CVE-2018-1086 : pcs before versions 0.9.164 and 0.10 is vulnerable to a debug parameter removal bypass. REST interface of the pcsd servi

pcs before versions 0.9.164 and 0.10 is vulnerable to a debug parameter removal bypass. REST interface of the pcsd service did not properly remove the pcs debug argument from the /run_pcs query, possibly disclosing sensitive information. A remote attacker with a valid token could use this flaw to elevate their privilege.

Published 2018-04-12 16:29:00

Updated 2019-10-09 23:38:05

Source Red Hat, Inc.

View at NVD, CVE.org

Vulnerability category: Input validationInformation leak

Exploit prediction scoring system (EPSS) score for CVE-2018-1086

EPSS FAQ

0.41%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 74 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2018-1086

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:P/I:N/A:N	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: None Availability Impact: None
7.5	HIGH	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: None Availability: None
4.3	MEDIUM	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N	2.8	1.4	Red Hat, Inc.
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: Low Integrity: None Availability: None

CWE ids for CVE-2018-1086

CWE-20 Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Assigned by: secalert@redhat.com (Secondary)

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2018-1086

https://access.redhat.com/errata/RHSA-2018:1060

RHSA-2018:1060 - Security Advisory - Red Hat Customer Portal
Third Party Advisory

CVEs referencing this url
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1086

1557366 – (CVE-2018-1086) CVE-2018-1086 pcs: Debug parameter removal bypass, allowing information disclosure
Issue Tracking;Third Party Advisory
https://www.debian.org/security/2018/dsa-4169

Debian -- Security Information -- DSA-4169-1 pcs
Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:1927

RHSA-2018:1927 - Security Advisory - Red Hat Customer Portal
Third Party Advisory

Products affected by CVE-2018-1086

Debian » Debian Linux » Version: 9.0
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
Matching versions
Redhat » Enterprise Linux Server Eus » Version: 7.6
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:*
Matching versions
Redhat » Enterprise Linux Server Eus » Version: 7.5
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:*
Matching versions
Clusterlabs » Pacemaker Command Line Interface » Version: 0.10
cpe:2.3:a:clusterlabs:pacemaker_command_line_interface:0.10:*:*:*:*:*:*:*
Matching versions
Clusterlabs » Pacemaker Command Line Interface » Version: 0.9.164
cpe:2.3:a:clusterlabs:pacemaker_command_line_interface:0.9.164:*:*:*:*:*:*:*
Matching versions

Vulnerability Details : CVE-2018-1086

Exploit prediction scoring system (EPSS) score for CVE-2018-1086

CVSS scores for CVE-2018-1086

CWE ids for CVE-2018-1086

References for CVE-2018-1086

Products affected by CVE-2018-1086