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Mend.io Vulnerability Database

CVE-2016-2181

Date: September 15, 2016

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.

Language: C

Severity Score

7.5

Related Resources (47)

Url: http://www.splunk.com/view/SP-CAAAPSV

Url: https://security-tracker.debian.org/tracker/CVE-2016-2181

Url: http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html

Url: http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html

Url: http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20170322-01-openssl-en

Url: http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00022.html

Url: http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00011.html

Url: http://www.securityfocus.com/bid/92982

Url: https://security.alpinelinux.org/vuln/CVE-2016-2181

Url: https://www.tenable.com/security/tns-2016-16

Url: https://security.FreeBSD.org/advisories/FreeBSD-SA-16:26.openssl.asc

Url: http://www.splunk.com/view/SP-CAAAPUE

Url: https://bto.bluecoat.com/security-advisory/sa132

Url: http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html

Url: http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html

Url: http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00032.html

Url: http://www.securitytracker.com/id/1036690

Url: http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html

Url: http://www.ubuntu.com/usn/USN-3087-2

Url: http://www.ubuntu.com/usn/USN-3087-1

Url: http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00029.html

Url: http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759

Url: http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html

Url: http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00011.html

Url: https://kc.mcafee.com/corporate/index?page=content&id=SB10215

Url: https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2016-2181

Url: http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00010.html

Url: http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html

Url: https://support.f5.com/csp/article/K59298921

Url: http://seclists.org/fulldisclosure/2017/Jul/31

Url: https://nvd.nist.gov/vuln/detail/CVE-2016-2181

Url: https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA40312

Url: http://www.debian.org/security/2016/dsa-3673

Url: https://www.arista.com/en/support/advisories-notices/security-advisories/1749-security-advisory-24

Url: https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=1fb9fdc3027b27d8eb6a1e6a846435b070980770

Url: http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00012.html

Url: http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00024.html

Url: http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00023.html

Url: https://www.tenable.com/security/tns-2016-21

Url: https://www.tenable.com/security/tns-2016-20

Url: http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00005.html

Url: http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00031.html

Url: http://rhn.redhat.com/errata/RHSA-2016-1940.html

Url: https://access.redhat.com/security/cve/CVE-2016-2181

Url: http://www-01.ibm.com/support/docview.wss?uid=swg21995039

Url: https://www.mend.io/vulnerability-database/CVE-2016-2181

Severity Score

7.5

Weakness Type (CWE)

Numeric Errors

CWE-189

CVSS v3.1

Base Score:	7.5
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	HIGH

CVSS v2

Base Score:	5.0
Access Vector (AV):	NETWORK
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	PARTIAL
Additional information:

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CVE-2016-2181

Date: September 15, 2016

Language: C

Severity Score

Related Resources (47)

Severity Score

Weakness Type (CWE)

CVSS v3.1

CVSS v2

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