Vulnerability Details : CVE-2019-16747
Potential exploit
In MatrixSSL before 4.2.2 Open, the DTLS server can encounter an invalid pointer free (leading to memory corruption and a daemon crash) via a crafted incoming network message, a different vulnerability than CVE-2019-14431.
Vulnerability category: Memory Corruption
Products affected by CVE-2019-16747
- cpe:2.3:a:matrixssl:matrixssl:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-16747
0.41%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 58 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-16747
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2019-16747
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-16747
-
https://github.com/matrixssl/matrixssl/blob/4-2-2-open/doc/CHANGES_v4.x.md
matrixssl/CHANGES_v4.x.md at 4-2-2-open · matrixssl/matrixssl · GitHubRelease Notes;Third Party Advisory
-
https://github.com/matrixssl/matrixssl/releases/tag/4-2-2-open
Release MatrixSSL 4.2.2 Open · matrixssl/matrixssl · GitHubThird Party Advisory
-
https://github.com/matrixssl/matrixssl/issues/33
Memory corruption (free on invalid pointer) while parsing DTLS messages · Issue #33 · matrixssl/matrixssl · GitHubExploit;Third Party Advisory
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