CVE-2023-33087 Buffer Copy without Checking Size of Input (`Classic Buffer Overflow`) in Core
A buffer overflow in Qualcomm Snapdragon core allows attackers to execute arbitrary code or escalate privileges via malicious RX intent requests.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-33087?
CVE-2023-33087 is a high-severity memory corruption vulnerability in Qualcomm Ar8035 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 Core while processing RX intent request.
Weakness: CWE-120
Which versions are affected by CVE-2023-33087?
It affects 118 products.
Products include Qualcomm Apq5053-Aa Firmware, Qualcomm Ar8035 Firmware, Qualcomm Csra6620 Firmware, Qualcomm Csra6640 Firmware, Qualcomm Flight Rb5 5g Platform Firmware, Qualcomm Qam8255p Firmware and 112 more.
How do I fix CVE-2023-33087?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2023-33087 being exploited?
There is no known exploitation of CVE-2023-33087 in the wild and no public exploit code.
Other vulnerabilities in Qualcomm Ar8035 Firmware
- CVE-2023-33079 Use of Out-of-range Pointer Offset in Audio
- CVE-2023-33031 Buffer Copy Without Checking Size of Input in Automotive Audio
- CVE-2023-33055 Buffer Copy Without Checking Size of Input in Audio
- CVE-2023-24850 Improper Validation of Array Index in HLOS
- CVE-2023-33034 Signed-to-unsigned conversion error in Audio
Sources
Also known as 3508356, A-299146536, ASB-A-299146536, GHSA-rvh5-x463-8v8x.