CVE-2023-33020 Improper Authorization in WLAN Host
An attacker can cause a transient denial of service in the WLAN Host by sending an invalid channel during a CSA IE.
- 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-2023-33020?
CVE-2023-33020 is a high-severity denial of service vulnerability in Qualcomm Apq8017 Firmware, published on 5 Sep 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Transient DOS in WLAN Host when an invalid channel (like channel out of range) is received in STA during CSA IE.
Weakness: CWE-285
Which versions are affected by CVE-2023-33020?
It affects 82 products.
Products include Qualcomm 205 Firmware, Qualcomm 215 Firmware, Qualcomm 9206 Lte Firmware, Qualcomm Apq8017 Firmware, Qualcomm Apq8052 Firmware, Qualcomm Apq8056 Firmware and 76 more.
How do I fix CVE-2023-33020?
No fix has been published for CVE-2023-33020 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-2023-33020 being exploited?
There is no known exploitation of CVE-2023-33020 in the wild and no public exploit code.
Other vulnerabilities in Qualcomm Apq8017 Firmware
- CVE-2023-22667 Integer Overflow or Wraparound in Audio
- CVE-2024-33042 Buffer Copy Without Checking Size of Input (`Classic Buffer Overflow`) in FM Host
- CVE-2023-22387 Use of Out-of-range Pointer Offset in Qualcomm IPC
- CVE-2024-53027 Buffer Copy Without Checking Size of Input in WLAN Host
- CVE-2023-33019 Improper Authorization in WLAN Host
Sources
Also known as GHSA-pw8j-xxwv-qpr8.