AUTODESK TRUST CENTER

Security advisory

Advisories are used to communicate information related to vulnerabilities identified with Autodesk® products and services. This includes any fixes or workarounds that are applicable to the affected product.

Multiple Vulnerabilities in the Autodesk® AutoCAD® Desktop Software

Autodesk ID: ADSK-SA-2022-0020
Product, Service, Component: Autodesk® AutoCAD®, Advance Steel and Civil 3D®
Impact: Out-of-bound Read, Out-of-bound Write, Use of Uninitialized Variable, Memory Corruption, Heap-based Buffer Overflow
Severity: High
Original Publish: 9/22/2022
Last Revised: 10/06/2022

Severity

CVSS 3.0 Score

Impact

Low

0.1 - 3.9

A vulnerability where scope and impact of exploitation is restricted and the ability to exploit is extremely difficult.

Medium

4.0 - 6.9

A vulnerability where exploitation is mitigated by factors such as difficulty to exploit, default configuration or ease of identification.

High

7.0 - 8.9

A vulnerability, which if exploited, would directly impact the confidentiality, integrity or availability of user’s data or processing resources.

Critical

9.0 - 10

A vulnerability, which if exploited, would allow remote execution of malicious code without user action.

Summary

Multiple Autodesk AutoCAD and AutoCAD-based products have been affected by Out-of-bound Read, Out-of-bound Write, Use of Uninitialized Variable, Heap based Buffer Overflow, and Memory Corruption vulnerabilities.

Description

The details of the vulnerabilities are as follows:

1) CVE-2022-33884 - Parsing a maliciously crafted X_B file can force Autodesk AutoCAD 2023, 2022, 2021, and 2020 to read beyond allocated boundaries. This vulnerability in conjunction with other vulnerabilities could lead to code execution in the context of the current process.

2) CVE-2022-33885 - A maliciously crafted X_B , CATIA, and PDF file when parsed through Autodesk AutoCAD 2023, 2022, 2021, and 2020 can be used to write beyond the allocated buffer. This vulnerability can lead to arbitrary code execution.

3) CVE-2022-33886 - A maliciously crafted MODEL and SLDPRT file can be used to write beyond the allocated buffer while parsing through Autodesk AutoCAD 2023, 2022, 2021, and 2020. The vulnerability exists because the application fails to handle crafted MODEL and SLDPRT files, which causes an unhandled exception. An attacker can leverage this vulnerability to execute arbitrary code.

4) CVE-2022-33887 - A maliciously crafted PDF file when parsed through Autodesk AutoCAD 2023 causes an unhandled exception. An attacker can leverage this vulnerability to cause a crash or read sensitive data or execute arbitrary code in the context of the current process.

5) CVE-2022-33888 - A malicious crafted Dwg2Spd file when processed through Autodesk DWG application could lead to memory corruption vulnerability by write access violation. This vulnerability in conjunction with other vulnerabilities could lead to code execution in the context of the current process.

Affected Products

Item

Impacted Versions

Mitigated Versions

Update Source

Autodesk® AutoCAD®

2023, 2022, 2021, 2020

2023.1.1, 2022.1.3, 2021.1.3, 2020.1.6

Autodesk Desktop App, or Accounts Portal

Autodesk® AutoCAD® Architecture

2023, 2022, 2021, 2020

2023.1.1, 2022.1.3, 2021.1.3, 2020.1.6**

Autodesk Desktop App, or Accounts Portal

Autodesk® AutoCAD® Electrical

2023, 2022, 2021, 2020

2023.1.1, 2022.1.3, 2021.1.3, 2020.1.6**

Autodesk Desktop App, or Accounts Portal

Autodesk® AutoCAD® Map 3D

2023, 2022, 2021, 2020

2023.1.1, 2022.1.3, 2021.1.3, 2020.1.6**

Autodesk Desktop App, or Accounts Portal

Autodesk® AutoCAD® Mechanical

2023, 2022, 2021, 2020

2023.1.1, 2022.1.3, 2021.1.3, 2020.1.6**

Autodesk Desktop App, or Accounts Portal

Autodesk® AutoCAD® MEP

2023, 2022, 2021, 2020

2023.1.1, 2022.1.3, 2021.1.3, 2020.1.6**

Autodesk Desktop App, or Accounts Portal

Autodesk® AutoCAD® Plant 3D

2023, 2022, 2021, 2020

2023.1.1, 2022.1.3, 2021.1.3, 2020.1.6**

Autodesk Desktop App, or Accounts Portal

Autodesk® AutoCAD® LT

2023, 2022, 2021, 2020

2023.1.1, 2022.1.3, 2021.1.3, 2020.1.6

Autodesk Desktop App, or Accounts Portal

Autodesk® Civil 3D®

2023, 2022, 2021, 2020

2023.1.1, 2022.1.3, 2021.1.3, 2020.1.6**

Autodesk Desktop App, or Accounts Portal

Autodesk® Advance Steel

2023, 2022, 2021, 2020

2023.1.1, 2022.1.3, 2021.1.3, 2020.1.6**

Autodesk Desktop App, or Accounts Portal

*Note: Product list table contents subject to change.

** Note: Users of Autodesk Advance Steel, Autodesk Civil 3D, and the specialized toolsets of AutoCAD need to install either the AutoCAD product update(s) listed above or a more recent product version. These security fixes are not included in the updates specific to individual toolsets.

Recommendations

Autodesk strongly recommends users of the 2020, 2021 and 2022 versions of Autodesk® Advance Steel, Autodesk® Civil 3D®, AutoCAD®, AutoCAD® LT, and AutoCAD-based specialized toolsets listed in the table above should install the latest AutoCAD® or AutoCAD LT 2023 updates, as applicable, via the Autodesk Desktop App or the Accounts Portal.

Customers using previous versions that no longer qualify for full support should plan to upgrade to a supported version as soon as possible to avoid downtime and potential security vulnerabilities. Visit the Autodesk Knowledge Network for more information about previous version support.

Acknowledgements

We would like to thank the following for reporting the relevant issues and for working with Autodesk to help protect our customers:

  • Anonymous working with Trend Micro Zero Day Initiative for reporting CVE-2022-33884, CVE-2022-33885, CVE-2022-33887
  • Tran Van Khang - khangkito (VinCSS) working with Trend Micro Zero Day Initiative for reporting CVE-2022-33886
  • Kushal Arvind Shah of Fortinet's FortiGuard Labs for reporting CVE-2022-33888

Revision History

Revision

Date

Description

1.0

9/22/2022

Initial Release of the Security Advisory

1.1

10/06/2022

Update to CVE information, Product Table, and Recommendations to include AutoCAD 2021 and 2020 products

Disclaimer

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© 2022, Autodesk, Inc.

 

 

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