CVE-2016-6302

CVSS V2 Medium 5 CVSS V3 High 7.5
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.
Overview
  • CVE ID
  • CVE-2016-6302
  • Assigner
  • secalert@redhat.com
  • Vulnerability Status
  • Modified
  • Published Version
  • 2016-09-16T05:59:12
  • Last Modified Date
  • 2022-12-13T12:15:22
Weakness Enumerations
CWE URL
CWE-20 http://cwe.mitre.org/data/definitions/20.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:openssl:openssl:1.0.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openssl:openssl:1.0.1a:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openssl:openssl:1.0.1b:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openssl:openssl:1.0.1c:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openssl:openssl:1.0.1d:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openssl:openssl:1.0.1e:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openssl:openssl:1.0.1f:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openssl:openssl:1.0.1g:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openssl:openssl:1.0.1h:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openssl:openssl:1.0.1i:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openssl:openssl:1.0.1j:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openssl:openssl:1.0.1k:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openssl:openssl:1.0.1l:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openssl:openssl:1.0.1m:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openssl:openssl:1.0.1n:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openssl:openssl:1.0.1o:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openssl:openssl:1.0.1p:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openssl:openssl:1.0.1q:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openssl:openssl:1.0.1r:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openssl:openssl:1.0.1s:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openssl:openssl:1.0.1t:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openssl:openssl:1.0.2:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openssl:openssl:1.0.2a:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openssl:openssl:1.0.2b:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openssl:openssl:1.0.2c:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openssl:openssl:1.0.2d:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openssl:openssl:1.0.2e:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openssl:openssl:1.0.2f:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openssl:openssl:1.0.2g:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:openssl:openssl:1.0.2h:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:oracle:linux:6:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:oracle:linux:7:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:oracle:solaris:10:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:oracle:solaris:11.3:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://git.openssl.org/?p=openssl.git;a=commit;h=e97763c92c655dcf4af2860b3abd2bc4c8a267f9 Issue Tracking Patch Third Party Advisory
http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html Patch Third Party Advisory
http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html Patch Third Party Advisory
http://www.oracle.com/technetwork/topics/security/bulletinoct2016-3090566.html Patch Third Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html Patch Third Party Advisory
http://www.securityfocus.com/bid/92628 Third Party Advisory VDB Entry
http://www.splunk.com/view/SP-CAAAPUE Third Party Advisory
http://www.splunk.com/view/SP-CAAAPSV Third Party Advisory
https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA40312 Third Party Advisory
https://bto.bluecoat.com/security-advisory/sa132 Third Party Advisory
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759 Third Party Advisory
https://www.tenable.com/security/tns-2016-16 Third Party Advisory
http://www-01.ibm.com/support/docview.wss?uid=swg21995039 Third Party Advisory
https://www.openssl.org/news/vulnerabilities.html#y2017 Vendor Advisory
http://www.securitytracker.com/id/1036885
http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html
http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
https://www.tenable.com/security/tns-2016-21
https://www.tenable.com/security/tns-2016-20
https://security.FreeBSD.org/advisories/FreeBSD-SA-16:26.openssl.asc
http://rhn.redhat.com/errata/RHSA-2016-1940.html
http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html
https://access.redhat.com/errata/RHSA-2018:2187
https://access.redhat.com/errata/RHSA-2018:2186
https://access.redhat.com/errata/RHSA-2018:2185
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2016-6302
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-6302
History
Created Old Value New Value Data Type Notes
2022-05-10 16:55:52 Added to TrackCVE
2022-12-02 11:10:54 2016-09-16T05:59Z 2016-09-16T05:59:12 CVE Published Date updated
2022-12-02 11:10:54 2019-12-27T16:08:55 CVE Modified Date updated
2022-12-02 11:10:54 Modified Vulnerability Status updated
2022-12-13 13:08:46 2022-12-13T12:15:22 CVE Modified Date updated
2023-01-19 16:05:45 Modified Undergoing Analysis Vulnerability Status updated
2023-01-20 09:05:46 Undergoing Analysis Modified Vulnerability Status updated