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CVE-2016-2181 Details

Description

The Anti-Replay feature in the DTLS implementation in OpenSSL before 1.1.0 mishandles early use of a new epoch number in conjunction with a large sequence number, which allows remote attackers to cause a denial of service (false-positive packet drops) via spoofed DTLS records, related to rec_layer_d1.c and ssl3_record.c.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.5 HIGHVector: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

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URL	Source(s)	Tag(s)
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759	CVE	Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00022.html	CVE
http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00023.html	CVE
http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00024.html	CVE
http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00031.html	CVE
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00005.html	CVE
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00011.html	CVE
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00012.html	CVE
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00029.html	CVE
http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00010.html	CVE
http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00011.html	CVE
http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00032.html	CVE
http://rhn.redhat.com/errata/RHSA-2016-1940.html	CVE
https://bto.bluecoat.com/security-advisory/sa132	CVE	Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf	CVE
http://seclists.org/fulldisclosure/2017/Jul/31	CVE
https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=1fb9fdc3027b27d8eb6a1e6a846435b070980770	CVE
https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA40312	CVE	Third Party Advisory
https://kc.mcafee.com/corporate/index?page=content&id=SB10215	CVE
https://security.FreeBSD.org/advisories/FreeBSD-SA-16:26.openssl.asc	CVE
https://support.f5.com/csp/article/K59298921	CVE
https://www.arista.com/en/support/advisories-notices/security-advisories/1749-security-advisory-24	CVE
https://www.tenable.com/security/tns-2016-16	CVE	Third Party Advisory
https://www.tenable.com/security/tns-2016-20	CVE
https://www.tenable.com/security/tns-2016-21	CVE
http://www-01.ibm.com/support/docview.wss?uid=swg21995039	CVE	Third Party Advisory
http://www.debian.org/security/2016/dsa-3673	CVE
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20170322-01-openssl-en	CVE
http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html	CVE
http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html	CVE
http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html	CVE
http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html	CVE	Third Party Advisory
http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html	CVE
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html	CVE	Third Party Advisory
http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html	CVE	Third Party Advisory
http://www.securityfocus.com/bid/92982	CVE	Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1036690	CVE
http://www.splunk.com/view/SP-CAAAPSV	CVE	Third Party Advisory
http://www.splunk.com/view/SP-CAAAPUE	CVE	Third Party Advisory
http://www.ubuntu.com/usn/USN-3087-1	CVE
http://www.ubuntu.com/usn/USN-3087-2	CVE
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759	[email protected]	Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00022.html	[email protected]
http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00023.html	[email protected]
http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00024.html	[email protected]
http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00031.html	[email protected]
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00005.html	[email protected]
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00011.html	[email protected]
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00012.html	[email protected]
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00029.html	[email protected]
http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00010.html	[email protected]
http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00011.html	[email protected]
http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00032.html	[email protected]
http://rhn.redhat.com/errata/RHSA-2016-1940.html	[email protected]
https://bto.bluecoat.com/security-advisory/sa132	[email protected]	Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf	[email protected]
http://seclists.org/fulldisclosure/2017/Jul/31	[email protected]
https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=1fb9fdc3027b27d8eb6a1e6a846435b070980770	[email protected]
https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA40312	[email protected]	Third Party Advisory
https://kc.mcafee.com/corporate/index?page=content&id=SB10215	[email protected]
https://security.FreeBSD.org/advisories/FreeBSD-SA-16:26.openssl.asc	[email protected]
https://support.f5.com/csp/article/K59298921	[email protected]
https://www.arista.com/en/support/advisories-notices/security-advisories/1749-security-advisory-24	[email protected]
https://www.tenable.com/security/tns-2016-16	[email protected]	Third Party Advisory
https://www.tenable.com/security/tns-2016-20	[email protected]
https://www.tenable.com/security/tns-2016-21	[email protected]
http://www-01.ibm.com/support/docview.wss?uid=swg21995039	[email protected]	Third Party Advisory
http://www.debian.org/security/2016/dsa-3673	[email protected]
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20170322-01-openssl-en	[email protected]
http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html	[email protected]
http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html	[email protected]
http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html	[email protected]
http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html	[email protected]	Third Party Advisory
http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html	[email protected]
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html	[email protected]	Third Party Advisory
http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html	[email protected]	Third Party Advisory
http://www.securityfocus.com/bid/92982	[email protected]	Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1036690	[email protected]
http://www.splunk.com/view/SP-CAAAPSV	[email protected]	Third Party Advisory
http://www.splunk.com/view/SP-CAAAPUE	[email protected]	Third Party Advisory
http://www.ubuntu.com/usn/USN-3087-1	[email protected]
http://www.ubuntu.com/usn/USN-3087-2	[email protected]

see all 82 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-189	Numeric Errors	[email protected]

Affected Products

Product	Versions
openssl openssl	1.0.1 1.0.1a 1.0.1b 1.0.1c 1.0.1d
CPE cpe:2.3:a:openssl:openssl:1.0.1:::::::* cpe:2.3:a:openssl:openssl:1.0.1a:::::::* cpe:2.3:a:openssl:openssl:1.0.1b:::::::* cpe:2.3:a:openssl:openssl:1.0.1c:::::::* cpe:2.3:a:openssl:openssl:1.0.1d:::::::* cpe:2.3:a:openssl:openssl:1.0.1e:::::::* cpe:2.3:a:openssl:openssl:1.0.1f:::::::* cpe:2.3:a:openssl:openssl:1.0.1g:::::::* cpe:2.3:a:openssl:openssl:1.0.1h:::::::* cpe:2.3:a:openssl:openssl:1.0.1i:::::::* cpe:2.3:a:openssl:openssl:1.0.1j:::::::* cpe:2.3:a:openssl:openssl:1.0.1k:::::::* cpe:2.3:a:openssl:openssl:1.0.1l:::::::* cpe:2.3:a:openssl:openssl:1.0.1m:::::::* cpe:2.3:a:openssl:openssl:1.0.1n:::::::* cpe:2.3:a:openssl:openssl:1.0.1o:::::::* cpe:2.3:a:openssl:openssl:1.0.1p:::::::* cpe:2.3:a:openssl:openssl:1.0.1q:::::::* cpe:2.3:a:openssl:openssl:1.0.1r:::::::* cpe:2.3:a:openssl:openssl:1.0.1s:::::::* cpe:2.3:a:openssl:openssl:1.0.1t:::::::* cpe:2.3:a:openssl:openssl:1.0.2:::::::* cpe:2.3:a:openssl:openssl:1.0.2a:::::::* cpe:2.3:a:openssl:openssl:1.0.2b:::::::* cpe:2.3:a:openssl:openssl:1.0.2c:::::::* cpe:2.3:a:openssl:openssl:1.0.2d:::::::* cpe:2.3:a:openssl:openssl:1.0.2e:::::::* cpe:2.3:a:openssl:openssl:1.0.2f:::::::* cpe:2.3:a:openssl:openssl:1.0.2g:::::::* cpe:2.3:a:openssl:openssl:1.0.2h:::::::* Remediation No remediation found in references.
oracle linux	6 7
CPE cpe:2.3:o:oracle:linux:6:::::::* cpe:2.3:o:oracle:linux:7:::::::* Remediation No remediation found in references.

Change History

28 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
May 6, 2026	Status Change	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Nov 7, 2023	CVE Modified	[email protected]
Dec 13, 2022	CVE Modified	[email protected]
Nov 17, 2021	CVE Modified	[email protected]
Nov 10, 2021	CVE Modified	[email protected]
Nov 8, 2021	CVE Modified	[email protected]
Dec 27, 2019	CPE Deprecation Remap	[email protected]
Dec 27, 2019	CPE Deprecation Remap	[email protected]
Apr 20, 2018	CVE Modified	[email protected]
Jan 18, 2018	CVE Modified	[email protected]
Jan 5, 2018	CVE Modified	[email protected]
Nov 21, 2017	CVE Modified	[email protected]
Nov 3, 2017	CVE Modified	[email protected]
Oct 20, 2017	CVE Modified	[email protected]
Aug 16, 2017	CVE Modified	[email protected]
Aug 9, 2017	CVE Modified	[email protected]
Feb 23, 2017	Modified Analysis	[email protected]
Feb 2, 2017	CVE Modified	[email protected]
Dec 28, 2016	CVE Modified	[email protected]
Dec 24, 2016	CVE Modified	[email protected]
Nov 28, 2016	CVE Modified	[email protected]
Oct 27, 2016	CVE Modified	[email protected]
Oct 26, 2016	CVE Modified	[email protected]
Sep 16, 2016	Modified Analysis	[email protected]
Sep 16, 2016	Initial Analysis	[email protected]