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CentOS 6 : pcs (CESA-2015:0990)
medium Nessus Plugin ID 83379
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Synopsis
The remote CentOS host is missing a security update.Description
Updated pcs packages that fix one security issue and one bug are now available for Red Hat Enterprise Linux 6.Red Hat Product Security has rated this update as having Important security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section.
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. Note: the pcsd web UI is not enabled by default.
(CVE-2015-1848)
This issue was discovered by Tomas Jelinek of Red Hat.
This update also fixes the following bug :
* When the IPv6 protocol was disabled on a system, starting the pcsd daemon on this system previously failed. This update adds the ability for pcsd to fall back to IPv4 when IPv6 is not available. As a result, pcsd starts properly and uses IPv4 if IPv6 is disabled. (BZ#1212115)
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.
Solution
Update the affected pcs package.See Also
Plugin Details
Severity: Medium
ID: 83379
File Name: centos_RHSA-2015-0990.nasl
Version: 2.9
Type: local
Agent: unix
Family: CentOS Local Security Checks
Published: 5/13/2015
Updated: 1/4/2021
Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 6.6
CVSS v2
Risk Factor: Medium
Base Score: 6.8
Temporal Score: 5
Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P
CVSS Score Source: CVE-2015-1848
Vulnerability Information
CPE: p-cpe:/a:centos:centos:pcs, cpe:/o:centos:centos:6
Required KB Items: Host/local_checks_enabled, Host/CentOS/release, Host/CentOS/rpm-list
Exploit Ease: No known exploits are available
Patch Publication Date: 5/12/2015
Vulnerability Publication Date: 5/14/2015
Reference Information
CVE: CVE-2015-1848, CVE-2015-3983
RHSA: 2015:0990