RHSA-2018:2225

Vulnerability from csaf_redhat - Published: 2018-07-19 13:49 - Updated: 2025-11-21 18:05
Summary
Red Hat Security Advisory: fluentd security update

Notes

Topic
An update for fluentd is now available for Red Hat OpenStack Platform 13.0 Operational Tools for Red Hat Enterprise Linux 7. 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
Fluentd is an open source data collector designed to scale and simplify log management. It can collect, process and ship many kinds of data in near real-time. The following packages have been upgraded to a later upstream version: fluentd (0.12.41). (BZ#1552379) Security Fix(es): * fluentd: Escape sequence injection in filter_parser.rb:filter_stream can lead to arbitrary command execution when processing logs (CVE-2017-10906) 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.
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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      "text": "Moderate"
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    "distribution": {
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    "notes": [
      {
        "category": "summary",
        "text": "An update for fluentd is now available for Red Hat OpenStack Platform 13.0 Operational Tools for Red Hat Enterprise Linux 7.\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": "Fluentd is an open source data collector designed to scale and simplify log management. It can collect, process and ship many kinds of data in near real-time.\n\nThe following packages have been upgraded to a later upstream version: fluentd (0.12.41). (BZ#1552379)\n\nSecurity Fix(es):\n\n* fluentd: Escape sequence injection in filter_parser.rb:filter_stream can lead to arbitrary command execution when processing logs (CVE-2017-10906)\n\nFor 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.",
        "title": "Details"
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        "text": "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.",
        "title": "Terms of Use"
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        "url": "https://access.redhat.com/errata/RHSA-2018:2225"
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        "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2018/rhsa-2018_2225.json"
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    "title": "Red Hat Security Advisory: fluentd security update",
    "tracking": {
      "current_release_date": "2025-11-21T18:05:33+00:00",
      "generator": {
        "date": "2025-11-21T18:05:33+00:00",
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          "version": "4.6.12"
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      "id": "RHSA-2018:2225",
      "initial_release_date": "2018-07-19T13:49:38+00:00",
      "revision_history": [
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          "date": "2018-07-19T13:49:38+00:00",
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  "vulnerabilities": [
    {
      "cve": "CVE-2017-10906",
      "cwe": {
        "id": "CWE-138",
        "name": "Improper Neutralization of Special Elements"
      },
      "discovery_date": "2017-12-12T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1524783"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "Escape sequence injection vulnerability in Fluentd versions 0.12.29 through 0.12.40 may allow an attacker to change the terminal UI or execute arbitrary commands on the device via unspecified vectors.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "fluentd: Escape sequence injection in filter_parser.rb:filter_stream can lead to arbitrary command execution when processing logs",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This flaw requires particular preconditions to be exploitable, which are not common in supported deployments of fluentd. The vulnerable system must have all of:\n\n1. A filter_parser enabled in fluentd.conf\n\n2. Fluentd running in non-daemon mode or a bad syslog server that doesn\u0027t sanitise escape sequences (rsyslog does)\n\n3. A vulnerable terminal that happens to be running fluentd or manipulating the fluentd log file (for example tailing it)\n\nThis issue affects the versions of fluentd as shipped with Red Hat OpenShift Enterprise 3. Red Hat Product Security has rated this issue as having security impact of Moderate. A future update may address this issue. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.",
          "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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      },
      "references": [
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          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2017-10906"
        },
        {
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          "summary": "RHBZ#1524783",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1524783"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2017-10906",
          "url": "https://www.cve.org/CVERecord?id=CVE-2017-10906"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2017-10906",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-10906"
        }
      ],
      "release_date": "2017-11-07T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2018-07-19T13:49:38+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
          "product_ids": [
            "7Server-RH7-RHOS-13.0-OPTOOLS:fluentd-0:0.12.41-1.el7.noarch",
            "7Server-RH7-RHOS-13.0-OPTOOLS:fluentd-0:0.12.41-1.el7.src"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2018:2225"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
            "version": "3.0"
          },
          "products": [
            "7Server-RH7-RHOS-13.0-OPTOOLS:fluentd-0:0.12.41-1.el7.noarch",
            "7Server-RH7-RHOS-13.0-OPTOOLS:fluentd-0:0.12.41-1.el7.src"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "fluentd: Escape sequence injection in filter_parser.rb:filter_stream can lead to arbitrary command execution when processing logs"
    }
  ]
}


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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.
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  • 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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