Vulnerability Details : CVE-2016-2181
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.
Vulnerability category: Denial of service
Exploit prediction scoring system (EPSS) score for CVE-2016-2181
Probability of exploitation activity in the next 30 days: 56.84%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 98 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2016-2181
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST |
7.5
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2016-2181
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2016-2181
-
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00029.html
[security-announce] openSUSE-SU-2016:2537-1: important: Security update for compat-openssl098 - openSUSE Security Announce - openSUSE Mailing Lists
-
http://rhn.redhat.com/errata/RHSA-2016-1940.html
RHSA-2016:1940 - Security Advisory - Red Hat Customer Portal
-
http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html
Oracle Critical Patch Update - April 2018
-
https://www.tenable.com/security/tns-2016-20
[R3] PVS 5.2.0 Fixes Multiple Third-party Library Vulnerabilities - Security Advisory | TenableĀ®
-
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00005.html
[security-announce] SUSE-SU-2016:2458-1: important: Security update for openssl - openSUSE Security Announce - openSUSE Mailing Lists
-
http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
Oracle Critical Patch Update - January 2018
-
http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00024.html
[security-announce] SUSE-SU-2016:2394-1: important: Security update for openssl - openSUSE Security Announce - openSUSE Mailing Lists
- https://kc.mcafee.com/corporate/index?page=content&id=SB10215
-
http://seclists.org/fulldisclosure/2017/Jul/31
Full Disclosure: Orion Elite Hidden IP Browser Pro - All Versions - Multiple Known Vulnerabilities
-
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00012.html
[security-announce] SUSE-SU-2016:2469-1: important: Security update for openssl1 - openSUSE Security Announce - openSUSE Mailing Lists
-
https://support.f5.com/csp/article/K59298921
OpenSSL vulnerability CVE-2016-2181
-
https://www.tenable.com/security/tns-2016-21
[R2] LCE 4.8.2 Fixes Multiple Third-party Library Vulnerabilities - Security Advisory | TenableĀ®
-
http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html
Oracle VM Server for x86 Bulletin - October 2016Third Party Advisory
-
https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA40312
Pulse Security Advisory: SA40312 - September 22 2016 OpenSSL Security AdvisoryThird Party Advisory
-
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html
Oracle Linux Bulletin - October 2016Third Party Advisory
-
http://www.securitytracker.com/id/1036690
OpenSSL DTLS Replace Protection Sequence Number Processing Errors Let Remote Users Deny Service - SecurityTracker
-
http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
Oracle Critical Patch Update - October 2017
-
http://www-01.ibm.com/support/docview.wss?uid=swg21995039
IBM notice: The page you requested cannot be displayedThird Party Advisory
-
https://git.openssl.org/?p=openssl.git;a=commit;h=1fb9fdc3027b27d8eb6a1e6a846435b070980770
git.openssl.org Git - openssl.git/commitIssue Tracking;Patch;Third Party Advisory
-
http://www.securityfocus.com/bid/92982
OpenSSL CVE-2016-2181 Denial of Service VulnerabilityThird Party Advisory;VDB Entry
-
http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html
Oracle Critical Patch Update - October 2016Third Party Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00023.html
[security-announce] openSUSE-SU-2016:2391-1: important: Security update for openssl - openSUSE Security Announce - openSUSE Mailing Lists
-
http://www.debian.org/security/2016/dsa-3673
Debian -- Security Information -- DSA-3673-1 openssl
-
http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00031.html
[security-announce] openSUSE-SU-2016:2407-1: important: Security update for openssl - openSUSE Security Announce - openSUSE Mailing Lists
-
http://www.splunk.com/view/SP-CAAAPUE
Splunk Enterprise 6.4.5 addresses multiple vulnerabilities | SplunkThird Party Advisory
- https://security.FreeBSD.org/advisories/FreeBSD-SA-16:26.openssl.asc
-
http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00011.html
[security-announce] SUSE-SU-2017:2700-1: important: Security update for SLES 12-SP1 Docker image - openSUSE Security Announce - openSUSE Mailing Lists
-
https://www.arista.com/en/support/advisories-notices/security-advisories/1749-security-advisory-24
Security Advisory 0024 - Arista
-
https://www.tenable.com/security/tns-2016-16
[R7] Nessus 6.9 Fixes Multiple Vulnerabilities - Security Advisory | TenableĀ®Third Party Advisory
-
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20170322-01-openssl-en
Security Advisory - Sixteen OpenSSL Vulnerabilities on Some Huawei products
-
https://bto.bluecoat.com/security-advisory/sa132
SA132 : OpenSSL Vulnerabilities 22-Sep-2016 and 26-Sep-2016Third Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
-
http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00022.html
[security-announce] SUSE-SU-2016:2387-1: important: Security update for openssl - openSUSE Security Announce - openSUSE Mailing Lists
-
http://www.splunk.com/view/SP-CAAAPSV
Splunk Enterprise 6.5.1 addresses multiple OpenSSL vulnerabilities | SplunkThird Party Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00010.html
[security-announce] SUSE-SU-2017:2699-1: important: Security update for SLES 12 Docker image - openSUSE Security Announce - openSUSE Mailing Lists
-
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759
Juniper Networks - 2016-10 Security Bulletin: OpenSSL security updatesThird Party Advisory
-
http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html
Oracle Critical Patch Update - July 2017
-
http://www.ubuntu.com/usn/USN-3087-2
USN-3087-2: OpenSSL regression | Ubuntu security notices | Ubuntu
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00011.html
-
http://www.ubuntu.com/usn/USN-3087-1
USN-3087-1: OpenSSL vulnerabilities | Ubuntu security notices | Ubuntu
-
http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00032.html
[security-announce] openSUSE-SU-2018:0458-1: important: Security update for openssl-steam - openSUSE Security Announce - openSUSE Mailing Lists
Products affected by CVE-2016-2181
- cpe:2.3:o:oracle:linux:7:*:*:*:*:*:*:*
- cpe:2.3:o:oracle:linux:6:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:1.0.1f:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:1.0.1c:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:1.0.1b:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:1.0.1e:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:1.0.1d:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:1.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:1.0.1a:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:1.0.1g:*:*:*:*:*:*:*
- 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:1.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:1.0.1l:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:1.0.1k:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:1.0.1m:*:*:*:*:*:*:*
- 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:1.0.1n:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:1.0.1o:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:1.0.2d:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:1.0.2e:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:1.0.1q:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:1.0.1p:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:1.0.2f:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:1.0.1r:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:1.0.2g:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:1.0.1s:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:1.0.1t:*:*:*:*:*:*:*
- cpe:2.3:a:openssl:openssl:1.0.2h:*:*:*:*:*:*:*