CVE-2023-33047 Buffer Over-read in WLAN Firmware
A buffer over-read in Qualcomm Snapdragon WLAN firmware allows attackers to cause a transient denial of service while parsing specific information elements.
- 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-2023-33047?
CVE-2023-33047 is a high-severity denial of service vulnerability in Qualcomm Ar8035 Firmware, published on 7 Nov 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Transient DOS in WLAN Firmware while parsing no-inherit IES.
Which versions are affected by CVE-2023-33047?
It affects 178 products.
Products include Qualcomm Ar8035 Firmware, Qualcomm Ar9380 Firmware, Qualcomm Csr8811 Firmware, Qualcomm Immersive Home 214 Platform Firmware, Qualcomm Immersive Home 216 Platform Firmware, Qualcomm Immersive Home 316 Platform Firmware and 172 more.
How do I fix CVE-2023-33047?
No fix has been published for CVE-2023-33047 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-2023-33047 being exploited?
There is no known exploitation of CVE-2023-33047 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-xq75-p9cv-wvw7.