Heap-based Buffer Overflow Affecting SoftEtherVPN/SoftEtherVPN_Stable package, versions [0,]


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Proof of concept
EPSS
0.17% (56th percentile)

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  • Snyk IDSNYK-UNMANAGED-SOFTETHERVPNSOFTETHERVPNSTABLE-6008976
  • published19 Oct 2023
  • disclosed12 Oct 2023
  • creditLilith

Introduced: 12 Oct 2023

CVE-2023-27395  (opens in a new tab)
CWE-122  (opens in a new tab)

How to fix?

There is no fixed version for SoftEtherVPN/SoftEtherVPN_Stable.

Overview

Affected versions of this package are vulnerable to Heap-based Buffer Overflow in the vpnserver WpcParsePacket() functionality, an attacker can execute arbitrary code by sending a specially crafted network packet. This is only exploitable if the attacker can perform a man-in-the-middle attack on the TCP communication between the Dynamic DNS (DDNS) client function and the DDNS server.

CVSS Scores

version 3.1