CVE-2016-6302

Impact:
Moderate
Public Date:
2016-08-23
Bugzilla:
1369855: CVE-2016-6302 openssl: Insufficient TLS session ticket HMAC length checks
An integer underflow flaw leading to a buffer over-read was found in the way OpenSSL parsed TLS session tickets. A remote attacker could use this flaw to crash a TLS server using OpenSSL if it used SHA-512 as HMAC for session tickets.

Find out more about CVE-2016-6302 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 JBoss Core Services on RHEL 6 Server RHSA-2018:2186 2018-07-12
Red Hat Enterprise Linux 6 (openssl) RHSA-2016:1940 2016-09-27
Red Hat JBoss Core Services 1 RHSA-2018:2187 2018-07-12
Red Hat Enterprise Linux 7 (openssl) RHSA-2016:1940 2016-09-27
Red Hat JBoss Core Services on RHEL 7 Server RHSA-2018:2185 2018-07-12

Affected Packages State

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

External References

Last Modified