authorization tokens.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-33077?
CVE-2023-33077 is a medium-severity memory corruption vulnerability in Qualcomm Aqt1000 Firmware, published on 6 Feb 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 converting from authorization token to HIDL vector.
Weakness: CWE-120
Which versions are affected by CVE-2023-33077?
It affects 96 products.
Products include Qualcomm Aqt1000 Firmware, Qualcomm Ar8035 Firmware, Qualcomm C-V2x 9150 Firmware, Qualcomm Fastconnect 6200 Firmware, Qualcomm Fastconnect 6800 Firmware, Qualcomm Fastconnect 6900 Firmware and 90 more.
How do I fix CVE-2023-33077?
No fix has been published for CVE-2023-33077 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-2023-33077 being exploited?
There is no known exploitation of CVE-2023-33077 in the wild and no public exploit code.
Other vulnerabilities in Qualcomm Aqt1000 Firmware
- CVE-2025-21479 Qualcomm Multiple Chipsets Incorrect Authorization
- CVE-2025-21480 Qualcomm Multiple Chipsets Incorrect Authorization
- CVE-2023-28562 Buffer Copy Without Checking Size of Input in QESL
- CVE-2022-40514 Buffer copy without checking size of input in WLAN Firmware
- CVE-2022-22096 Memory corruption in Snapdragon Connectivity, Snapdragon Mobile
Sources
Also known as GHSA-4683-q5fv-6j3x.