#VU53964 Out-of-bounds read in Drawings SDK - CVE-2021-32938

Vulnerability identifier: #VU53964

Vulnerability risk: Medium

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-32938

CWE-ID: CWE-125

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Drawings SDK
Other software / Other software solutions

Vendor: Open Design Alliance

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition. A remote attacker can create a specially crafted DWG file, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system, or cause a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Drawings SDK: before 2022.4

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External links
https://ics-cert.us-cert.gov/advisories/icsa-21-159-02
https://www.opendesign.com/security-advisories
https://www.zerodayinitiative.com/advisories/ZDI-23-135/
https://www.zerodayinitiative.com/advisories/ZDI-23-129/
https://www.zerodayinitiative.com/advisories/ZDI-23-207/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.