CVE-2023-33100 Improper input validation in Multi-Mode Call Processor
An attacker can cause a transient denial of service in Qualcomm Snapdragon devices by sending a malformed DL NAS Transport message with an undefined message ID.
- 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-2023-33100?
CVE-2023-33100 is a high-severity denial of service vulnerability in Qualcomm Ar8035 Firmware, published on 1 Apr 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Transient DOS while processing DL NAS Transport message when message ID is not defined in the 3GPP specification.
Weakness: CWE-20
Which versions are affected by CVE-2023-33100?
It affects 50 products.
Products include Qualcomm Ar8035 Firmware, Qualcomm Fastconnect 6700 Firmware, Qualcomm Fastconnect 6900 Firmware, Qualcomm Fastconnect 7800 Firmware, Qualcomm Qca6174a Firmware, Qualcomm Qca6584au Firmware and 44 more.
How do I fix CVE-2023-33100?
No fix has been published for CVE-2023-33100 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2023-33100 being exploited?
There is no known exploitation of CVE-2023-33100 in the wild and no public exploit code.
Other vulnerabilities in Qualcomm Ar8035 Firmware
- CVE-2023-33106 Qualcomm Multiple Chipsets Use of Out-of-Range Pointer Offset
- CVE-2024-45569 Improper Validation of Array Index in WLAN Host Communication
- CVE-2024-21473 Improper Input Validation in WIN SON
- CVE-2023-28582 Buffer Copy Without Checking Size of Input in Data Modem
- CVE-2023-43552 Use After Free in WLAN Host Communication
Sources
Also known as GHSA-mh84-m264-f3jf.