Pacemaker up to 1.1.15 IPC Interface improper authorization

CVSS Meta Temp Score
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CTI Interest Score
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8.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Pacemaker up to 1.1.15 and classified as critical. This impacts an unknown function of the component IPC Interface. The manipulation results in improper authorization. This vulnerability is reported as CVE-2016-7035. The attack requires a local approach. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Pacemaker up to 1.1.15. It has been classified as critical. Affected is an unknown code of the component IPC Interface. The manipulation with an unknown input leads to a improper authorization vulnerability. CWE is classifying the issue as CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

An authorization flaw was found in Pacemaker before 1.1.16, where it did not properly guard its IPC interface. An attacker with an unprivileged account on a Pacemaker node could use this flaw to, for example, force the Local Resource Manager daemon to execute a script as root and thereby gain root access on the machine.

The bug was discovered 08/24/2016. The weakness was disclosed 09/10/2018 with Red Hat (oss-sec). The advisory is shared for download at openwall.com. This vulnerability is traded as CVE-2016-7035 since 08/23/2016. The attack needs to be approached locally. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1548.002.

The vulnerability was handled as a non-public zero-day exploit for at least 76 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 94657 (Fedora 23 : pacemaker (2016-2a159ef513)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 169409 (SUSE Enterprise Linux Security Update for pacemaker (SUSE-SU-2016:2974-1)).

Upgrading to version 1.1.16 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (94657) and SecurityFocus (BID 94214†). The entry VDB-98510 is pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.1
VulDB Meta Temp Score: 8.0

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 8.8
CNA Vector (Red Hat, Inc.): 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Improper authorization
CWE: CWE-285 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 94657
Nessus Name: Fedora 23 : pacemaker (2016-2a159ef513)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 881932
OpenVAS Name: CentOS Update for pacemaker CESA-2016:2675 centos6
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Pacemaker 1.1.16
Patch: github.com

Timelineinfo

08/23/2016 🔍
08/24/2016 +1 days 🔍
11/07/2016 +75 days 🔍
11/10/2016 +2 days 🔍
11/10/2016 +0 days 🔍
09/10/2018 +668 days 🔍
09/10/2018 +0 days 🔍
09/11/2018 +1 days 🔍
05/08/2023 +1700 days 🔍

Sourcesinfo

Advisory: FEDORA-2016-2a159ef513
Organization: Red Hat
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-7035 (🔍)
GCVE (CVE): GCVE-0-2016-7035
GCVE (VulDB): GCVE-100-123792
SecurityFocus: 94214 - Pacemaker CVE-2016-7035 Local Privilege Escalation Vulnerability

See also: 🔍

Entryinfo

Created: 09/11/2018 06:57
Updated: 05/08/2023 07:31
Changes: 09/11/2018 06:57 (75), 03/22/2020 08:58 (4), 05/08/2023 07:20 (5), 05/08/2023 07:25 (12), 05/08/2023 07:31 (1)
Complete: 🔍
Cache ID: 216::103

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