CVE-2021-35078 Memory corruption in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables

High 7.5 Published 14 Jun 2022 Updated 4 Aug 2024

Attackers can cause a memory leak via improper certificate chain validation in Qualcomm Snapdragon firmware, potentially leading to denial of service.

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-2021-35078?

CVE-2021-35078 is a high-severity memory corruption vulnerability in Qualcomm Aqt1000 Firmware, published on 14 Jun 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Possible memory leak due to improper validation of certificate chain length while parsing server certificate chain in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables

Weakness: CWE-401

Which versions are affected by CVE-2021-35078?

It affects 107 products.

Products include Qualcomm Aqt1000 Firmware, Qualcomm Ar8035 Firmware, Qualcomm Csrb31024 Firmware, Qualcomm Qca6174a Firmware, Qualcomm Qca6390 Firmware, Qualcomm Qca6391 Firmware and 101 more.

How do I fix CVE-2021-35078?

No fix has been published for CVE-2021-35078 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-2021-35078 being exploited?

There is no known exploitation of CVE-2021-35078 in the wild and no public exploit code.

All Qualcomm Aqt1000 Firmware vulnerabilities

Sources

Also known as GHSA-663m-hm4m-rjg6.