CVE-2021-1901 Memory corruption in Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables
A buffer over-read in Qualcomm Snapdragon firmware allows attackers to read memory or cause denial of service during meta image flashing.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-1901?
CVE-2021-1901 is a medium-severity memory corruption vulnerability in Qualcomm Apq8009 Firmware, published on 13 Jul 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Possible buffer over-read due to lack of length check while flashing meta images in Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables
Weakness: CWE-125
Which versions are affected by CVE-2021-1901?
It affects 42 products.
Products include Qualcomm Apq8009 Firmware, Qualcomm Apq8053 Firmware, Qualcomm Aqt1000 Firmware, Qualcomm Mdm9206 Firmware, Qualcomm Qca6420 Firmware, Qualcomm Qca6430 Firmware and 36 more.
How do I fix CVE-2021-1901?
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-2021-1901 being exploited?
There is no known exploitation of CVE-2021-1901 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 2780528, A-176750940, GHSA-4w3h-xrfh-9v5v, PUB-A-176750940.