National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2019-16305 Detail

Current Description

In MobaXterm 11.1 and 12.1, the protocol handler is vulnerable to command injection. A crafted link can trigger a popup asking whether the user wants to run MobaXterm to handle the link. If accepted, another popup appears asking for further confirmation. If this is also accepted, command execution is achieved, as demonstrated by the MobaXterm://`calc` URI.

Source:  MITRE
View Analysis Description

Impact

CVSS v3.1 Severity and Metrics:

Base Score: 8.8 HIGH
Vector: AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H (V3.1 legend)
Impact Score: 5.9
Exploitability Score: 2.8


Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 6.8 MEDIUM
Vector: (AV:N/AC:M/Au:N/C:P/I:P/A:P) (V2 legend)
Impact Subscore: 6.4
Exploitability Subscore: 8.6


Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): Partial
Availability (A): Partial
Additional Information:
Victim must voluntarily interact with attack mechanism
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://freetom.github.io/0day/2019/09/14/MobaXterm-command-exec-in-protocol-handler.html Exploit

Technical Details

Vulnerability Type (View All)

  • Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') (CWE-74)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:mobatek:mobaxterm:11.1:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:mobatek:mobaxterm:12.1:*:*:*:*:*:*:*
     Show Matching CPE(s)
Running on/with
 cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

1 change record found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2019-16305
NVD Published Date:
09/14/2019
NVD Last Modified:
09/16/2019