7.8
CWE
125
Advisory Published
Updated
Advisory Published

CVE-2021-43391: Open Design Alliance (ODA) Drawings Explorer DXF File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability

First published: Sun Nov 14 2021(Updated: )

An Out-of-Bounds Read vulnerability exists when reading a DXF file using Open Design Alliance Drawings SDK before 2022.11. The specific issue exists within the parsing of DXF files. Crafted data in a DXF file (an invalid dash counter in line types) can trigger a read past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Opendesign Drawings Software Development Kit<2022.11

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Frequently Asked Questions

  • What is CVE-2021-43391?

    CVE-2021-43391 is a vulnerability that allows remote attackers to disclose sensitive information on affected installations of Open Design Alliance (ODA) Drawings Explorer.

  • How can this vulnerability be exploited?

    User interaction is required to exploit this vulnerability, such as visiting a malicious page or opening a malicious file.

  • What is the severity of CVE-2021-43391?

    The severity of CVE-2021-43391 is high, with a severity value of 7.8.

  • Which software is affected by CVE-2021-43391?

    CVE-2021-43391 affects Open Design Alliance (ODA) Drawings Explorer and ODAViewer.

  • How can I mitigate this vulnerability?

    To mitigate CVE-2021-43391, it is recommended to update to the latest version of the affected software when a fix becomes available.

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