CVE-2019-20786
Pion DTLS MiTM(datas)
Description
handleIncomingPacket in conn.go in Pion DTLS before 1.5.2 lacks a check for application data with epoch 0, which allows remote attackers to inject arbitrary unencrypted data after handshake completion.
INFO
Published Date :
April 19, 2020, 8:15 p.m.
Last Modified :
Nov. 21, 2024, 4:39 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
3.9
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2019-20786.
| URL | Resource |
|---|---|
| https://github.com/pion/dtls/commit/fd73a5df2ff0e1fb6ae6a51e2777d7a16cc4f4e0 | Patch Third Party Advisory |
| https://github.com/pion/dtls/compare/v1.5.1...v1.5.2 | Patch Third Party Advisory |
| https://www.usenix.org/conference/usenixsecurity20/presentation/fiterau-brostean | Third Party Advisory |
| https://www.usenix.org/system/files/sec20fall_fiterau-brostean_prepub.pdf | Exploit Third Party Advisory |
| https://github.com/pion/dtls/commit/fd73a5df2ff0e1fb6ae6a51e2777d7a16cc4f4e0 | Patch Third Party Advisory |
| https://github.com/pion/dtls/compare/v1.5.1...v1.5.2 | Patch Third Party Advisory |
| https://www.usenix.org/conference/usenixsecurity20/presentation/fiterau-brostean | Third Party Advisory |
| https://www.usenix.org/system/files/sec20fall_fiterau-brostean_prepub.pdf | Exploit Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2019-20786 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2019-20786 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://github.com/pion/dtls/commit/fd73a5df2ff0e1fb6ae6a51e2777d7a16cc4f4e0 Added Reference https://github.com/pion/dtls/compare/v1.5.1...v1.5.2 Added Reference https://www.usenix.org/conference/usenixsecurity20/presentation/fiterau-brostean Added Reference https://www.usenix.org/system/files/sec20fall_fiterau-brostean_prepub.pdf -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Apr. 23, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://github.com/pion/dtls/commit/fd73a5df2ff0e1fb6ae6a51e2777d7a16cc4f4e0 No Types Assigned https://github.com/pion/dtls/commit/fd73a5df2ff0e1fb6ae6a51e2777d7a16cc4f4e0 Patch, Third Party Advisory Changed Reference Type https://github.com/pion/dtls/compare/v1.5.1...v1.5.2 No Types Assigned https://github.com/pion/dtls/compare/v1.5.1...v1.5.2 Patch, Third Party Advisory Changed Reference Type https://www.usenix.org/conference/usenixsecurity20/presentation/fiterau-brostean No Types Assigned https://www.usenix.org/conference/usenixsecurity20/presentation/fiterau-brostean Third Party Advisory Changed Reference Type https://www.usenix.org/system/files/sec20fall_fiterau-brostean_prepub.pdf No Types Assigned https://www.usenix.org/system/files/sec20fall_fiterau-brostean_prepub.pdf Exploit, Third Party Advisory Added CWE NIST CWE-287 Added CPE Configuration OR *cpe:2.3:a:pion:dtls:*:*:*:*:*:*:*:* versions up to (excluding) 1.5.2
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2019-20786 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2019-20786
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
1.22 }} -0.24%
score
0.78178
percentile