RHSA-2019:0735
Vulnerability from csaf_redhat
Published
2019-04-09 17:23
Modified
2024-11-15 05:13
Summary
Red Hat Security Advisory: katello-installer-base security and enhancement update

Notes

Topic
An update for katello-installer-base which configures qpid-dispatch-router is now available for Red Hat Satellite 6.4 for RHEL 7. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
The qpid-dispatch-router package provides remote host management functionality and is configured through the katello-installer-base package. Additional packages included contain enhancements to support the fix. Security Fix(es): * qpid-dispatch-router: QMF methods exposed to goferd via qdrouterd (CVE-2019-3845) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. This issue was discovered by Pavel Moravec (Red Hat).
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.


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  "vulnerabilities": [
    {
      "acknowledgments": [
        {
          "names": [
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          "organization": "Red Hat",
          "summary": "This issue was discovered by Red Hat."
        }
      ],
      "cve": "CVE-2019-3845",
      "cwe": {
        "id": "CWE-284",
        "name": "Improper Access Control"
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      "discovery_date": "2019-02-28T00:00:00+00:00",
      "flags": [
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          "text": "1684275"
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      "notes": [
        {
          "category": "description",
          "text": "A lack of access control was found in the message queues maintained by Satellite\u0027s QPID broker and used by katello-agent. A malicious user authenticated to a host registered to Satellite (or Capsule) can use this flaw to access QMF methods to any host also registered to Satellite (or Capsule) and execute privileged commands.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "katello-installer-base: QMF methods exposed to goferd via qdrouterd",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "On Red Hat Satellite 6.5, the Satellite 6.5 GA release includes a version of katello-installer-base that provides the fixes for this issue.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
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        ],
        "known_not_affected": [
          "7Server-Capsule64:foreman-installer-katello-0:3.7.0.19-1.el7sat.noarch",
          "7Server-Capsule64:satellite-0:6.4.2.1-1.el7sat.noarch",
          "7Server-Capsule64:satellite-0:6.4.2.1-1.el7sat.src",
          "7Server-Capsule64:satellite-capsule-0:6.4.2.1-1.el7sat.noarch",
          "7Server-Capsule64:satellite-cli-0:6.4.2.1-1.el7sat.noarch",
          "7Server-Capsule64:satellite-common-0:6.4.2.1-1.el7sat.noarch",
          "7Server-Capsule64:satellite-debug-tools-0:6.4.2.1-1.el7sat.noarch",
          "7Server-Satellite64:foreman-installer-katello-0:3.7.0.19-1.el7sat.noarch",
          "7Server-Satellite64:satellite-0:6.4.2.1-1.el7sat.noarch",
          "7Server-Satellite64:satellite-0:6.4.2.1-1.el7sat.src",
          "7Server-Satellite64:satellite-capsule-0:6.4.2.1-1.el7sat.noarch",
          "7Server-Satellite64:satellite-cli-0:6.4.2.1-1.el7sat.noarch",
          "7Server-Satellite64:satellite-common-0:6.4.2.1-1.el7sat.noarch",
          "7Server-Satellite64:satellite-debug-tools-0:6.4.2.1-1.el7sat.noarch"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2019-3845"
        },
        {
          "category": "external",
          "summary": "RHBZ#1684275",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1684275"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2019-3845",
          "url": "https://www.cve.org/CVERecord?id=CVE-2019-3845"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2019-3845",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-3845"
        }
      ],
      "release_date": "2019-04-09T13:27:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2019-04-09T17:23:43+00:00",
          "details": "Before applying this update, make sure all previously released errata relevant to your system have been applied.\n\nFor detailed instructions how to apply this update, refer to:\n\nhttps://access.redhat.com/documentation/en-us/red_hat_satellite/6.4/html/upgrading_and_updating_red_hat_satellite/updating_satellite_server_capsule_server_and_content_hosts#updating_satellite_server_to_next_minor_version",
          "product_ids": [
            "7Server-Capsule64:katello-installer-base-0:3.7.0.19-1.el7sat.noarch",
            "7Server-Capsule64:katello-installer-base-0:3.7.0.19-1.el7sat.src",
            "7Server-Satellite64:katello-installer-base-0:3.7.0.19-1.el7sat.noarch",
            "7Server-Satellite64:katello-installer-base-0:3.7.0.19-1.el7sat.src"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2019:0735"
        },
        {
          "category": "workaround",
          "details": "On Satellite Server follow the instructions below:\n\n* Modify /etc/qpid/qpidd.conf to add this line:\n\nacl-file=qpid_acls.acl\n\n\n* Create a new file: /var/lib/qpidd/.qpidd/qpid_acls.acl with content:\n\nacl allow katello_agent@QPID create queue\nacl allow katello_agent@QPID consume queue\nacl allow katello_agent@QPID access exchange\nacl allow katello_agent@QPID access queue\nacl allow katello_agent@QPID publish exchange routingkey=pulp.task\nacl allow katello_agent@QPID publish exchange name=qmf.default.direct\nacl allow katello_agent@QPID access method name=create\n\nacl deny-log katello_agent@QPID access method name=*\nacl deny-log katello_agent@QPID all all\n\n# allow anything else\nacl allow all all\n\n\n* As root, execute the command:\n# systemctl restart qpidd\n\n\n* In /etc/qpid-dispatch/qdrouterd.conf modify the connector:\n\nconnector {\n\tname: broker\n\thost: localhost\n\tport: 5671\n\tsasl-mechanisms: PLAIN\n\tsasl-username: katello_agent\n\tsasl-password: katello_agent\n\trole: route-container\n\tssl-profile: client\n\tidle-timeout-seconds: 0\n}\n\n\n* As root, execute the command:\n# systemctl restart qdrouterd\n\n\nThese ACLs will prevent clients to redirect or move messages to various queues which is the nature of the CVE.\nAll other behavior will be unchanged (acl allow all all) which is the current baseline.",
          "product_ids": [
            "7Server-Capsule64:foreman-installer-katello-0:3.7.0.19-1.el7sat.noarch",
            "7Server-Capsule64:katello-installer-base-0:3.7.0.19-1.el7sat.noarch",
            "7Server-Capsule64:katello-installer-base-0:3.7.0.19-1.el7sat.src",
            "7Server-Capsule64:satellite-0:6.4.2.1-1.el7sat.noarch",
            "7Server-Capsule64:satellite-0:6.4.2.1-1.el7sat.src",
            "7Server-Capsule64:satellite-capsule-0:6.4.2.1-1.el7sat.noarch",
            "7Server-Capsule64:satellite-cli-0:6.4.2.1-1.el7sat.noarch",
            "7Server-Capsule64:satellite-common-0:6.4.2.1-1.el7sat.noarch",
            "7Server-Capsule64:satellite-debug-tools-0:6.4.2.1-1.el7sat.noarch",
            "7Server-Satellite64:foreman-installer-katello-0:3.7.0.19-1.el7sat.noarch",
            "7Server-Satellite64:katello-installer-base-0:3.7.0.19-1.el7sat.noarch",
            "7Server-Satellite64:katello-installer-base-0:3.7.0.19-1.el7sat.src",
            "7Server-Satellite64:satellite-0:6.4.2.1-1.el7sat.noarch",
            "7Server-Satellite64:satellite-0:6.4.2.1-1.el7sat.src",
            "7Server-Satellite64:satellite-capsule-0:6.4.2.1-1.el7sat.noarch",
            "7Server-Satellite64:satellite-cli-0:6.4.2.1-1.el7sat.noarch",
            "7Server-Satellite64:satellite-common-0:6.4.2.1-1.el7sat.noarch",
            "7Server-Satellite64:satellite-debug-tools-0:6.4.2.1-1.el7sat.noarch"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.0,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.0"
          },
          "products": [
            "7Server-Capsule64:katello-installer-base-0:3.7.0.19-1.el7sat.noarch",
            "7Server-Capsule64:katello-installer-base-0:3.7.0.19-1.el7sat.src",
            "7Server-Satellite64:katello-installer-base-0:3.7.0.19-1.el7sat.noarch",
            "7Server-Satellite64:katello-installer-base-0:3.7.0.19-1.el7sat.src"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "katello-installer-base: QMF methods exposed to goferd via qdrouterd"
    }
  ]
}


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