CVE-2018-16865 (GCVE-0-2018-16865)

Vulnerability from cvelistv5 – Published: 2019-01-11 21:00 – Updated: 2025-06-09 15:51
VLAI
Summary
An allocation of memory without limits, that could result in the stack clashing with another memory region, was discovered in systemd-journald when many entries are sent to the journal socket. A local attacker, or a remote one if systemd-journal-remote is used, may use this flaw to crash systemd-journald or execute code with journald privileges. Versions through v240 are vulnerable.
Severity
7.5 (High)
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
Assigner
References
URL Tags
https://access.redhat.com/errata/RHSA-2019:0342 vendor-advisoryx_refsource_REDHAT
https://lists.debian.org/debian-lts-announce/2019… mailing-listx_refsource_MLIST
http://www.securityfocus.com/bid/106525 vdb-entryx_refsource_BID
https://www.debian.org/security/2019/dsa-4367 vendor-advisoryx_refsource_DEBIAN
https://access.redhat.com/errata/RHSA-2019:0204 vendor-advisoryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2… x_refsource_CONFIRM
https://security.netapp.com/advisory/ntap-2019011… x_refsource_CONFIRM
https://www.qualys.com/2019/01/09/system-down/sys… x_refsource_MISC
https://usn.ubuntu.com/3855-1/ vendor-advisoryx_refsource_UBUNTU
https://access.redhat.com/errata/RHSA-2019:0049 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2019:0271 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2019:0361 vendor-advisoryx_refsource_REDHAT
https://security.gentoo.org/glsa/201903-07 vendor-advisoryx_refsource_GENTOO
https://www.oracle.com/technetwork/security-advis… x_refsource_MISC
https://access.redhat.com/errata/RHBA-2019:0327 vendor-advisoryx_refsource_REDHAT
http://www.openwall.com/lists/oss-security/2019/05/10/4 mailing-listx_refsource_MLIST
https://seclists.org/bugtraq/2019/May/25 mailing-listx_refsource_BUGTRAQ
http://packetstormsecurity.com/files/152841/Syste… x_refsource_MISC
http://seclists.org/fulldisclosure/2019/May/21 mailing-listx_refsource_FULLDISC
https://access.redhat.com/errata/RHSA-2019:2402 vendor-advisoryx_refsource_REDHAT
http://www.openwall.com/lists/oss-security/2021/07/20/2 mailing-listx_refsource_MLIST
Impacted products
Vendor Product Version
The systemd Project systemd Affected: through v240
Create a notification for this product.
Date Public
2019-01-09 00:00
Show details on NVD website
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\"https://access.redhat.com/errata/RHSA-2019:2402\", \"name\": \"RHSA-2019:2402\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"http://www.openwall.com/lists/oss-security/2021/07/20/2\", \"name\": \"[oss-security] 20210720 CVE-2021-33910: Denial of service (stack exhaustion) in systemd (PID 1)\", \"tags\": [\"mailing-list\", \"x_refsource_MLIST\"]}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"An allocation of memory without limits, that could result in the stack clashing with another memory region, was discovered in systemd-journald when many entries are sent to the journal socket. A local attacker, or a remote one if systemd-journal-remote is used, may use this flaw to crash systemd-journald or execute code with journald privileges. Versions through v240 are vulnerable.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-770\", \"description\": \"CWE-770\"}]}], \"providerMetadata\": {\"orgId\": \"53f830b8-0a3f-465b-8143-3b8a9948e749\", \"shortName\": \"redhat\", \"dateUpdated\": \"2021-07-20T14:06:07.000Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2018-16865\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-06-09T15:51:35.108Z\", \"dateReserved\": \"2018-09-11T00:00:00.000Z\", \"assignerOrgId\": \"53f830b8-0a3f-465b-8143-3b8a9948e749\", \"datePublished\": \"2019-01-11T21:00:00.000Z\", \"assignerShortName\": \"redhat\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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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.