PT-2020-10764 · Google · Openthread

Published 2020-04-28 · Updated 2020-05-01 · CVE-2019-20791

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions OpenThread versions prior to 2019-12-13

Description The issue is a stack-based buffer overflow in the MeshCoP::Commissioner::GeneratePskc function.

Recommendations For versions prior to 2019-12-13, update to a version released after 2019-12-13 to resolve the issue.

Exploit

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2019-20791

Affected Products

Openthread

References · 6

• 🔥 https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=19386 · Exploit
• https://github.com/openthread/openthread/commit/c3a3a0c424322009fec3ab735fb20ce8f6e19e70 · Patch
• https://github.com/openthread/openthread/commit/b8c3161281f8e15873f8decabd8eac461717aefe · Patch
• https://osv.dev/vulnerability/CVE-2019-20791 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-20791 · Security Note
• https://t.me/cvenotify/3348 · Telegram Post