rhsa-2015_0990
Vulnerability from csaf_redhat
Published
2015-05-12 17:59
Modified
2024-11-22 09:06
Summary
Red Hat Security Advisory: pcs security and bug fix update

Notes

Topic
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.
Details
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.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.


To clipboard 

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          "title": "Vulnerability description"
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          "6Server-HighAvailability-6.6.z:pcs-0:0.9.123-9.el6_6.2.src",
          "6Server-HighAvailability-6.6.z:pcs-0:0.9.123-9.el6_6.2.x86_64",
          "6Server-HighAvailability-6.6.z:pcs-debuginfo-0:0.9.123-9.el6_6.2.i686",
          "6Server-HighAvailability-6.6.z:pcs-debuginfo-0:0.9.123-9.el6_6.2.x86_64",
          "6Server-ResilientStorage-6.6.z:pcs-0:0.9.123-9.el6_6.2.i686",
          "6Server-ResilientStorage-6.6.z:pcs-0:0.9.123-9.el6_6.2.src",
          "6Server-ResilientStorage-6.6.z:pcs-0:0.9.123-9.el6_6.2.x86_64",
          "6Server-ResilientStorage-6.6.z:pcs-debuginfo-0:0.9.123-9.el6_6.2.i686",
          "6Server-ResilientStorage-6.6.z:pcs-debuginfo-0:0.9.123-9.el6_6.2.x86_64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2015-3983"
        },
        {
          "category": "external",
          "summary": "RHBZ#1208294",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1208294"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2015-3983",
          "url": "https://www.cve.org/CVERecord?id=CVE-2015-3983"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2015-3983",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2015-3983"
        }
      ],
      "release_date": "2015-05-12T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2015-05-12T17:59:13+00:00",
          "details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
          "product_ids": [
            "6Server-HighAvailability-6.6.z:pcs-0:0.9.123-9.el6_6.2.i686",
            "6Server-HighAvailability-6.6.z:pcs-0:0.9.123-9.el6_6.2.src",
            "6Server-HighAvailability-6.6.z:pcs-0:0.9.123-9.el6_6.2.x86_64",
            "6Server-HighAvailability-6.6.z:pcs-debuginfo-0:0.9.123-9.el6_6.2.i686",
            "6Server-HighAvailability-6.6.z:pcs-debuginfo-0:0.9.123-9.el6_6.2.x86_64",
            "6Server-ResilientStorage-6.6.z:pcs-0:0.9.123-9.el6_6.2.i686",
            "6Server-ResilientStorage-6.6.z:pcs-0:0.9.123-9.el6_6.2.src",
            "6Server-ResilientStorage-6.6.z:pcs-0:0.9.123-9.el6_6.2.x86_64",
            "6Server-ResilientStorage-6.6.z:pcs-debuginfo-0:0.9.123-9.el6_6.2.i686",
            "6Server-ResilientStorage-6.6.z:pcs-debuginfo-0:0.9.123-9.el6_6.2.x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2015:0990"
        }
      ],
      "scores": [
        {
          "cvss_v2": {
            "accessComplexity": "MEDIUM",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 6.8,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
            "version": "2.0"
          },
          "products": [
            "6Server-HighAvailability-6.6.z:pcs-0:0.9.123-9.el6_6.2.i686",
            "6Server-HighAvailability-6.6.z:pcs-0:0.9.123-9.el6_6.2.src",
            "6Server-HighAvailability-6.6.z:pcs-0:0.9.123-9.el6_6.2.x86_64",
            "6Server-HighAvailability-6.6.z:pcs-debuginfo-0:0.9.123-9.el6_6.2.i686",
            "6Server-HighAvailability-6.6.z:pcs-debuginfo-0:0.9.123-9.el6_6.2.x86_64",
            "6Server-ResilientStorage-6.6.z:pcs-0:0.9.123-9.el6_6.2.i686",
            "6Server-ResilientStorage-6.6.z:pcs-0:0.9.123-9.el6_6.2.src",
            "6Server-ResilientStorage-6.6.z:pcs-0:0.9.123-9.el6_6.2.x86_64",
            "6Server-ResilientStorage-6.6.z:pcs-debuginfo-0:0.9.123-9.el6_6.2.i686",
            "6Server-ResilientStorage-6.6.z:pcs-debuginfo-0:0.9.123-9.el6_6.2.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "pcs: improper web session variable signing"
    }
  ]
}


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