fkie_cve-2019-6454
Vulnerability from fkie_nvd
Published
2019-03-21 16:01
Modified
2024-11-21 04:46
Summary
An issue was discovered in sd-bus in systemd 239. bus_process_object() in libsystemd/sd-bus/bus-objects.c allocates a variable-length stack buffer for temporarily storing the object path of incoming D-Bus messages. An unprivileged local user can exploit this by sending a specially crafted message to PID1, causing the stack pointer to jump over the stack guard pages into an unmapped memory region and trigger a denial of service (systemd PID1 crash and kernel panic).
References
cve@mitre.orghttp://lists.opensuse.org/opensuse-security-announce/2019-02/msg00070.htmlThird Party Advisory
cve@mitre.orghttp://lists.opensuse.org/opensuse-security-announce/2019-05/msg00062.htmlMailing List, Third Party Advisory
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2019/02/18/3Mailing List, Patch, Third Party Advisory
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2019/02/19/1Mailing List, Third Party Advisory
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2021/07/20/2Exploit, Mailing List, Third Party Advisory
cve@mitre.orghttp://www.securityfocus.com/bid/107081Third Party Advisory, VDB Entry
cve@mitre.orghttps://access.redhat.com/errata/RHSA-2019:0368Third Party Advisory
cve@mitre.orghttps://access.redhat.com/errata/RHSA-2019:0990Third Party Advisory
cve@mitre.orghttps://access.redhat.com/errata/RHSA-2019:1322Third Party Advisory
cve@mitre.orghttps://access.redhat.com/errata/RHSA-2019:1502Third Party Advisory
cve@mitre.orghttps://access.redhat.com/errata/RHSA-2019:2805Third Party Advisory
cve@mitre.orghttps://github.com/systemd/systemd/commits/master/src/libsystemd/sd-bus/bus-objects.cPatch, Third Party Advisory
cve@mitre.orghttps://kc.mcafee.com/corporate/index?page=content&id=SB10278Patch, Third Party Advisory
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2019/02/msg00031.htmlMailing List, Third Party Advisory
cve@mitre.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N67IOBOTDOMVNQJ5QRU2MXLEECXPGNVJ/
cve@mitre.orghttps://security.netapp.com/advisory/ntap-20190327-0004/Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/3891-1/Third Party Advisory
cve@mitre.orghttps://www.debian.org/security/2019/dsa-4393Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00070.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00062.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2019/02/18/3Mailing List, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2019/02/19/1Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2021/07/20/2Exploit, Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/107081Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2019:0368Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2019:0990Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2019:1322Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2019:1502Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2019:2805Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/systemd/systemd/commits/master/src/libsystemd/sd-bus/bus-objects.cPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://kc.mcafee.com/corporate/index?page=content&id=SB10278Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2019/02/msg00031.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N67IOBOTDOMVNQJ5QRU2MXLEECXPGNVJ/
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20190327-0004/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3891-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2019/dsa-4393Third Party Advisory
Impacted products
Vendor Product Version
systemd_project systemd 239
opensuse leap 15.0
netapp active_iq_performance_analytics_services -
debian debian_linux 8.0
debian debian_linux 9.0
fedoraproject fedora 29
canonical ubuntu_linux 16.04
canonical ubuntu_linux 18.04
canonical ubuntu_linux 18.10
redhat enterprise_linux 8.0
redhat enterprise_linux_compute_node_eus 7.5
redhat enterprise_linux_desktop 7.0
redhat enterprise_linux_eus 7.4
redhat enterprise_linux_eus 7.5
redhat enterprise_linux_eus 8.1
redhat enterprise_linux_eus 8.2
redhat enterprise_linux_eus 8.4
redhat enterprise_linux_for_ibm_z_systems_eus 7.4
redhat enterprise_linux_for_ibm_z_systems_eus 7.5
redhat enterprise_linux_for_ibm_z_systems_eus 8.1
redhat enterprise_linux_for_ibm_z_systems_eus 8.2
redhat enterprise_linux_for_ibm_z_systems_eus 8.4
redhat enterprise_linux_for_power_big_endian_eus 7.4
redhat enterprise_linux_for_power_little_endian 8.0
redhat enterprise_linux_for_power_little_endian_eus 7.4
redhat enterprise_linux_for_power_little_endian_eus 7.5
redhat enterprise_linux_for_power_little_endian_eus 8.1
redhat enterprise_linux_for_power_little_endian_eus 8.2
redhat enterprise_linux_for_power_little_endian_eus 8.4
redhat enterprise_linux_server 7.0
redhat enterprise_linux_server_aus 7.3
redhat enterprise_linux_server_aus 7.4
redhat enterprise_linux_server_aus 7.6
redhat enterprise_linux_server_aus 8.2
redhat enterprise_linux_server_aus 8.4
redhat enterprise_linux_server_eus 7.6
redhat enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions 7.3
redhat enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions 7.4
redhat enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions 8.0
redhat enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions 8.1
redhat enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions 8.2
redhat enterprise_linux_server_tus 7.3
redhat enterprise_linux_server_tus 7.4
redhat enterprise_linux_server_tus 7.6
redhat enterprise_linux_server_tus 8.2
redhat enterprise_linux_server_tus 8.4
redhat enterprise_linux_server_update_services_for_sap_solutions 7.3
redhat enterprise_linux_server_update_services_for_sap_solutions 7.4
redhat enterprise_linux_server_update_services_for_sap_solutions 8.0
redhat enterprise_linux_server_update_services_for_sap_solutions 8.1
redhat enterprise_linux_server_update_services_for_sap_solutions 8.2
redhat enterprise_linux_workstation 7.0
mcafee web_gateway *
mcafee web_gateway *
mcafee web_gateway *



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              "criteria": "cpe:2.3:a:mcafee:web_gateway:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "E0BD6333-F674-4A2D-9E63-6177FC0F85FA",
              "versionEndExcluding": "7.7.2.21",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:mcafee:web_gateway:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "43FAD524-3E83-482B-8F74-6014BC52F46B",
              "versionEndExcluding": "7.8.2.8",
              "versionStartIncluding": "7.8.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:mcafee:web_gateway:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "9D943214-14D8-47BC-BCF4-76B78EE95028",
              "versionEndExcluding": "8.1.1",
              "versionStartIncluding": "8.0.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered in sd-bus in systemd 239. bus_process_object() in libsystemd/sd-bus/bus-objects.c allocates a variable-length stack buffer for temporarily storing the object path of incoming D-Bus messages. An unprivileged local user can exploit this by sending a specially crafted message to PID1, causing the stack pointer to jump over the stack guard pages into an unmapped memory region and trigger a denial of service (systemd PID1 crash and kernel panic)."
    },
    {
      "lang": "es",
      "value": "Se ha descubierto un problema en sd-bus en systemd 239. bus_process_object() en libsystemd/sd-bus/bus-objects.c asigna un b\u00fafer de pila de longitud variable para almacenar temporalmente la ruta de objeto de los mensajes D-Bus entrantes. Un usuario local sin privilegios puede explotar esto enviando un mensaje especialmente manipulado a PID1, provocando que el puntero de la pila salte por las p\u00e1ginas guard de la pila hasta una regi\u00f3n de memoria no mapeada y desencadene una denegaci\u00f3n de servicio (cierre inesperado del PID1 en systemd y p\u00e1nico del kernel)."
    }
  ],
  "id": "CVE-2019-6454",
  "lastModified": "2024-11-21T04:46:28.867",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 4.9,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 6.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2019-03-21T16:01:08.203",
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    {
      "source": "cve@mitre.org",
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    {
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    },
    {
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    },
    {
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    {
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      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N67IOBOTDOMVNQJ5QRU2MXLEECXPGNVJ/"
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    {
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    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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