CVE-2023-27395

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.

CVSS v3 8.1 HIGH

8.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.2 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://talosintelligence.com/vulnerability_reports/TALOS-2023-1735	Exploit Third Party Advisory
https://www.softether.org/9-about/News/904-SEVPN202301	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:softether:vpn:4.41-9782:beta::::::
	cpe:2.3:a:softether:vpn:5.01.9674:::::::*
	cpe:2.3:a:softether:vpn:5.02:::::::*

History

18 Oct 2023, 17:58

Type	Values Removed	Values Added
CPE		cpe:2.3:a:softether:vpn:5.02:::::::* cpe:2.3:a:softether:vpn:5.01.9674:::::::* cpe:2.3:a:softether:vpn:4.41-9782:beta::::::
First Time		Softether Softether vpn
CWE		CWE-787
References	~~(MISC) https://www.softether.org/9-about/News/904-SEVPN202301 -~~	(MISC) https://www.softether.org/9-about/News/904-SEVPN202301 - Patch, Vendor Advisory
References	~~(MISC) https://talosintelligence.com/vulnerability_reports/TALOS-2023-1735 -~~	(MISC) https://talosintelligence.com/vulnerability_reports/TALOS-2023-1735 - Exploit, Third Party Advisory
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 8.1

12 Oct 2023, 18:15

Type	Values Removed	Values Added
References	~~{'url': 'https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1735', 'name': 'https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1735', 'tags': [], 'refsource': 'MISC'}~~

12 Oct 2023, 17:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2023-10-12 16:15

Updated : 2023-12-10 15:14

NVD link : CVE-2023-27395

Mitre link : CVE-2023-27395

CVE.ORG link : CVE-2023-27395

JSON object : View

Products Affected

softether

vpn

CWE

CWE-787

Out-of-bounds Write

CWE-122

Heap-based Buffer Overflow

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