CVE-2023-27395

2023-10-1215:27:54

CWE-122

talos

github.com

heap-based buffer overflow

softether vpn

arbitrary code execution

man-in-the-middle attack

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

AI Score

9.3

Confidence

High

EPSS

0.001

Percentile

45.2%

SSVC

Exploitation

none

Automatable

Technical Impact

total

JSON

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.

ADP Affected

[
  {
    "cpes": [
      "cpe:2.3:a:softether_vpn:softether_vpn:*:*:*:*:*:*:*:*"
    ],
    "vendor": "softether_vpn",
    "product": "softether_vpn",
    "versions": [
      {
        "status": "affected",
        "version": "4.41-9782-beta"
      },
      {
        "status": "affected",
        "version": "5.01.9674"
      },
      {
        "status": "affected",
        "version": "5.02"
      }
    ],
    "defaultStatus": "unknown"
  }
]