CVE-2018-15686 (GCVE-0-2018-15686)

Vulnerability from cvelistv5 – Published: 2018-10-26 14:00 – Updated: 2025-06-09 15:50
VLAI
Title
systemd: reexec state injection: fgets() on overlong lines leads to line splitting
Summary
A vulnerability in unit_deserialize of systemd allows an attacker to supply arbitrary state across systemd re-execution via NotifyAccess. This can be used to improperly influence systemd execution and possibly lead to root privilege escalation. Affected releases are systemd versions up to and including 239.
Severity
7 (High)
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • fgets() can be confused by overly-long input strings. The first read will return a partial string and subsequent reads will begin as if it were a new line.
  • CWE-502 - Deserialization of Untrusted Data
Assigner
References
URL Tags
https://security.gentoo.org/glsa/201810-10 vendor-advisoryx_refsource_GENTOO
https://lists.debian.org/debian-lts-announce/2018… mailing-listx_refsource_MLIST
http://www.securityfocus.com/bid/105747 vdb-entryx_refsource_BID
https://www.exploit-db.com/exploits/45714/ exploitx_refsource_EXPLOIT-DB
https://usn.ubuntu.com/3816-1/ vendor-advisoryx_refsource_UBUNTU
https://access.redhat.com/errata/RHSA-2019:2091 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2019:3222 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2020:0593 vendor-advisoryx_refsource_REDHAT
https://lists.apache.org/thread.html/r1b103833cb5… mailing-listx_refsource_MLIST
https://www.oracle.com//security-alerts/cpujul2021.html x_refsource_MISC
https://github.com/systemd/systemd/pull/10519 x_refsource_MISC
Impacted products
Vendor Product Version
systemd systemd Affected: unspecified , ≤ 239 (custom)
Create a notification for this product.
Date Public
2018-10-25 00:00
Credits
Jann Horn
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T10:01:54.314Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "GLSA-201810-10",
            "tags": [
              "vendor-advisory",
              "x_refsource_GENTOO",
              "x_transferred"
            ],
            "url": "https://security.gentoo.org/glsa/201810-10"
          },
          {
            "name": "[debian-lts-announce] 20181119 [SECURITY] [DLA 1580-1] systemd security update",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2018/11/msg00017.html"
          },
          {
            "name": "105747",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/105747"
          },
          {
            "name": "45714",
            "tags": [
              "exploit",
              "x_refsource_EXPLOIT-DB",
              "x_transferred"
            ],
            "url": "https://www.exploit-db.com/exploits/45714/"
          },
          {
            "name": "USN-3816-1",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "https://usn.ubuntu.com/3816-1/"
          },
          {
            "name": "RHSA-2019:2091",
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT",
              "x_transferred"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2019:2091"
          },
          {
            "name": "RHSA-2019:3222",
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT",
              "x_transferred"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2019:3222"
          },
          {
            "name": "RHSA-2020:0593",
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT",
              "x_transferred"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2020:0593"
          },
          {
            "name": "[bookkeeper-issues] 20200729 [GitHub] [bookkeeper] padma81 opened a new issue #2387: Security vulnerabilities in the apache/bookkeeper-4.9.2 image",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.apache.org/thread.html/r1b103833cb5bc8466e24ff0ecc5e75b45a705334ab6a444e64e840a0%40%3Cissues.bookkeeper.apache.org%3E"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.oracle.com//security-alerts/cpujul2021.html"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/systemd/systemd/pull/10519"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2018-15686",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-06-09T15:50:23.789109Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-502",
                "description": "CWE-502 Deserialization of Untrusted Data",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-06-09T15:50:48.760Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "systemd",
          "vendor": "systemd",
          "versions": [
            {
              "lessThanOrEqual": "239",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Jann Horn"
        }
      ],
      "datePublic": "2018-10-25T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability in unit_deserialize of systemd allows an attacker to supply arbitrary state across systemd re-execution via NotifyAccess. This can be used to improperly influence systemd execution and possibly lead to root privilege escalation. Affected releases are systemd versions up to and including 239."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "fgets() can be confused by overly-long input strings. The first read will return a partial string and subsequent reads will begin as if it were a new line.",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-07-20T22:53:12.000Z",
        "orgId": "cc1ad9ee-3454-478d-9317-d3e869d708bc",
        "shortName": "canonical"
      },
      "references": [
        {
          "name": "GLSA-201810-10",
          "tags": [
            "vendor-advisory",
            "x_refsource_GENTOO"
          ],
          "url": "https://security.gentoo.org/glsa/201810-10"
        },
        {
          "name": "[debian-lts-announce] 20181119 [SECURITY] [DLA 1580-1] systemd security update",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2018/11/msg00017.html"
        },
        {
          "name": "105747",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/105747"
        },
        {
          "name": "45714",
          "tags": [
            "exploit",
            "x_refsource_EXPLOIT-DB"
          ],
          "url": "https://www.exploit-db.com/exploits/45714/"
        },
        {
          "name": "USN-3816-1",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "https://usn.ubuntu.com/3816-1/"
        },
        {
          "name": "RHSA-2019:2091",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2019:2091"
        },
        {
          "name": "RHSA-2019:3222",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2019:3222"
        },
        {
          "name": "RHSA-2020:0593",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2020:0593"
        },
        {
          "name": "[bookkeeper-issues] 20200729 [GitHub] [bookkeeper] padma81 opened a new issue #2387: Security vulnerabilities in the apache/bookkeeper-4.9.2 image",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.apache.org/thread.html/r1b103833cb5bc8466e24ff0ecc5e75b45a705334ab6a444e64e840a0%40%3Cissues.bookkeeper.apache.org%3E"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.oracle.com//security-alerts/cpujul2021.html"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/systemd/systemd/pull/10519"
        }
      ],
      "source": {
        "defect": [
          "https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1796402"
        ],
        "discovery": "EXTERNAL"
      },
      "title": "systemd: reexec state injection: fgets() on overlong lines leads to line splitting",
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security@ubuntu.com",
          "DATE_PUBLIC": "2018-10-25T00:00:00.000Z",
          "ID": "CVE-2018-15686",
          "STATE": "PUBLIC",
          "TITLE": "systemd: reexec state injection: fgets() on overlong lines leads to line splitting"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "systemd",
                      "version": {
                        "version_data": [
                          {
                            "affected": "\u003c=",
                            "version_affected": "\u003c=",
                            "version_value": "239"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "systemd"
              }
            ]
          }
        },
        "credit": [
          {
            "lang": "eng",
            "value": "Jann Horn"
          }
        ],
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "A vulnerability in unit_deserialize of systemd allows an attacker to supply arbitrary state across systemd re-execution via NotifyAccess. This can be used to improperly influence systemd execution and possibly lead to root privilege escalation. Affected releases are systemd versions up to and including 239."
            }
          ]
        },
        "impact": {
          "cvss": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.0"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "fgets() can be confused by overly-long input strings. The first read will return a partial string and subsequent reads will begin as if it were a new line."
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "GLSA-201810-10",
              "refsource": "GENTOO",
              "url": "https://security.gentoo.org/glsa/201810-10"
            },
            {
              "name": "[debian-lts-announce] 20181119 [SECURITY] [DLA 1580-1] systemd security update",
              "refsource": "MLIST",
              "url": "https://lists.debian.org/debian-lts-announce/2018/11/msg00017.html"
            },
            {
              "name": "105747",
              "refsource": "BID",
              "url": "http://www.securityfocus.com/bid/105747"
            },
            {
              "name": "45714",
              "refsource": "EXPLOIT-DB",
              "url": "https://www.exploit-db.com/exploits/45714/"
            },
            {
              "name": "USN-3816-1",
              "refsource": "UBUNTU",
              "url": "https://usn.ubuntu.com/3816-1/"
            },
            {
              "name": "RHSA-2019:2091",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2019:2091"
            },
            {
              "name": "RHSA-2019:3222",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2019:3222"
            },
            {
              "name": "RHSA-2020:0593",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2020:0593"
            },
            {
              "name": "[bookkeeper-issues] 20200729 [GitHub] [bookkeeper] padma81 opened a new issue #2387: Security vulnerabilities in the apache/bookkeeper-4.9.2 image",
              "refsource": "MLIST",
              "url": "https://lists.apache.org/thread.html/r1b103833cb5bc8466e24ff0ecc5e75b45a705334ab6a444e64e840a0@%3Cissues.bookkeeper.apache.org%3E"
            },
            {
              "name": "https://www.oracle.com//security-alerts/cpujul2021.html",
              "refsource": "MISC",
              "url": "https://www.oracle.com//security-alerts/cpujul2021.html"
            },
            {
              "name": "https://github.com/systemd/systemd/pull/10519",
              "refsource": "MISC",
              "url": "https://github.com/systemd/systemd/pull/10519"
            }
          ]
        },
        "source": {
          "defect": [
            "https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1796402"
          ],
          "discovery": "EXTERNAL"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "cc1ad9ee-3454-478d-9317-d3e869d708bc",
    "assignerShortName": "canonical",
    "cveId": "CVE-2018-15686",
    "datePublished": "2018-10-26T14:00:00.000Z",
    "dateReserved": "2018-08-22T00:00:00.000Z",
    "dateUpdated": "2025-06-09T15:50:48.760Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2018-15686",
      "date": "2026-06-02",
      "epss": "0.01533",
      "percentile": "0.8164"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2018-15686\",\"sourceIdentifier\":\"security@ubuntu.com\",\"published\":\"2018-10-26T14:29:00.613\",\"lastModified\":\"2025-06-09T16:15:28.243\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A vulnerability in unit_deserialize of systemd allows an attacker to supply arbitrary state across systemd re-execution via NotifyAccess. This can be used to improperly influence systemd execution and possibly lead to root privilege escalation. Affected releases are systemd versions up to and including 239.\"},{\"lang\":\"es\",\"value\":\"Una vulnerabilidad en unit_deserialize de systemd permite que un atacante proporcione estados arbitrarios en la reejecuci\u00f3n de systemd mediante NotifyAccess. Esto puede emplearse para influenciar incorrectamente la ejecuci\u00f3n de systemd y podr\u00eda conducir a un escalado de privilegios root. Las versiones afectadas de systemd son todas hasta la 239 incluida.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9}],\"cvssMetricV30\":[{\"source\":\"security@ubuntu.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":7.0,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.0,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:L/AC:L/Au:N/C:C/I:C/A:C\",\"baseScore\":7.2,\"accessVector\":\"LOCAL\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"COMPLETE\",\"integrityImpact\":\"COMPLETE\",\"availabilityImpact\":\"COMPLETE\"},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":3.9,\"impactScore\":10.0,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-502\"}]},{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-502\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*\",\"matchCriteriaId\":\"7A5301BF-1402-4BE0-A0F8-69FBE79BC6D6\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*\",\"matchCriteriaId\":\"23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"07C312A0-CD2C-4B9C-B064-6409B25C278F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:systemd_project:systemd:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"239\",\"matchCriteriaId\":\"6091DEBE-CF1A-4BD9-9ECC-50715D8241E2\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:oracle:communications_cloud_native_core_network_function_cloud_native_environment:1.4.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E47FBC8E-1C21-4448-8C59-4D48F08B151B\"}]}]}],\"references\":[{\"url\":\"http://www.securityfocus.com/bid/105747\",\"source\":\"security@ubuntu.com\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://access.redhat.com/errata/RHSA-2019:2091\",\"source\":\"security@ubuntu.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://access.redhat.com/errata/RHSA-2019:3222\",\"source\":\"security@ubuntu.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://access.redhat.com/errata/RHSA-2020:0593\",\"source\":\"security@ubuntu.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://github.com/systemd/systemd/pull/10519\",\"source\":\"security@ubuntu.com\",\"tags\":[\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://lists.apache.org/thread.html/r1b103833cb5bc8466e24ff0ecc5e75b45a705334ab6a444e64e840a0%40%3Cissues.bookkeeper.apache.org%3E\",\"source\":\"security@ubuntu.com\"},{\"url\":\"https://lists.debian.org/debian-lts-announce/2018/11/msg00017.html\",\"source\":\"security@ubuntu.com\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://security.gentoo.org/glsa/201810-10\",\"source\":\"security@ubuntu.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://usn.ubuntu.com/3816-1/\",\"source\":\"security@ubuntu.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.exploit-db.com/exploits/45714/\",\"source\":\"security@ubuntu.com\",\"tags\":[\"Exploit\",\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://www.oracle.com//security-alerts/cpujul2021.html\",\"source\":\"security@ubuntu.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://www.securityfocus.com/bid/105747\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://access.redhat.com/errata/RHSA-2019:2091\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://access.redhat.com/errata/RHSA-2019:3222\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://access.redhat.com/errata/RHSA-2020:0593\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://github.com/systemd/systemd/pull/10519\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://lists.apache.org/thread.html/r1b103833cb5bc8466e24ff0ecc5e75b45a705334ab6a444e64e840a0%40%3Cissues.bookkeeper.apache.org%3E\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://lists.debian.org/debian-lts-announce/2018/11/msg00017.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://security.gentoo.org/glsa/201810-10\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://usn.ubuntu.com/3816-1/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.exploit-db.com/exploits/45714/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Exploit\",\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://www.oracle.com//security-alerts/cpujul2021.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://security.gentoo.org/glsa/201810-10\", \"name\": \"GLSA-201810-10\", \"tags\": [\"vendor-advisory\", \"x_refsource_GENTOO\", \"x_transferred\"]}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2018/11/msg00017.html\", \"name\": \"[debian-lts-announce] 20181119 [SECURITY] [DLA 1580-1] systemd security update\", \"tags\": [\"mailing-list\", \"x_refsource_MLIST\", \"x_transferred\"]}, {\"url\": \"http://www.securityfocus.com/bid/105747\", \"name\": \"105747\", \"tags\": [\"vdb-entry\", \"x_refsource_BID\", \"x_transferred\"]}, {\"url\": \"https://www.exploit-db.com/exploits/45714/\", \"name\": \"45714\", \"tags\": [\"exploit\", \"x_refsource_EXPLOIT-DB\", \"x_transferred\"]}, {\"url\": \"https://usn.ubuntu.com/3816-1/\", \"name\": \"USN-3816-1\", \"tags\": [\"vendor-advisory\", \"x_refsource_UBUNTU\", \"x_transferred\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2019:2091\", \"name\": \"RHSA-2019:2091\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\", \"x_transferred\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2019:3222\", \"name\": \"RHSA-2019:3222\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\", \"x_transferred\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2020:0593\", \"name\": \"RHSA-2020:0593\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\", \"x_transferred\"]}, {\"url\": \"https://lists.apache.org/thread.html/r1b103833cb5bc8466e24ff0ecc5e75b45a705334ab6a444e64e840a0%40%3Cissues.bookkeeper.apache.org%3E\", \"name\": \"[bookkeeper-issues] 20200729 [GitHub] [bookkeeper] padma81 opened a new issue #2387: Security vulnerabilities in the apache/bookkeeper-4.9.2 image\", \"tags\": [\"mailing-list\", \"x_refsource_MLIST\", \"x_transferred\"]}, {\"url\": \"https://www.oracle.com//security-alerts/cpujul2021.html\", \"tags\": [\"x_refsource_MISC\", \"x_transferred\"]}, {\"url\": \"https://github.com/systemd/systemd/pull/10519\", \"tags\": [\"x_refsource_MISC\", \"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-05T10:01:54.314Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2018-15686\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-06-09T15:50:23.789109Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-502\", \"description\": \"CWE-502 Deserialization of Untrusted Data\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-06-09T15:50:38.562Z\"}}], \"cna\": {\"title\": \"systemd: reexec state injection: fgets() on overlong lines leads to line splitting\", \"source\": {\"defect\": [\"https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1796402\"], \"discovery\": \"EXTERNAL\"}, \"credits\": [{\"lang\": \"en\", \"value\": \"Jann Horn\"}], \"metrics\": [{\"cvssV3_0\": {\"scope\": \"UNCHANGED\", \"version\": \"3.0\", \"baseScore\": 7, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"HIGH\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"HIGH\"}}], \"affected\": [{\"vendor\": \"systemd\", \"product\": \"systemd\", \"versions\": [{\"status\": \"affected\", \"version\": \"unspecified\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"239\"}]}], \"datePublic\": \"2018-10-25T00:00:00.000Z\", \"references\": [{\"url\": \"https://security.gentoo.org/glsa/201810-10\", \"name\": \"GLSA-201810-10\", \"tags\": [\"vendor-advisory\", \"x_refsource_GENTOO\"]}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2018/11/msg00017.html\", \"name\": \"[debian-lts-announce] 20181119 [SECURITY] [DLA 1580-1] systemd security update\", \"tags\": [\"mailing-list\", \"x_refsource_MLIST\"]}, {\"url\": \"http://www.securityfocus.com/bid/105747\", \"name\": \"105747\", \"tags\": [\"vdb-entry\", \"x_refsource_BID\"]}, {\"url\": \"https://www.exploit-db.com/exploits/45714/\", \"name\": \"45714\", \"tags\": [\"exploit\", \"x_refsource_EXPLOIT-DB\"]}, {\"url\": \"https://usn.ubuntu.com/3816-1/\", \"name\": \"USN-3816-1\", \"tags\": [\"vendor-advisory\", \"x_refsource_UBUNTU\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2019:2091\", \"name\": \"RHSA-2019:2091\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2019:3222\", \"name\": \"RHSA-2019:3222\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2020:0593\", \"name\": \"RHSA-2020:0593\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://lists.apache.org/thread.html/r1b103833cb5bc8466e24ff0ecc5e75b45a705334ab6a444e64e840a0%40%3Cissues.bookkeeper.apache.org%3E\", \"name\": \"[bookkeeper-issues] 20200729 [GitHub] [bookkeeper] padma81 opened a new issue #2387: Security vulnerabilities in the apache/bookkeeper-4.9.2 image\", \"tags\": [\"mailing-list\", \"x_refsource_MLIST\"]}, {\"url\": \"https://www.oracle.com//security-alerts/cpujul2021.html\", \"tags\": [\"x_refsource_MISC\"]}, {\"url\": \"https://github.com/systemd/systemd/pull/10519\", \"tags\": [\"x_refsource_MISC\"]}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"A vulnerability in unit_deserialize of systemd allows an attacker to supply arbitrary state across systemd re-execution via NotifyAccess. This can be used to improperly influence systemd execution and possibly lead to root privilege escalation. Affected releases are systemd versions up to and including 239.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"text\", \"description\": \"fgets() can be confused by overly-long input strings. The first read will return a partial string and subsequent reads will begin as if it were a new line.\"}]}], \"providerMetadata\": {\"orgId\": \"cc1ad9ee-3454-478d-9317-d3e869d708bc\", \"shortName\": \"canonical\", \"dateUpdated\": \"2021-07-20T22:53:12.000Z\"}, \"x_legacyV4Record\": {\"credit\": [{\"lang\": \"eng\", \"value\": \"Jann Horn\"}], \"impact\": {\"cvss\": {\"scope\": \"UNCHANGED\", \"version\": \"3.0\", \"baseScore\": 7, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"HIGH\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"HIGH\"}}, \"source\": {\"defect\": [\"https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1796402\"], \"discovery\": \"EXTERNAL\"}, \"affects\": {\"vendor\": {\"vendor_data\": [{\"product\": {\"product_data\": [{\"version\": {\"version_data\": [{\"affected\": \"\u003c=\", \"version_value\": \"239\", \"version_affected\": \"\u003c=\"}]}, \"product_name\": \"systemd\"}]}, \"vendor_name\": \"systemd\"}]}}, \"data_type\": \"CVE\", \"references\": {\"reference_data\": [{\"url\": \"https://security.gentoo.org/glsa/201810-10\", \"name\": \"GLSA-201810-10\", \"refsource\": \"GENTOO\"}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2018/11/msg00017.html\", \"name\": \"[debian-lts-announce] 20181119 [SECURITY] [DLA 1580-1] systemd security update\", \"refsource\": \"MLIST\"}, {\"url\": \"http://www.securityfocus.com/bid/105747\", \"name\": \"105747\", \"refsource\": \"BID\"}, {\"url\": \"https://www.exploit-db.com/exploits/45714/\", \"name\": \"45714\", \"refsource\": \"EXPLOIT-DB\"}, {\"url\": \"https://usn.ubuntu.com/3816-1/\", \"name\": \"USN-3816-1\", \"refsource\": \"UBUNTU\"}, {\"url\": \"https://access.redhat.com/errata/RHSA-2019:2091\", \"name\": \"RHSA-2019:2091\", \"refsource\": \"REDHAT\"}, {\"url\": \"https://access.redhat.com/errata/RHSA-2019:3222\", \"name\": \"RHSA-2019:3222\", \"refsource\": \"REDHAT\"}, {\"url\": \"https://access.redhat.com/errata/RHSA-2020:0593\", \"name\": \"RHSA-2020:0593\", \"refsource\": \"REDHAT\"}, {\"url\": \"https://lists.apache.org/thread.html/r1b103833cb5bc8466e24ff0ecc5e75b45a705334ab6a444e64e840a0@%3Cissues.bookkeeper.apache.org%3E\", \"name\": \"[bookkeeper-issues] 20200729 [GitHub] [bookkeeper] padma81 opened a new issue #2387: Security vulnerabilities in the apache/bookkeeper-4.9.2 image\", \"refsource\": \"MLIST\"}, {\"url\": \"https://www.oracle.com//security-alerts/cpujul2021.html\", \"name\": \"https://www.oracle.com//security-alerts/cpujul2021.html\", \"refsource\": \"MISC\"}, {\"url\": \"https://github.com/systemd/systemd/pull/10519\", \"name\": \"https://github.com/systemd/systemd/pull/10519\", \"refsource\": \"MISC\"}]}, \"data_format\": \"MITRE\", \"description\": {\"description_data\": [{\"lang\": \"eng\", \"value\": \"A vulnerability in unit_deserialize of systemd allows an attacker to supply arbitrary state across systemd re-execution via NotifyAccess. This can be used to improperly influence systemd execution and possibly lead to root privilege escalation. Affected releases are systemd versions up to and including 239.\"}]}, \"problemtype\": {\"problemtype_data\": [{\"description\": [{\"lang\": \"eng\", \"value\": \"fgets() can be confused by overly-long input strings. The first read will return a partial string and subsequent reads will begin as if it were a new line.\"}]}]}, \"data_version\": \"4.0\", \"CVE_data_meta\": {\"ID\": \"CVE-2018-15686\", \"STATE\": \"PUBLIC\", \"TITLE\": \"systemd: reexec state injection: fgets() on overlong lines leads to line splitting\", \"ASSIGNER\": \"security@ubuntu.com\", \"DATE_PUBLIC\": \"2018-10-25T00:00:00.000Z\"}}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2018-15686\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-06-09T15:50:48.760Z\", \"dateReserved\": \"2018-08-22T00:00:00.000Z\", \"assignerOrgId\": \"cc1ad9ee-3454-478d-9317-d3e869d708bc\", \"datePublished\": \"2018-10-26T14:00:00.000Z\", \"assignerShortName\": \"canonical\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


Log in or create an account to share your comment.




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.