CVE-2016-6302

7.5 HIGH
Published: September 16, 2016 Modified: May 06, 2026
View on NVD

Description

The tls_decrypt_ticket function in ssl/t1_lib.c in OpenSSL before 1.1.0 does not consider the HMAC size during validation of the ticket length, which allows remote attackers to cause a denial of service via a ticket that is too short.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759
Source: secalert@redhat.com
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1940.html
Source: secalert@redhat.com
http://www-01.ibm.com/support/docview.wss?uid=swg21995039
Source: secalert@redhat.com
Third Party Advisory
http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html
Source: secalert@redhat.com
http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
Source: secalert@redhat.com
http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html
Source: secalert@redhat.com
http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html
Source: secalert@redhat.com
Patch Third Party Advisory
http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
Source: secalert@redhat.com
http://www.oracle.com/technetwork/topics/security/bulletinoct2016-3090566.html
Source: secalert@redhat.com
Patch Third Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html
Source: secalert@redhat.com
Patch Third Party Advisory
http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html
Source: secalert@redhat.com
Patch Third Party Advisory
http://www.securityfocus.com/bid/92628
Source: secalert@redhat.com
Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1036885
Source: secalert@redhat.com
http://www.splunk.com/view/SP-CAAAPSV
Source: secalert@redhat.com
Third Party Advisory
http://www.splunk.com/view/SP-CAAAPUE
Source: secalert@redhat.com
Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2185
Source: secalert@redhat.com
https://access.redhat.com/errata/RHSA-2018:2186
Source: secalert@redhat.com
https://access.redhat.com/errata/RHSA-2018:2187
Source: secalert@redhat.com
https://bto.bluecoat.com/security-advisory/sa132
Source: secalert@redhat.com
Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
Source: secalert@redhat.com
https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=e97763c92c655dcf4af2860b3abd2bc4c8a267f9
Source: secalert@redhat.com
https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA40312
Source: secalert@redhat.com
Third Party Advisory
https://security.FreeBSD.org/advisories/FreeBSD-SA-16:26.openssl.asc
Source: secalert@redhat.com
https://www.tenable.com/security/tns-2016-16
Source: secalert@redhat.com
Third Party Advisory
https://www.tenable.com/security/tns-2016-20
Source: secalert@redhat.com
https://www.tenable.com/security/tns-2016-21
Source: secalert@redhat.com
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1940.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://www-01.ibm.com/support/docview.wss?uid=swg21995039
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Third Party Advisory
http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.oracle.com/technetwork/topics/security/bulletinoct2016-3090566.html
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Third Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Third Party Advisory
http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Third Party Advisory
http://www.securityfocus.com/bid/92628
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1036885
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.splunk.com/view/SP-CAAAPSV
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.splunk.com/view/SP-CAAAPUE
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2185
Source: af854a3a-2127-422b-91ae-364da2661108
https://access.redhat.com/errata/RHSA-2018:2186
Source: af854a3a-2127-422b-91ae-364da2661108
https://access.redhat.com/errata/RHSA-2018:2187
Source: af854a3a-2127-422b-91ae-364da2661108
https://bto.bluecoat.com/security-advisory/sa132
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
Source: af854a3a-2127-422b-91ae-364da2661108
https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=e97763c92c655dcf4af2860b3abd2bc4c8a267f9
Source: af854a3a-2127-422b-91ae-364da2661108
https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA40312
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://security.FreeBSD.org/advisories/FreeBSD-SA-16:26.openssl.asc
Source: af854a3a-2127-422b-91ae-364da2661108
https://www.tenable.com/security/tns-2016-16
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://www.tenable.com/security/tns-2016-20
Source: af854a3a-2127-422b-91ae-364da2661108
https://www.tenable.com/security/tns-2016-21
Source: af854a3a-2127-422b-91ae-364da2661108

52 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.5 / 10.0
EPSS (Exploit Probability)
26.4%
98th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-20

Affected Vendors

openssl oracle

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