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FKIE_CVE-2018-16866

Vulnerability from fkie_nvd - Published: 2019-01-11 19:29 - Updated: 2026-06-17 01:44
Summary
An out of bounds read was discovered in systemd-journald in the way it parses log messages that terminate with a colon ':'. A local attacker can use this flaw to disclose process memory data. Versions from v221 to v239 are vulnerable.
References
secalert@redhat.comhttp://packetstormsecurity.com/files/152841/System-Down-A-systemd-journald-Exploit.htmlThird Party Advisory, VDB Entry
secalert@redhat.comhttp://seclists.org/fulldisclosure/2019/May/21Mailing List, Third Party Advisory
secalert@redhat.comhttp://www.openwall.com/lists/oss-security/2019/05/10/4Mailing List, Third Party Advisory
secalert@redhat.comhttp://www.securityfocus.com/bid/106527Third Party Advisory, VDB Entry
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2019:2091Third Party Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2019:3222Third Party Advisory
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2020:0593Third Party Advisory
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16866Issue Tracking, Patch, Third Party Advisory
secalert@redhat.comhttps://seclists.org/bugtraq/2019/May/25Mailing List, Third Party Advisory
secalert@redhat.comhttps://security.gentoo.org/glsa/201903-07Third Party Advisory
secalert@redhat.comhttps://security.netapp.com/advisory/ntap-20190117-0001/Third Party Advisory
secalert@redhat.comhttps://usn.ubuntu.com/3855-1/Third Party Advisory
secalert@redhat.comhttps://www.debian.org/security/2019/dsa-4367Third Party Advisory
secalert@redhat.comhttps://www.qualys.com/2019/01/09/system-down/system-down.txtExploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/152841/System-Down-A-systemd-journald-Exploit.htmlThird Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2019/May/21Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2019/05/10/4Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/106527Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2019:2091Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2019:3222Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2020:0593Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16866Issue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://seclists.org/bugtraq/2019/May/25Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/201903-07Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20190117-0001/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3855-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2019/dsa-4367Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.qualys.com/2019/01/09/system-down/system-down.txtExploit, Third Party Advisory

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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An out of bounds read was discovered in systemd-journald in the way it parses log messages that terminate with a colon \u0027:\u0027. A local attacker can use this flaw to disclose process memory data. Versions from v221 to v239 are vulnerable."
    },
    {
      "lang": "es",
      "value": "Se ha descubierto una lectura fuera de l\u00edmites en systemd-journald en la forma en la que analiza mensajes de registro que terminan con dos puntos \":\". Un atacante local puede emplear este error para divulgar datos de la memoria del proceso. Son vulnerables las versiones desde la v221 hasta la v239."
    }
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  "id": "CVE-2018-16866",
  "lastModified": "2026-06-17T01:44:56.797",
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        "acInsufInfo": false,
        "baseSeverity": "LOW",
        "cvssData": {
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          "authentication": "NONE",
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          "baseScore": 2.1,
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          "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N",
          "version": "2.0"
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        "exploitabilityScore": 3.9,
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          "role": "CISA Coordinator",
          "timestamp": "2025-06-09T15:41:29.041122Z",
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  "published": "2019-01-11T19:29:00.233",
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  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-125"
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          "value": "CWE-200"
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      "source": "nvd@nist.gov",
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  ]
}



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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.

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Detection rules are retrieved from Rulezet.

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Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


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