Improper Input Validation Affecting pcs package, versions <0:0.9.162-5.el7_5.1


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.2% (43rd percentile)

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  • Snyk IDSNYK-RHEL7-PCS-4789225
  • published26 Jul 2021
  • disclosed9 Apr 2018

Introduced: 9 Apr 2018

CVE-2018-1086  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade RHEL:7 pcs to version 0:0.9.162-5.el7_5.1 or higher.
This issue was patched in RHSA-2018:1060.

NVD Description

Note: Versions mentioned in the description apply only to the upstream pcs package and not the pcs package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

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.