CVE-2021-1967 Memory corruption in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables
A stack buffer overflow in Qualcomm Snapdragon firmware allows attackers to execute arbitrary code or escalate privileges via crafted NAN discovery attributes.
- 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-2021-1967?
CVE-2021-1967 is a medium-severity memory corruption vulnerability in Qualcomm Apq8009 Firmware, published on 20 Oct 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Possible stack buffer overflow due to lack of check on the maximum number of post NAN discovery attributes while processing a NAN Match event in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables
Weakness: CWE-787
Which versions are affected by CVE-2021-1967?
It affects 110 products.
Products include Qualcomm Apq8009 Firmware, Qualcomm Apq8053 Firmware, Qualcomm Aqt1000 Firmware, Qualcomm Ar8031 Firmware, Qualcomm Ar8035 Firmware, Qualcomm Csra6620 Firmware and 104 more.
How do I fix CVE-2021-1967?
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-2021-1967 being exploited?
There is no known exploitation of CVE-2021-1967 in the wild and no public exploit code.
Other vulnerabilities in Qualcomm Apq8009 Firmware
- CVE-2021-1905 Qualcomm Multiple Chipsets Use-After-Free
- CVE-2020-11261 Qualcomm Multiple Chipsets Improper Input Validation
- CVE-2021-1906 Qualcomm Multiple Chipsets Detection of Error Condition Without Action
- CVE-2022-40510 Buffer copy without checking size of input in Audio.
- CVE-2022-22088 Integer Overflow to Buffer Overflow in Bluetooth HOST
Sources
Also known as 2836431, A-184564368, GHSA-536q-xj2f-hh45, PUB-A-184564368.