RHSA-2018_3462

Vulnerability from csaf_redhat - Published: 2018-11-05 10:55 - Updated: 2024-11-15 00:36
Summary
Red Hat Security Advisory: [ansible] security and bug fix update

Notes

Topic
An update for ansible is now available for Ansible Engine 2. Red Hat Product Security has rated this update as having a security impact of Moderate. 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
Ansible is a simple model-driven configuration management, multi-node deployment, and remote-task execution system. Ansible works over SSH and does not require any software or daemons to be installed on remote nodes. Extension modules can be written in any language and are transferred to managed machines automatically. The following packages have been upgraded to a newer upstream version: ansible (2.7.1) Security fix(es): * ansible: Information leak in "user" module (CVE-2018-16837) 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. Red Hat would like to thank Markus Teufelberger (mgIT Consulting) for reporting this issue. Bug Fix(es): See https://github.com/ansible/ansible/blob/v2.7.1/changelogs/CHANGELOG-v2.7.rst for details on bug fixes in this release.
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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{
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      "text": "Moderate"
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    "category": "csaf_security_advisory",
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    "distribution": {
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    "notes": [
      {
        "category": "summary",
        "text": "An update for ansible is now available for Ansible Engine 2.\n\nRed Hat Product Security has rated this update as having a security impact of Moderate. 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.",
        "title": "Topic"
      },
      {
        "category": "general",
        "text": "Ansible is a simple model-driven configuration management, multi-node\ndeployment, and remote-task execution system. Ansible works over SSH and does not require any software or daemons to be installed on remote nodes. Extension modules can be written in any language and are transferred to managed machines automatically.\n\nThe following packages have been upgraded to a newer upstream version: ansible (2.7.1)\n\nSecurity fix(es):\n\n* ansible: Information leak in \"user\" module (CVE-2018-16837)\n\nFor more details about the security issue(s), including the impact, a CVSS\nscore, and other related information, refer to the CVE page(s) listed in the References section.\n\nRed Hat would like to thank Markus Teufelberger (mgIT Consulting) for\nreporting this issue.\n\nBug Fix(es):\n\nSee\nhttps://github.com/ansible/ansible/blob/v2.7.1/changelogs/CHANGELOG-v2.7.rst\nfor details on bug fixes in this release.",
        "title": "Details"
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        "title": "Terms of Use"
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        "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2018/rhsa-2018_3462.json"
      }
    ],
    "title": "Red Hat Security Advisory: [ansible] security and bug fix update",
    "tracking": {
      "current_release_date": "2024-11-15T00:36:44+00:00",
      "generator": {
        "date": "2024-11-15T00:36:44+00:00",
        "engine": {
          "name": "Red Hat SDEngine",
          "version": "4.2.1"
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      "id": "RHSA-2018:3462",
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      "status": "final",
      "version": "3"
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    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_name",
                "name": "Red Hat Ansible Engine 2 for RHEL 7",
                "product": {
                  "name": "Red Hat Ansible Engine 2 for RHEL 7",
                  "product_id": "7Server-Ansible-2",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:redhat:ansible_engine:2::el7"
                  }
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            ],
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          },
          {
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                    "purl": "pkg:rpm/redhat/ansible@2.7.1-1.el7ae?arch=src"
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  "vulnerabilities": [
    {
      "acknowledgments": [
        {
          "names": [
            "Markus Teufelberger"
          ],
          "organization": "mgIT Consulting"
        }
      ],
      "cve": "CVE-2018-16837",
      "cwe": {
        "id": "CWE-214",
        "name": "Invocation of Process Using Visible Sensitive Information"
      },
      "discovery_date": "2018-10-17T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1640642"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "The User module in Ansible leaks any data which is passed on as a parameter to ssh-keygen. This could lead to undesirable situations such as passphrase credentials being passed as a parameter for the ssh-keygen executable, showing those credentials in clear text form for every user which have access just to the process list.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "Ansible: Information leak in \"user\" module",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This issue affects the version of ansible as shipped with Red Hat Ceph Storage 3, as it contains the vulnerable code which leaks the data when ssh-keygen is invoked with any arguments.",
          "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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          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2018-16837"
        },
        {
          "category": "external",
          "summary": "RHBZ#1640642",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1640642"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2018-16837",
          "url": "https://www.cve.org/CVERecord?id=CVE-2018-16837"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2018-16837",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-16837"
        },
        {
          "category": "external",
          "summary": "https://github.com/ansible/ansible/pull/47436",
          "url": "https://github.com/ansible/ansible/pull/47436"
        }
      ],
      "release_date": "2018-10-23T06:46:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2018-11-05T10:55:52+00:00",
          "details": "For details on how to apply this update, which includes the changes\ndescribed in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
          "product_ids": [
            "7Server-Ansible-2:ansible-0:2.7.1-1.el7ae.noarch",
            "7Server-Ansible-2:ansible-0:2.7.1-1.el7ae.src"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2018:3462"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.0"
          },
          "products": [
            "7Server-Ansible-2:ansible-0:2.7.1-1.el7ae.noarch",
            "7Server-Ansible-2:ansible-0:2.7.1-1.el7ae.src"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "Ansible: Information leak in \"user\" module"
    }
  ]
}


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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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