CVE-2019-20786

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.

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

V2 Legend

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/pion/dtls/compare/v1.5.1...v1.5.2	Patch Third Party Advisory
https://github.com/pion/dtls/commit/fd73a5df2ff0e1fb6ae6a51e2777d7a16cc4f4e0	Patch Third Party Advisory
https://www.usenix.org/system/files/sec20fall_fiterau-brostean_prepub.pdf	Exploit Third Party Advisory
https://www.usenix.org/conference/usenixsecurity20/presentation/fiterau-brostean	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:pion:dtls:*:*:*:*:*:*:*:*

Information

Published : 2020-04-19 13:15

Updated : 2020-04-23 07:47

NVD link : CVE-2019-20786

Mitre link : CVE-2019-20786

JSON object : View

CWE

CWE-287

Improper Authentication

Products Affected

pion

dtls

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9.8 /10