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CVE-2018-16837 (GCVE-0-2018-16837)

Vulnerability from cvelistv5 – Published: 2018-10-23 15:00 – Updated: 2024-08-05 10:32
VLAI
Summary
Ansible "User" module leaks any data which is passed on as a parameter to ssh-keygen. This could lean in undesirable situations such as passphrases credentials 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.
Severity
7.8 (High)
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
Assigner
References
URL Tags
https://access.redhat.com/errata/RHSA-2018:3460 vendor-advisoryx_refsource_REDHAT
http://www.securityfocus.com/bid/105700 vdb-entryx_refsource_BID
https://access.redhat.com/errata/RHSA-2018:3462 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2018:3505 vendor-advisoryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2… x_refsource_CONFIRM
https://access.redhat.com/errata/RHSA-2018:3463 vendor-advisoryx_refsource_REDHAT
https://lists.debian.org/debian-lts-announce/2018… mailing-listx_refsource_MLIST
https://access.redhat.com/errata/RHSA-2018:3461 vendor-advisoryx_refsource_REDHAT
https://www.debian.org/security/2019/dsa-4396 vendor-advisoryx_refsource_DEBIAN
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
https://usn.ubuntu.com/4072-1/ vendor-advisoryx_refsource_UBUNTU
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
Impacted products
Vendor Product Version CPE status
[UNKNOWN] Ansible Affected: n/a
guessed Create a notification for this product.
Date Public
2018-10-23 00:00
Show details on NVD website
To clipboard 

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      "sourceIdentifier": "secalert@redhat.com",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"secalert@redhat.com\", \"type\": \"Secondary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-214\"}]}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-311\"}]}]"
    },
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    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-28T11:50:16+00:00",
      "cve": "CVE-2018-16837",
      "id": "CVE-2018-16837",
      "initial_release_date": "2018-10-23T06:46:00+00:00",
      "product_status:fixed": "82",
      "product_status:known_affected": "7",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "Ansible: Information leak in \"user\" module",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2018/cve-2018-16837.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "important",
      "current_release_date": "2026-09-04T00:57:10Z",
      "cve": "CVE-2018-16837",
      "id": "CVE-2018-16837",
      "initial_release_date": "2023-02-15T04:24:06Z",
      "product_status:known_affected": "4",
      "product_status:recommended": "254",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2018-16837",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2018-16837.json",
      "version": "23"
    }
  }
}



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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

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.


Detection rules are retrieved from Rulezet.