CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
EPSS
Percentile
90.3%
CentOS Errata and Security Advisory CESA-2015:0980
The pcs packages provide a command-line tool and a web UI to configure and
manage the Pacemaker and Corosync tools.
It was found that the pcs daemon did not sign cookies containing session
data that were sent to clients connecting via the pcsd web UI. A remote
attacker could use this flaw to forge cookies and bypass authorization
checks, possibly gaining elevated privileges in the pcsd web UI.
(CVE-2015-1848)
This issue was discovered by Tomas Jelinek of Red Hat.
This update also fixes the following bug:
All pcs users are advised to upgrade to these updated packages, which
contain backported patches to correct these issues. After installing the
updated packages, the pcsd daemon will be restarted automatically.
Merged security bulletin from advisories:
https://lists.centos.org/pipermail/centos-announce/2015-May/083288.html
Affected packages:
pcs
python-clufter
Upstream details at:
https://access.redhat.com/errata/RHSA-2015:0980
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
CentOS | 7 | x86_64 | pcs | < 0.9.137-13.el7_1.2 | pcs-0.9.137-13.el7_1.2.x86_64.rpm |
CentOS | 7 | x86_64 | python-clufter | < 0.9.137-13.el7_1.2 | python-clufter-0.9.137-13.el7_1.2.x86_64.rpm |