CVE-2020-9395 Memory corruption in n/a
A stack-based buffer overflow in Realtek Wi-Fi chips allows remote attackers to execute arbitrary code or cause denial of service via malformed WPA2 handshake packets.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-9395?
CVE-2020-9395 is a high-severity memory corruption vulnerability in n/a, published on 6 Jul 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An issue was discovered on Realtek RTL8195AM, RTL8711AM, RTL8711AF, and RTL8710AF devices before 2.0.6. A stack-based buffer overflow exists in the client code that takes care of WPA2's 4-way-handshake via a malformed EAPOL-Key packet with a long keydata buffer.
Weakness: CWE-787
Which versions are affected by CVE-2020-9395?
It affects 4 products.
Products include Realtek Rtl8195am Firmware, Realtek Rtl8710af Firmware, Realtek Rtl8711af Firmware, Realtek Rtl8711am Firmware.
How do I fix CVE-2020-9395?
No fix has been published for CVE-2020-9395 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-2020-9395 being exploited?
There is no known exploitation of CVE-2020-9395 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-m35f-qmp6-pvj2.