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CVE-2020-13386 Detail

Description

In SmartDraw 2020 27.0.0.0, the installer gives inherited write permissions to the Authenticated Users group on the SmartDraw 2020 installation folder. Additionally, when the product is installed, two scheduled tasks are created on the machine, SDMsgUpdate (Local) and SDMsgUpdate (TE). The scheduled tasks run in the context of the user who installed the product. Both scheduled tasks attempt to run the same binary, C:\SmartDraw 2020\Messages\SDNotify.exe. The folder Messages doesn't exist by default and (by extension) neither does SDNotify.exe. Due to the weak folder permissions, these can be created by any user. A malicious actor can therefore create a malicious SDNotify.exe binary, and have it automatically run, whenever the user who installed the product logs on to the machine. The malicious SDNotify.exe could, for example, create a new local administrator account on the machine.


Metrics

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CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://improsec.com/tech-blog/how-not-do-handle-responsible-disclosure-smartdraw-2020 Exploit  Third Party Advisory 
https://improsec.com/tech-blog/how-not-do-handle-responsible-disclosure-smartdraw-2020 Exploit  Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-732 Incorrect Permission Assignment for Critical Resource cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

3 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2020-13386
NVD Published Date:
05/27/2020
NVD Last Modified:
11/21/2024
Source:
MITRE