PT-2021-23796 · Open Design Alliance · Oda Viewer

Mat Powell · Published 2021-11-10 · Updated 2021-11-17 · CVE-2021-43276

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Open Design Alliance ODA Viewer versions prior to 2022.8

Description An Out-of-bounds Read issue exists, allowing crafted data in a DWF file to trigger a read past the end of an allocated buffer. This can be leveraged by an attacker, in conjunction with other issues, to execute arbitrary code in the context of the current process.

Recommendations For versions prior to 2022.8, update to version 2022.8 or later to resolve the issue. As a temporary workaround, consider restricting the use of DWF files from untrusted sources until a patch is applied.

Fix

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

CVE-2021-43276

ZDI-21-1282

Affected Products

Oda Viewer

References · 6

• https://zerodayinitiative.com/advisories/ZDI-21-1282 · Security Note
• https://osv.dev/vulnerability/CVE-2021-43276 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-43276 · Security Note
• https://opendesign.com/security-advisories · Vendor Advisory
• https://t.me/cvenotify/23398 · Telegram Post
• https://t.me/cibsecurity/32387 · Telegram Post