CVEvulnerability

CVE-2019-14431

9.8 CRITICAL Published 2019-07-29 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2019-07-29
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 3.0 ([email protected])
9.8 CRITICAL — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
Weaknesses
CWE-755, CWE-787

Description

In MatrixSSL 3.8.3 Open through 4.2.1 Open, the DTLS server mishandles incoming network messages leading to a heap-based buffer overflow of up to 256 bytes and possible Remote Code Execution in parseSSLHandshake in sslDecode.c. During processing of a crafted packet, the server mishandles the fragment length value provided in the DTLS message.

Affected configurations

• matrixssl matrixssl (>= 3.8.2 <= 4.2.1)

Related

Weakness · CWE (2)

  • CWE-755 Improper Handling of Exceptional Conditions weakness
  • CWE-787 Out-of-bounds Write weakness

References