CVE-2021-43582: opendesign drawings_sdk Use After Free

Vulnerability summary

CVE-2021-43582 is a high (CVSS 7.8) Use After Free vulnerability in opendesign drawings_sdk. EPSS estimates a 1.38% chance of exploitation in the next 30 days, higher than 71.7% of scored vulnerabilities.

Timeline

1. 22-11-2021
   PublishedVulnerability first disclosed.
2. 04-08-2024
   Last modifiedVulnerability information updated.

Description

A Use-After-Free Remote Vulnerability exists when reading a DWG file using Open Design Alliance Drawings SDK before 2022.11. The specific issue exists within the parsing of DWG 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.

• CWE-416Use After FreeThe product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.