PT-2021-12055 · Open62541 · Open62541

Published 2021-07-20 · Updated 2021-07-28 · CVE-2020-36429

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions: open62541 versions 1.x before 1.0.4

Description: The issue is related to an out-of-bounds write that occurs when there is a large recursion depth in the Variant encodeJson function.

Recommendations: For open62541 versions 1.x before 1.0.4, update to version 1.0.4 or later to resolve the issue.

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2020-36429

Affected Products

Open62541

References · 7

• https://github.com/open62541/open62541/commit/c800e2987b10bb3af6ef644b515b5d6392f8861d · Patch
• https://github.com/open62541/open62541/compare/v1.0.3...v1.0.4 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2020-36429 · Security Note
• https://osv.dev/vulnerability/CVE-2020-36429 · Vendor Advisory
• https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20578 · Patch
• https://github.com/google/oss-fuzz-vulns/blob/main/vulns/open62541/OSV-2020-153.yaml · Note
• https://t.me/cvenotify/17914 · Telegram Post