PT-2020-9840 · Matrixssl · Matrixssl

Published 2020-12-30 · Updated 2021-01-05 · CVE-2019-16747

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions MatrixSSL versions prior to 4.2.2 Open

Description The issue arises when the DTLS server processes a crafted incoming network message, leading to an invalid pointer free. This results in memory corruption and causes the daemon to crash.

Recommendations For versions prior to 4.2.2 Open, update to version 4.2.2 Open or later to resolve the issue.

Exploit

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2019-16747

Affected Products

Matrixssl

References · 8

• 🔥❌ https://github.com/matrixssl/matrixssl/issues/33 · Exploit, Deleted
• https://nvd.nist.gov/vuln/detail/CVE-2019-16747 · Security Note
• https://osv.dev/vulnerability/CVE-2019-16747 · Vendor Advisory
• ❌ https://github.com/matrixssl/matrixssl/blob/4-2-2-open/doc/CHANGES_v4.x.md · Note, Deleted
• ❌ https://github.com/matrixssl/matrixssl/releases/tag/4-2-2-open · Note, Deleted
• https://t.me/cibsecurity/21431 · Telegram Post
• https://t.me/cvenotify/7992 · Telegram Post
• https://t.me/cvenotify/8165 · Telegram Post