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.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-06-09 15:51 UTC
CWE
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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              "product": "systemd",
              "vendor": "The systemd Project",
              "versions": [
                {
                  "status": "affected",
                  "version": "through v240"
                }
              ]
            }
          ],
          "datePublic": "2019-01-09T00:00:00.000Z",
          "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."
            }
          ],
          "metrics": [
            {
              "cvssV3_0": {
                "attackComplexity": "HIGH",
                "attackVector": "NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 7.5,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
                "version": "3.0"
              }
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-770",
                  "description": "CWE-770",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2021-07-20T14:06:07.000Z",
            "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
            "shortName": "redhat"
          },
          "references": [
            {
              "name": "RHSA-2019:0342",
              "tags": [
                "vendor-advisory",
                "x_refsource_REDHAT"
              ],
              "url": "https://access.redhat.com/errata/RHSA-2019:0342"
            },
            {
              "name": "[debian-lts-announce] 20190123 [SECURITY] [DLA 1639-1] systemd security update",
              "tags": [
                "mailing-list",
                "x_refsource_MLIST"
              ],
              "url": "https://lists.debian.org/debian-lts-announce/2019/01/msg00016.html"
            },
            {
              "name": "106525",
              "tags": [
                "vdb-entry",
                "x_refsource_BID"
              ],
              "url": "http://www.securityfocus.com/bid/106525"
            },
            {
              "name": "DSA-4367",
              "tags": [
                "vendor-advisory",
                "x_refsource_DEBIAN"
              ],
              "url": "https://www.debian.org/security/2019/dsa-4367"
            },
            {
              "name": "RHSA-2019:0204",
              "tags": [
                "vendor-advisory",
                "x_refsource_REDHAT"
              ],
              "url": "https://access.redhat.com/errata/RHSA-2019:0204"
            },
            {
              "tags": [
                "x_refsource_CONFIRM"
              ],
              "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16865"
            },
            {
              "tags": [
                "x_refsource_CONFIRM"
              ],
              "url": "https://security.netapp.com/advisory/ntap-20190117-0001/"
            },
            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://www.qualys.com/2019/01/09/system-down/system-down.txt"
            },
            {
              "name": "USN-3855-1",
              "tags": [
                "vendor-advisory",
                "x_refsource_UBUNTU"
              ],
              "url": "https://usn.ubuntu.com/3855-1/"
            },
            {
              "name": "RHSA-2019:0049",
              "tags": [
                "vendor-advisory",
                "x_refsource_REDHAT"
              ],
              "url": "https://access.redhat.com/errata/RHSA-2019:0049"
            },
            {
              "name": "RHSA-2019:0271",
              "tags": [
                "vendor-advisory",
                "x_refsource_REDHAT"
              ],
              "url": "https://access.redhat.com/errata/RHSA-2019:0271"
            },
            {
              "name": "RHSA-2019:0361",
              "tags": [
                "vendor-advisory",
                "x_refsource_REDHAT"
              ],
              "url": "https://access.redhat.com/errata/RHSA-2019:0361"
            },
            {
              "name": "GLSA-201903-07",
              "tags": [
                "vendor-advisory",
                "x_refsource_GENTOO"
              ],
              "url": "https://security.gentoo.org/glsa/201903-07"
            },
            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html"
            },
            {
              "name": "RHBA-2019:0327",
              "tags": [
                "vendor-advisory",
                "x_refsource_REDHAT"
              ],
              "url": "https://access.redhat.com/errata/RHBA-2019:0327"
            },
            {
              "name": "[oss-security] 20190510 Re: System Down: A systemd-journald exploit",
              "tags": [
                "mailing-list",
                "x_refsource_MLIST"
              ],
              "url": "http://www.openwall.com/lists/oss-security/2019/05/10/4"
            },
            {
              "name": "20190513 Re: System Down: A systemd-journald exploit",
              "tags": [
                "mailing-list",
                "x_refsource_BUGTRAQ"
              ],
              "url": "https://seclists.org/bugtraq/2019/May/25"
            },
            {
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "http://packetstormsecurity.com/files/152841/System-Down-A-systemd-journald-Exploit.html"
            },
            {
              "name": "20190513 Re: System Down: A systemd-journald exploit",
              "tags": [
                "mailing-list",
                "x_refsource_FULLDISC"
              ],
              "url": "http://seclists.org/fulldisclosure/2019/May/21"
            },
            {
              "name": "RHSA-2019:2402",
              "tags": [
                "vendor-advisory",
                "x_refsource_REDHAT"
              ],
              "url": "https://access.redhat.com/errata/RHSA-2019:2402"
            },
            {
              "name": "[oss-security] 20210720 CVE-2021-33910: Denial of service (stack exhaustion) in systemd (PID 1)",
              "tags": [
                "mailing-list",
                "x_refsource_MLIST"
              ],
              "url": "http://www.openwall.com/lists/oss-security/2021/07/20/2"
            }
          ]
        }
      },
      "cveMetadata": {
        "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "assignerShortName": "redhat",
        "cveId": "CVE-2018-16865",
        "datePublished": "2019-01-11T21:00:00.000Z",
        "dateReserved": "2018-09-11T00:00:00.000Z",
        "dateUpdated": "2025-06-09T15:51:35.108Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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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.

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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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