MobaXterm up to 22.0 SFTP Connection hard-coded password

EntryHistoryDiffjsonxmlCTI

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.
7.1	$0-$5k	0.00

A vulnerability classified as problematic has been found in MobaXterm up to 22.0 (Windowing System Software). This affects some unknown processing of the component SFTP Connection Handler. The manipulation with an unknown input leads to a hard-coded password vulnerability. CWE is classifying the issue as CWE-259. The product contains a hard-coded password, which it uses for its own inbound authentication or for outbound communication to external components. This is going to have an impact on availability. The summary by CVE is:

When aborting a SFTP connection, MobaXterm before v22.1 sends a hardcoded password to the server. The server treats this as an invalid login attempt which can result in a Denial of Service (DoS) for the user if services like fail2ban are used.

The weakness was disclosed 12/06/2022. The advisory is shared at docs.ssh-mitm.at. This vulnerability is uniquely identified as CVE-2022-38337 since 08/15/2022. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1078.001 for this issue.

Upgrading to version 22.1 eliminates this vulnerability.

Productinfo

Type

Windowing System Software

Name

MobaXterm

Version

22.0

CPE 2.3info

🔒

CPE 2.2info

🔒

CVSSv3info

VulDB Meta Base Score: 7.2
VulDB Meta Temp Score: 7.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 9.1
NVD Vector: 🔒

CVSSv2info

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

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Hard-coded password
CWE: CWE-259 / CWE-255
ATT&CK: T1078.001

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: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: MobaXterm 22.1

Timelineinfo

08/15/2022 CVE reserved
12/06/2022 +113 days Advisory disclosed
12/06/2022 +0 days VulDB entry created
12/26/2022 +20 days VulDB entry last update

Sourcesinfo

Advisory: docs.ssh-mitm.at
Status: Confirmed

CVE: CVE-2022-38337 (🔒)

Entryinfo

Created: 12/06/2022 09:35 AM
Updated: 12/26/2022 02:37 PM
Changes: 12/06/2022 09:35 AM (39), 12/26/2022 02:37 PM (11)
Complete: 🔍