Heap-based buffer overflow in SoftEther VPN - CVE-2023-27395
Published: July 3, 2023
Vulnerability identifier: #VU77842
CSH Severity: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2023-27395
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
SoftEther VPN
SoftEther VPN
Software vendor:
SoftEther VPN Project
SoftEther VPN Project
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in the DDNS client functionality. A remote attacker can perform a man-in-the-middle attack, trigger a heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install updates from vendor's website.