fkie_cve-2020-1472
Vulnerability from fkie_nvd
Published
2020-08-17 19:15
Modified
2025-03-07 15:52
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
10.0 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Summary
An elevation of privilege vulnerability exists when an attacker establishes a vulnerable Netlogon secure channel connection to a domain controller, using the Netlogon Remote Protocol (MS-NRPC). An attacker who successfully exploited the vulnerability could run a specially crafted application on a device on the network. To exploit the vulnerability, an unauthenticated attacker would be required to use MS-NRPC to connect to a domain controller to obtain domain administrator access. Microsoft is addressing the vulnerability in a phased two-part rollout. These updates address the vulnerability by modifying how Netlogon handles the usage of Netlogon secure channels. For guidelines on how to manage the changes required for this vulnerability and more information on the phased rollout, see How to manage the changes in Netlogon secure channel connections associated with CVE-2020-1472 (updated September 28, 2020). When the second phase of Windows updates become available in Q1 2021, customers will be notified via a revision to this security vulnerability. If you wish to be notified when these updates are released, we recommend that you register for the security notifications mailer to be alerted of content changes to this advisory. See Microsoft Technical Security Notifications.
References
secure@microsoft.comhttp://lists.opensuse.org/opensuse-security-announce/2020-09/msg00080.htmlMailing List, Third Party Advisory
secure@microsoft.comhttp://lists.opensuse.org/opensuse-security-announce/2020-09/msg00086.htmlMailing List, Third Party Advisory
secure@microsoft.comhttp://packetstormsecurity.com/files/159190/Zerologon-Proof-Of-Concept.htmlThird Party Advisory, VDB Entry
secure@microsoft.comhttp://packetstormsecurity.com/files/160127/Zerologon-Netlogon-Privilege-Escalation.htmlExploit, Third Party Advisory, VDB Entry
secure@microsoft.comhttp://www.openwall.com/lists/oss-security/2020/09/17/2Mailing List, Third Party Advisory
secure@microsoft.comhttps://lists.debian.org/debian-lts-announce/2020/11/msg00041.htmlMailing List, Third Party Advisory
secure@microsoft.comhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H4OTFBL6YDVFH2TBJFJIE4FMHPJEEJK3/Mailing List, Third Party Advisory
secure@microsoft.comhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ST6X3A2XXYMGD4INR26DQ4FP4QSM753B/Mailing List, Third Party Advisory
secure@microsoft.comhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TAPQQZZAT4TG3XVRTAFV2Y3S7OAHFBUP/Mailing List, Third Party Advisory
secure@microsoft.comhttps://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1472Patch, Vendor Advisory
secure@microsoft.comhttps://security.gentoo.org/glsa/202012-24Third Party Advisory
secure@microsoft.comhttps://usn.ubuntu.com/4510-1/Third Party Advisory
secure@microsoft.comhttps://usn.ubuntu.com/4510-2/Third Party Advisory
secure@microsoft.comhttps://usn.ubuntu.com/4559-1/Third Party Advisory
secure@microsoft.comhttps://www.kb.cert.org/vuls/id/490028Third Party Advisory, US Government Resource
secure@microsoft.comhttps://www.oracle.com/security-alerts/cpuApr2021.htmlPatch, Third Party Advisory
secure@microsoft.comhttps://www.synology.com/security/advisory/Synology_SA_20_21Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00080.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00086.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/159190/Zerologon-Proof-Of-Concept.htmlThird Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/160127/Zerologon-Netlogon-Privilege-Escalation.htmlExploit, Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2020/09/17/2Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2020/11/msg00041.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H4OTFBL6YDVFH2TBJFJIE4FMHPJEEJK3/Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ST6X3A2XXYMGD4INR26DQ4FP4QSM753B/Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TAPQQZZAT4TG3XVRTAFV2Y3S7OAHFBUP/Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1472Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/202012-24Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/4510-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/4510-2/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/4559-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.kb.cert.org/vuls/id/490028Third Party Advisory, US Government Resource
af854a3a-2127-422b-91ae-364da2661108https://www.oracle.com/security-alerts/cpuApr2021.htmlPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.synology.com/security/advisory/Synology_SA_20_21Third Party Advisory
Impacted products
Vendor Product Version
microsoft windows_server_1903 *
microsoft windows_server_1909 *
microsoft windows_server_2004 -
microsoft windows_server_2008 r2
microsoft windows_server_2012 -
microsoft windows_server_2012 r2
microsoft windows_server_2016 -
microsoft windows_server_2019 -
microsoft windows_server_20h2 -
fedoraproject fedora 31
fedoraproject fedora 32
fedoraproject fedora 33
opensuse leap 15.1
opensuse leap 15.2
canonical ubuntu_linux 14.04
canonical ubuntu_linux 16.04
canonical ubuntu_linux 16.04
canonical ubuntu_linux 18.04
canonical ubuntu_linux 20.04
synology directory_server *
samba samba *
samba samba *
samba samba *
debian debian_linux 9.0
oracle zfs_storage_appliance_kit 8.8


To clipboard 

{
   cisaActionDue: "2020-09-21",
   cisaExploitAdd: "2021-11-03",
   cisaRequiredAction: "Apply updates per vendor instructions.",
   cisaVulnerabilityName: "Microsoft Netlogon Privilege Escalation Vulnerability",
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   cveTags: [],
   descriptions: [
      {
         lang: "en",
         value: "An elevation of privilege vulnerability exists when an attacker establishes a vulnerable Netlogon secure channel connection to a domain controller, using the Netlogon Remote Protocol (MS-NRPC). An attacker who successfully exploited the vulnerability could run a specially crafted application on a device on the network.\nTo exploit the vulnerability, an unauthenticated attacker would be required to use MS-NRPC to connect to a domain controller to obtain domain administrator access.\nMicrosoft is addressing the vulnerability in a phased two-part rollout. These updates address the vulnerability by modifying how Netlogon handles the usage of Netlogon secure channels.\nFor guidelines on how to manage the changes required for this vulnerability and more information on the phased rollout, see  How to manage the changes in Netlogon secure channel connections associated with CVE-2020-1472 (updated September 28, 2020).\nWhen the second phase of Windows updates become available in Q1 2021, customers will be notified via a revision to this security vulnerability. If you wish to be notified when these updates are released, we recommend that you register for the security notifications mailer to be alerted of content changes to this advisory. See Microsoft Technical Security Notifications.\n",
      },
      {
         lang: "es",
         value: "Se presenta una vulnerabilidad de elevación de privilegios cuando un atacante establece una conexión de canal seguro Netlogon vulnerable hacia un controlador de dominio, usando el Netlogon Remote Protocol (MS-NRPC), también se conoce como \"Netlogon Elevation of Privilege Vulnerability\".",
      },
   ],
   id: "CVE-2020-1472",
   lastModified: "2025-03-07T15:52:30.803",
   metrics: {
      cvssMetricV2: [
         {
            acInsufInfo: false,
            baseSeverity: "HIGH",
            cvssData: {
               accessComplexity: "MEDIUM",
               accessVector: "NETWORK",
               authentication: "NONE",
               availabilityImpact: "COMPLETE",
               baseScore: 9.3,
               confidentialityImpact: "COMPLETE",
               integrityImpact: "COMPLETE",
               vectorString: "AV:N/AC:M/Au:N/C:C/I:C/A:C",
               version: "2.0",
            },
            exploitabilityScore: 8.6,
            impactScore: 10,
            obtainAllPrivilege: false,
            obtainOtherPrivilege: false,
            obtainUserPrivilege: false,
            source: "nvd@nist.gov",
            type: "Primary",
            userInteractionRequired: false,
         },
      ],
      cvssMetricV31: [
         {
            cvssData: {
               attackComplexity: "LOW",
               attackVector: "LOCAL",
               availabilityImpact: "NONE",
               baseScore: 5.5,
               baseSeverity: "MEDIUM",
               confidentialityImpact: "HIGH",
               integrityImpact: "NONE",
               privilegesRequired: "LOW",
               scope: "UNCHANGED",
               userInteraction: "NONE",
               vectorString: "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
               version: "3.1",
            },
            exploitabilityScore: 1.8,
            impactScore: 3.6,
            source: "secure@microsoft.com",
            type: "Secondary",
         },
         {
            cvssData: {
               attackComplexity: "LOW",
               attackVector: "NETWORK",
               availabilityImpact: "HIGH",
               baseScore: 10,
               baseSeverity: "CRITICAL",
               confidentialityImpact: "HIGH",
               integrityImpact: "HIGH",
               privilegesRequired: "NONE",
               scope: "CHANGED",
               userInteraction: "NONE",
               vectorString: "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
               version: "3.1",
            },
            exploitabilityScore: 3.9,
            impactScore: 6,
            source: "nvd@nist.gov",
            type: "Secondary",
         },
      ],
   },
   published: "2020-08-17T19:15:15.117",
   references: [
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         tags: [
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            "Third Party Advisory",
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      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Mailing List",
            "Third Party Advisory",
         ],
         url: "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H4OTFBL6YDVFH2TBJFJIE4FMHPJEEJK3/",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Mailing List",
            "Third Party Advisory",
         ],
         url: "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ST6X3A2XXYMGD4INR26DQ4FP4QSM753B/",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Mailing List",
            "Third Party Advisory",
         ],
         url: "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TAPQQZZAT4TG3XVRTAFV2Y3S7OAHFBUP/",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Patch",
            "Vendor Advisory",
         ],
         url: "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1472",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Third Party Advisory",
         ],
         url: "https://security.gentoo.org/glsa/202012-24",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Third Party Advisory",
         ],
         url: "https://usn.ubuntu.com/4510-1/",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Third Party Advisory",
         ],
         url: "https://usn.ubuntu.com/4510-2/",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Third Party Advisory",
         ],
         url: "https://usn.ubuntu.com/4559-1/",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Third Party Advisory",
            "US Government Resource",
         ],
         url: "https://www.kb.cert.org/vuls/id/490028",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Patch",
            "Third Party Advisory",
         ],
         url: "https://www.oracle.com/security-alerts/cpuApr2021.html",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Third Party Advisory",
         ],
         url: "https://www.synology.com/security/advisory/Synology_SA_20_21",
      },
   ],
   sourceIdentifier: "secure@microsoft.com",
   vulnStatus: "Analyzed",
   weaknesses: [
      {
         description: [
            {
               lang: "en",
               value: "NVD-CWE-noinfo",
            },
         ],
         source: "nvd@nist.gov",
         type: "Primary",
      },
   ],
}


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Security Advisory comment format.

This schema specifies the format of a comment related to a security advisory.

UUIDv4 of the comment
UUIDv4 of the Vulnerability-Lookup instance
When the comment was created originally
When the comment was last updated
Title of the comment
Description of the comment
The identifier of the vulnerability (CVE ID, GHSA-ID, PYSEC ID, etc.).



Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.