CVE-2023-43511 Loop with Unreachable Exit Condition (Infinite Loop) in WLAN Firmware
An attacker can cause a transient denial of service in Qualcomm Snapdragon WLAN firmware by sending a crafted IPv6 packet with an IPPROTO_NONE header.
- 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-2023-43511?
CVE-2023-43511 is a high-severity denial of service vulnerability in Qualcomm 315 5g Iot Modem Firmware, published on 2 Jan 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Transient DOS while parsing IPv6 extension header when WLAN firmware receives an IPv6 packet that contains `IPPROTO_NONE` as the next header.
Weakness: CWE-835
Which versions are affected by CVE-2023-43511?
It affects 356 products.
Products include Qualcomm 315 5g Iot Modem Firmware, Qualcomm 9206 Lte Modem Firmware, Qualcomm Apq8017 Firmware, Qualcomm Apq8064au Firmware, Qualcomm Apq8092 Firmware, Qualcomm Apq8094 Firmware and 350 more.
How do I fix CVE-2023-43511?
No fix has been published for CVE-2023-43511 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-2023-43511 being exploited?
There is no known exploitation of CVE-2023-43511 in the wild and no public exploit code.
Other vulnerabilities in Qualcomm 315 5g Iot Modem Firmware
- CVE-2023-33107 Qualcomm Multiple Chipsets Integer Overflow
- CVE-2023-33063 Qualcomm Multiple Chipsets Use-After-Free
- CVE-2025-27034 Improper Validation of Array Index in Multi-Mode Call Processor
- CVE-2023-22388 Use of Out-of-range Pointer Offset in Multi-mode Call Processor
- CVE-2023-28578 Improper Input Validation in Services
Sources
Also known as GHSA-5w5c-6hmq-mgpr.