CVE-2016-2181

Impact:
Moderate
Public Date:
2016-07-05
CWE:
CWE-20
Bugzilla:
1369113: CVE-2016-2181 openssl: DTLS replay protection bypass allows DoS against DTLS connection
A flaw was found in the Datagram TLS (DTLS) replay protection implementation in OpenSSL. A remote attacker could possibly use this flaw to make a DTLS server using OpenSSL to reject further packets sent from a DTLS client over an established DTLS connection.

Find out more about CVE-2016-2181 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v2 metrics

Base Score 4.3
Base Metrics AV:N/AC:M/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial

CVSS v3 metrics

CVSS3 Base Score 5.9
CVSS3 Base Metrics CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity Impact None
Availability Impact High

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux 6 (openssl) RHSA-2016:1940 2016-09-27
Red Hat Enterprise Linux 7 (openssl) RHSA-2016:1940 2016-09-27

Affected Packages State

Platform Package State
Red Hat JBoss Web Server 3.0 openssl Not affected
Red Hat JBoss EWS 2 openssl Will not fix
Red Hat JBoss EWS 1 openssl Will not fix
Red Hat JBoss EAP 6 openssl Not affected
Red Hat JBoss Core Services 1 openssl Not affected
Red Hat Enterprise Linux 7 openssl098e Will not fix
Red Hat Enterprise Linux 6 openssl098e Will not fix
Red Hat Enterprise Linux 5 openssl Will not fix
Red Hat Enterprise Linux 5 openssl097a Not affected

External References

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