VDB-242039 · CVE-2023-31192 · TALOS-2023-1768

SoftEther VPN 5.01.9674 ClientConnect uninitialized variable

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.1	$0-$5k	0.00

Summaryinfo

A vulnerability was found in SoftEther VPN 5.01.9674. It has been rated as problematic. The affected element is the function ClientConnect. The manipulation leads to uninitialized variable. This vulnerability is traded as CVE-2023-31192. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in SoftEther VPN 5.01.9674 (Network Encryption Software). This issue affects the function ClientConnect. The manipulation with an unknown input leads to a uninitialized variable vulnerability. Using CWE to declare the problem leads to CWE-457. The code uses a variable that has not been initialized, leading to unpredictable or unintended results. Impacted is confidentiality. The summary by CVE is:

An information disclosure vulnerability exists in the ClientConnect() functionality of SoftEther VPN 5.01.9674. A specially crafted network packet can lead to a disclosure of sensitive information. An attacker can perform a man-in-the-middle attack to trigger this vulnerability.

The weakness was shared 10/12/2023 as TALOS-2023-1768. It is possible to read the advisory at talosintelligence.com. The identification of this vulnerability is CVE-2023-31192 since 06/12/2023. Technical details of the vulnerability are known, but there is no available exploit.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Network Encryption Software

Vendor

SoftEther

Name

Version

5.01.9674

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.2
VulDB Meta Temp Score: 4.1

VulDB Base Score: 3.1
VulDB Temp Score: 3.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 5.3
CNA Vector (Talos): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Uninitialized variable
CWE: CWE-457 / CWE-453
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/12/2023 🔍
10/12/2023 +122 days 🔍
10/12/2023 +0 days 🔍
10/12/2023 +0 days 🔍

Sourcesinfo

Advisory: TALOS-2023-1768
Status: Not defined

CVE: CVE-2023-31192 (🔍)
GCVE (CVE): GCVE-0-2023-31192
GCVE (VulDB): GCVE-100-242039

Entryinfo

Created: 10/12/2023 18:28
Changes: 10/12/2023 18:28 (49)
Complete: 🔍
Cache ID: 216::103