gsd-2020-13529
Vulnerability from gsd
Modified
2023-12-13 01:21
Details
An exploitable denial-of-service vulnerability exists in Systemd 245. A specially crafted DHCP FORCERENEW packet can cause a server running the DHCP client to be vulnerable to a DHCP ACK spoofing attack. An attacker can forge a pair of FORCERENEW and DCHP ACK packets to reconfigure the server.
Aliases
Aliases
CVE-2020-13529


To clipboard 

{
  "GSD": {
    "alias": "CVE-2020-13529",
    "description": "An exploitable denial-of-service vulnerability exists in Systemd 245. A specially crafted DHCP FORCERENEW packet can cause a server running the DHCP client to be vulnerable to a DHCP ACK spoofing attack. An attacker can forge a pair of FORCERENEW and DCHP ACK packets to reconfigure the server.",
    "id": "GSD-2020-13529",
    "references": [
      "https://www.suse.com/security/cve/CVE-2020-13529.html",
      "https://access.redhat.com/errata/RHSA-2021:4361",
      "https://ubuntu.com/security/CVE-2020-13529",
      "https://advisories.mageia.org/CVE-2020-13529.html",
      "https://security.archlinux.org/CVE-2020-13529",
      "https://linux.oracle.com/cve/CVE-2020-13529.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2020-13529"
      ],
      "details": "An exploitable denial-of-service vulnerability exists in Systemd 245. A specially crafted DHCP FORCERENEW packet can cause a server running the DHCP client to be vulnerable to a DHCP ACK spoofing attack. An attacker can forge a pair of FORCERENEW and DCHP ACK packets to reconfigure the server.",
      "id": "GSD-2020-13529",
      "modified": "2023-12-13T01:21:47.466230Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "talos-cna@cisco.com",
        "ID": "CVE-2020-13529",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Systemd",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "Canonical Ubuntu 20.04 LTS, Systemd 245"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "n/a"
            }
          ]
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          }
        ]
      },
      "impact": {
        "cvss": {
          "baseScore": 6.1,
          "baseSeverity": "Medium",
          "vectorString": "CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H",
          "version": "3.0"
        }
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "CWE-290: Authentication Bypass by Spoofing"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://talosintelligence.com/vulnerability_reports/TALOS-2020-1142",
            "refsource": "MISC",
            "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2020-1142"
          },
          {
            "name": "GLSA-202107-48",
            "refsource": "GENTOO",
            "url": "https://security.gentoo.org/glsa/202107-48"
          },
          {
            "name": "FEDORA-2021-166e461c8d",
            "refsource": "FEDORA",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/42TMJVNYRY65B4QCJICBYOEIVZV3KUYI/"
          },
          {
            "name": "[oss-security] 20210804 Re: Pop!_OS Membership to linux-distros list",
            "refsource": "MLIST",
            "url": "http://www.openwall.com/lists/oss-security/2021/08/04/2"
          },
          {
            "name": "[oss-security] 20210817 Re: Pop!_OS Membership to linux-distros list",
            "refsource": "MLIST",
            "url": "http://www.openwall.com/lists/oss-security/2021/08/17/3"
          },
          {
            "name": "[oss-security] 20210907 Re: Pop!_OS Membership to linux-distros list",
            "refsource": "MLIST",
            "url": "http://www.openwall.com/lists/oss-security/2021/09/07/3"
          },
          {
            "name": "https://security.netapp.com/advisory/ntap-20210625-0005/",
            "refsource": "CONFIRM",
            "url": "https://security.netapp.com/advisory/ntap-20210625-0005/"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:systemd_project:systemd:245:-:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*",
                "cpe_name": [],
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              }
            ],
            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vsphere:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "talos-cna@cisco.com",
          "ID": "CVE-2020-13529"
        },
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        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
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              "value": "An exploitable denial-of-service vulnerability exists in Systemd 245. A specially crafted DHCP FORCERENEW packet can cause a server running the DHCP client to be vulnerable to a DHCP ACK spoofing attack. An attacker can forge a pair of FORCERENEW and DCHP ACK packets to reconfigure the server."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-290"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://talosintelligence.com/vulnerability_reports/TALOS-2020-1142",
              "refsource": "MISC",
              "tags": [
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              ],
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            },
            {
              "name": "https://security.netapp.com/advisory/ntap-20210625-0005/",
              "refsource": "CONFIRM",
              "tags": [
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              "url": "https://security.netapp.com/advisory/ntap-20210625-0005/"
            },
            {
              "name": "GLSA-202107-48",
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              "url": "https://security.gentoo.org/glsa/202107-48"
            },
            {
              "name": "FEDORA-2021-166e461c8d",
              "refsource": "FEDORA",
              "tags": [
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              ],
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/42TMJVNYRY65B4QCJICBYOEIVZV3KUYI/"
            },
            {
              "name": "[oss-security] 20210804 Re: Pop!_OS Membership to linux-distros list",
              "refsource": "MLIST",
              "tags": [
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              "url": "http://www.openwall.com/lists/oss-security/2021/08/04/2"
            },
            {
              "name": "[oss-security] 20210817 Re: Pop!_OS Membership to linux-distros list",
              "refsource": "MLIST",
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              "url": "http://www.openwall.com/lists/oss-security/2021/08/17/3"
            },
            {
              "name": "[oss-security] 20210907 Re: Pop!_OS Membership to linux-distros list",
              "refsource": "MLIST",
              "tags": [
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              ],
              "url": "http://www.openwall.com/lists/oss-security/2021/09/07/3"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "MEDIUM",
            "accessVector": "ADJACENT_NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 2.9,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:A/AC:M/Au:N/C:N/I:N/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 5.5,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "LOW",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "HIGH",
            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 6.1,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 1.6,
          "impactScore": 4.0
        }
      },
      "lastModifiedDate": "2022-10-07T02:59Z",
      "publishedDate": "2021-05-10T16:15Z"
    }
  }
}


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