CVE-2021-1975 Memory corruption in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Voice & Music, Snapdragon Wearables
Heap overflow in DNS response parsing allows attackers to execute arbitrary code or escalate privileges on affected Qualcomm Snapdragon devices.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-1975?
CVE-2021-1975 is a critical memory corruption vulnerability in Qualcomm Apq8009 Firmware, published on 12 Nov 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Possible heap overflow due to improper length check of domain while parsing the DNS response in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Voice & Music, Snapdragon Wearables
Weakness: CWE-787
Which versions are affected by CVE-2021-1975?
It affects 180 products.
Products include Qualcomm Apq8009 Firmware, Qualcomm Apq8009w Firmware, Qualcomm Apq8017 Firmware, Qualcomm Apq8037 Firmware, Qualcomm Apq8096au Firmware, Qualcomm Ar6003 Firmware and 174 more.
How do I fix CVE-2021-1975?
No fix has been published for CVE-2021-1975 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-2021-1975 being exploited?
There is no known exploitation of CVE-2021-1975 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 GHSA-fqhw-6hfw-h298.