CVE-2020-27301 Memory corruption in n/a
Remote attackers within Wi-Fi range can execute arbitrary code on Realtek Ameba devices via a stack buffer overflow in the WPA2 handshake process.
- 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-2020-27301?
CVE-2020-27301 is a high-severity memory corruption vulnerability in n/a, published on 4 Jun 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A stack buffer overflow in Realtek RTL8710 (and other Ameba-based devices) can lead to remote code execution via the "AES_UnWRAP" function, when an attacker in Wi-Fi range sends a crafted "Encrypted GTK" value as part of the WPA2 4-way-handshake.
Weakness: CWE-787
Which versions are affected by CVE-2020-27301?
It affects 2 products.
Products include Realtek Rtl8195a Firmware, Realtek Rtl8710c Firmware.
How do I fix CVE-2020-27301?
No fix has been published for CVE-2020-27301 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-2020-27301 being exploited?
There is no known exploitation of CVE-2020-27301 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in n/a
- CVE-2020-25854 Memory corruption in Realtek RTL8195A Wi-Fi Module
- CVE-2020-25855 Memory corruption in Realtek RTL8195A Wi-Fi Module
- CVE-2020-25856 Memory corruption in Realtek RTL8195A Wi-Fi Module
- CVE-2020-27302 Memory corruption in n/a
- CVE-2020-25853 Memory corruption in Realtek RTL8195A Wi-Fi Module
Sources
Also known as GHSA-wvw2-928h-x7m8.