CVE-2018-16877

pacemaker: Insufficient local IPC client-server authentication on the client's side can lead to local privesc

Severity Score

7.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A flaw was found in the way pacemaker's client-server authentication was implemented in versions up to and including 2.0.0. A local attacker could use this flaw, and combine it with other IPC weaknesses, to achieve local privilege escalation.

Se encontró un fallo en la forma en que se implementó la autenticación cliente-servidor del software Pacemaker, en versiones hasta la 2.0.0 inclusive. Un atacante local podría utilizar este fallo, y combinarlo con otras debilidades del IPC, para lograr una escalada de privilegios locales.

A flaw was found in the way pacemaker's client-server authentication was implemented. A local attacker could use this flaw, and combine it with other IPC weaknesses, to achieve local privilege escalation.

*Credits: N/A

CVSS Scores

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2018-09-11 CVE Reserved
2019-04-18 CVE Published
2023-09-30 EPSS Updated
2024-08-05 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-287: Improper Authentication

CAPEC

References (15)

URL	Tag	Source
http://www.securityfocus.com/bid/108042	Broken Link
https://lists.debian.org/debian-lts-announce/2021/01/msg00007.html	Mailing List

URL	Date	SRC

URL	Date	SRC
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16877	2023-11-07
https://github.com/ClusterLabs/pacemaker/pull/1749	2023-11-07

URL	Date	SRC
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00012.html	2023-11-07
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00034.html	2023-11-07
https://access.redhat.com/errata/RHSA-2019:1278	2023-11-07
https://access.redhat.com/errata/RHSA-2019:1279	2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3GCWFO7GL6MBU6C4BGFO3P6L77DIBBF3	2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FY4M4RMIG2POKC6OOFQODGKPRYXHET2F	2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HR6QUYGML735EI3HEEHYRDW7EG73BUH2	2023-11-07
https://security.gentoo.org/glsa/202309-09	2023-11-07
https://usn.ubuntu.com/3952-1	2023-11-07
https://access.redhat.com/security/cve/CVE-2018-16877	2019-05-27
https://bugzilla.redhat.com/show_bug.cgi?id=1652646	2019-05-27

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Clusterlabs Search vendor "Clusterlabs"		Pacemaker Search vendor "Clusterlabs" for product "Pacemaker"				<= 2.0.0 Search vendor "Clusterlabs" for product "Pacemaker" and version " <= 2.0.0"		-		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				16.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "16.04"		lts		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				18.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "18.04"		lts		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				18.10 Search vendor "Canonical" for product "Ubuntu Linux" and version "18.10"		-		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				19.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "19.04"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				28 Search vendor "Fedoraproject" for product "Fedora" and version "28"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				29 Search vendor "Fedoraproject" for product "Fedora" and version "29"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				30 Search vendor "Fedoraproject" for product "Fedora" and version "30"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				9.0 Search vendor "Debian" for product "Debian Linux" and version "9.0"		-		Affected
Opensuse Search vendor "Opensuse"		Leap Search vendor "Opensuse" for product "Leap"				15.0 Search vendor "Opensuse" for product "Leap" and version "15.0"		-		Affected
Opensuse Search vendor "Opensuse"		Leap Search vendor "Opensuse" for product "Leap"				42.3 Search vendor "Opensuse" for product "Leap" and version "42.3"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"				8.0 Search vendor "Redhat" for product "Enterprise Linux" and version "8.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Eus Search vendor "Redhat" for product "Enterprise Linux Eus"				8.1 Search vendor "Redhat" for product "Enterprise Linux Eus" and version "8.1"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Eus Search vendor "Redhat" for product "Enterprise Linux Eus"				8.2 Search vendor "Redhat" for product "Enterprise Linux Eus" and version "8.2"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Eus Search vendor "Redhat" for product "Enterprise Linux Eus"				8.4 Search vendor "Redhat" for product "Enterprise Linux Eus" and version "8.4"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Eus Search vendor "Redhat" for product "Enterprise Linux Eus"				8.6 Search vendor "Redhat" for product "Enterprise Linux Eus" and version "8.6"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Aus Search vendor "Redhat" for product "Enterprise Linux Server Aus"				8.2 Search vendor "Redhat" for product "Enterprise Linux Server Aus" and version "8.2"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Aus Search vendor "Redhat" for product "Enterprise Linux Server Aus"				8.4 Search vendor "Redhat" for product "Enterprise Linux Server Aus" and version "8.4"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Aus Search vendor "Redhat" for product "Enterprise Linux Server Aus"				8.6 Search vendor "Redhat" for product "Enterprise Linux Server Aus" and version "8.6"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Tus Search vendor "Redhat" for product "Enterprise Linux Server Tus"				8.2 Search vendor "Redhat" for product "Enterprise Linux Server Tus" and version "8.2"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Tus Search vendor "Redhat" for product "Enterprise Linux Server Tus"				8.4 Search vendor "Redhat" for product "Enterprise Linux Server Tus" and version "8.4"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Tus Search vendor "Redhat" for product "Enterprise Linux Server Tus"				8.6 Search vendor "Redhat" for product "Enterprise Linux Server Tus" and version "8.6"		-		Affected