7.5
HIGH
CVE-2016-7797
Pacemaker Denial of Service (DoS) down Node Vulnerability
Description

Pacemaker before 1.1.15, when using pacemaker remote, might allow remote attackers to cause a denial of service (node disconnection) via an unauthenticated connection.

INFO

Published Date :

March 24, 2017, 3:59 p.m.

Last Modified :

Oct. 30, 2018, 4:27 p.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2016-7797 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Suse linux_enterprise_software_development_kit
2 Suse linux_enterprise_high_availability
1 Redhat enterprise_linux_high_availability
2 Redhat enterprise_linux_resilient_storage
1 Opensuse leap
1 Clusterlabs pacemaker
1 Opensuse_project leap
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2016-7797.

URL Resource
http://bugs.clusterlabs.org/show_bug.cgi?id=5269 Issue Tracking Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-11/msg00038.html Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00001.html Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2016-12/msg00077.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-2578.html Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/10/01/1 Mailing List Patch Third Party Advisory
http://www.securityfocus.com/bid/93261 Third Party Advisory VDB Entry
https://github.com/ClusterLabs/pacemaker/commit/5ec24a2642bd0854b884d1a9b51d12371373b410 Patch Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2016-7797 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2016-7797 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CPE Deprecation Remap by [email protected]

    Oct. 30, 2018

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:o:opensuse_project:leap:42.2:*:*:*:*:*:*:* OR *cpe:2.3:o:opensuse:leap:42.2:*:*:*:*:*:*:*
  • Initial Analysis by [email protected]

    Mar. 28, 2017

    Action Type Old Value New Value
    Added CVSS V2 (AV:N/AC:L/Au:N/C:N/I:N/A:P)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00001.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00001.html Third Party Advisory
    Changed Reference Type http://bugs.clusterlabs.org/show_bug.cgi?id=5269 No Types Assigned http://bugs.clusterlabs.org/show_bug.cgi?id=5269 Issue Tracking, Vendor Advisory
    Changed Reference Type http://www.openwall.com/lists/oss-security/2016/10/01/1 No Types Assigned http://www.openwall.com/lists/oss-security/2016/10/01/1 Mailing List, Patch, Third Party Advisory
    Changed Reference Type http://rhn.redhat.com/errata/RHSA-2016-2578.html No Types Assigned http://rhn.redhat.com/errata/RHSA-2016-2578.html Third Party Advisory
    Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2016-11/msg00038.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2016-11/msg00038.html Third Party Advisory
    Changed Reference Type https://github.com/ClusterLabs/pacemaker/commit/5ec24a2642bd0854b884d1a9b51d12371373b410 No Types Assigned https://github.com/ClusterLabs/pacemaker/commit/5ec24a2642bd0854b884d1a9b51d12371373b410 Patch, Third Party Advisory
    Changed Reference Type http://www.securityfocus.com/bid/93261 No Types Assigned http://www.securityfocus.com/bid/93261 Third Party Advisory, VDB Entry
    Changed Reference Type http://lists.opensuse.org/opensuse-updates/2016-12/msg00077.html No Types Assigned http://lists.opensuse.org/opensuse-updates/2016-12/msg00077.html Third Party Advisory
    Added CWE CWE-254
    Added CPE Configuration OR *cpe:2.3:a:clusterlabs:pacemaker:1.1.14:*:*:*:*:*:*:* (and previous)
    Added CPE Configuration OR *cpe:2.3:o:opensuse_project:leap:42.1:*:*:*:*:*:*:* *cpe:2.3:o:opensuse_project:leap:42.2:*:*:*:*:*:*:* *cpe:2.3:o:suse:linux_enterprise_high_availability:12:sp2:*:*:*:*:*:* *cpe:2.3:o:suse:linux_enterprise_software_development_kit:12:sp2:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:redhat:enterprise_linux_high_availability:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_resilient_storage:7.0:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2016-7797 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2016-7797 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

2.27 }} 0.26%

score

0.89684

percentile

CVSS30 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability