CVE-2023-27395 Memory corruption in SoftEther VPN
A heap-based buffer overflow in SoftEther VPN allows arbitrary code execution via a crafted packet during a man-in-the-middle attack.
- 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-2023-27395?
CVE-2023-27395 is a critical memory corruption vulnerability in SoftEther VPN, published on 12 Oct 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A heap-based buffer overflow vulnerability exists in the vpnserver WpcParsePacket() functionality of SoftEther VPN 4.41-9782-beta, 5.01.9674 and 5.02. A specially crafted network packet can lead to arbitrary code execution. An attacker can perform a man-in-the-middle attack to trigger this vulnerability.
Which versions are affected by CVE-2023-27395?
It affects 1 product.
Products include Softether Vpn.
How do I fix CVE-2023-27395?
No fix has been published for CVE-2023-27395 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-2023-27395 being exploited?
There is no known exploitation of CVE-2023-27395 in the wild and no public exploit code.
Other vulnerabilities in SoftEther VPN
Sources
Also known as GHSA-33mh-qwc8-jxxx.