// For flags

CVE-2021-43275

Open Design Alliance (ODA) ODAViewer DGN File Parsing Use-After-Free Remote Code Execution Vulnerability

Severity Score

7.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

A Use After Free vulnerability exists in the DGN file reading procedure in Open Design Alliance Drawings SDK before 2022.8. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process.

Se presenta una vulnerabilidad de Uso de Memoria previamente Liberada en el procedimiento de lectura de archivos DGN en Open Design Alliance Drawings SDK versiones anteriores a 2022.8. El problema es debido a que no se comprueba la existencia de un objeto antes de llevar a cabo operaciones con él. Un atacante puede aprovechar esta vulnerabilidad para ejecutar código en el contexto del proceso actual

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Open Design Alliance (ODA) ODAViewer. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
The specific flaw exists within the parsing of DGN files. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process.

*Credits: Mat Powell of Trend Micro Zero Day Initiative
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Medium
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-11-02 CVE Reserved
  • 2021-11-10 CVE Published
  • 2024-08-04 CVE Updated
  • 2024-11-17 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-416: Use After Free
CAPEC
References (1)
URL Tag Source
URL Date SRC
URL Date SRC
URL Date SRC
https://www.opendesign.com/security-advisories 2021-11-17
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Opendesign
Search vendor "Opendesign"
 Drawings Software Development Kit
Search vendor "Opendesign" for product "Drawings Software Development Kit"
 < 2022.8
Search vendor "Opendesign" for product "Drawings Software Development Kit" and version " < 2022.8"
-
Affected