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redhatRedHatRHSA-2018:1060
HistoryApr 10, 2018 - 8:05 a.m.

(RHSA-2018:1060) Important: pcs security update

2018-04-1008:05:05
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21

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:N/C:P/I:N/A:N

0.006 Low

EPSS

Percentile

77.6%

The pcs packages provide a command-line configuration system for the Pacemaker and Corosync utilities.

Security Fix(es):

  • pcs: Privilege escalation via authorized user malicious REST call (CVE-2018-1079)

  • pcs: Debug parameter removal bypass, allowing information disclosure (CVE-2018-1086)

  • rack-protection: Timing attack in authenticity_token.rb (CVE-2018-1000119)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

The CVE-2018-1079 issue was discovered by Ondrej Mular (Red Hat) and the CVE-2018-1086 issue was discovered by Cedric Buissart (Red Hat).

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:N/C:P/I:N/A:N

0.006 Low

EPSS

Percentile

77.6%

Related for RHSA-2018:1060