gsd-2021-28497
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
In Arista's MOS (Metamako Operating System) software which is supported on the 7130 product line, under certain conditions, the bash shell might be accessible to unprivileged users in situations where they should not have access. This issue affects: Arista Metamako Operating System All releases in the MOS-0.1x train MOS-0.26.6 and below releases in the MOS-0.2x train MOS-0.31.1 and below releases in the MOS-0.3x train
Aliases
Aliases
CVE-2021-28497


To clipboard 

{
  "GSD": {
    "alias": "CVE-2021-28497",
    "description": "In Arista\u0027s MOS (Metamako Operating System) software which is supported on the 7130 product line, under certain conditions, the bash shell might be accessible to unprivileged users in situations where they should not have access. This issue affects: Arista Metamako Operating System All releases in the MOS-0.1x train MOS-0.26.6 and below releases in the MOS-0.2x train MOS-0.31.1 and below releases in the MOS-0.3x train",
    "id": "GSD-2021-28497"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-28497"
      ],
      "details": "In Arista\u0027s MOS (Metamako Operating System) software which is supported on the 7130 product line, under certain conditions, the bash shell might be accessible to unprivileged users in situations where they should not have access. This issue affects: Arista Metamako Operating System All releases in the MOS-0.1x train MOS-0.26.6 and below releases in the MOS-0.2x train MOS-0.31.1 and below releases in the MOS-0.3x train",
      "id": "GSD-2021-28497",
      "modified": "2023-12-13T01:23:28.945883Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "psirt@arista.com",
        "ID": "CVE-2021-28497",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Metamako Operating System",
                    "version": {
                      "version_data": [
                        {
                          "platform": "Arista 7130 Systems running MOS",
                          "version_affected": "\u003c",
                          "version_name": "MOS-0.26.7",
                          "version_value": "MOS-0.16.7"
                        },
                        {
                          "platform": "Arista 7130 Systems running MOS",
                          "version_affected": "\u003c",
                          "version_name": "MOS-0.32.0",
                          "version_value": "MOS-0.32.0"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "Arista"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "In Arista\u0027s MOS (Metamako Operating System) software which is supported on the 7130 product line, under certain conditions, the bash shell might be accessible to unprivileged users in situations where they should not have access. This issue affects: Arista Metamako Operating System All releases in the MOS-0.1x train MOS-0.26.6 and below releases in the MOS-0.2x train MOS-0.31.1 and below releases in the MOS-0.3x train"
          }
        ]
      },
      "generator": {
        "engine": "Vulnogram 0.0.9"
      },
      "impact": {
        "cvss": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "LOW",
          "baseScore": 4.4,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L",
          "version": "3.1"
        }
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "CWE-264 Permissions, Privileges, and Access Controls"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://www.arista.com/en/support/advisories-notices/security-advisories/12913-security-advisory-65",
            "refsource": "MISC",
            "url": "https://www.arista.com/en/support/advisories-notices/security-advisories/12913-security-advisory-65"
          }
        ]
      },
      "solution": [
        {
          "lang": "eng",
          "value": "Upgrade to MOS-0.26.7 or MOS-0.32.0\n"
        },
        {
          "lang": "eng",
          "value": "Install hotfix stored at https://www.arista.com/assets/data/SecurityAdvisories/SA64-67/SecurityAdvisory64-67-Hotfix-mos-1818-2.0.0-1.11.core2_64.rpm\nFor detailed information about hotfix installation, please see the advisory https://www.arista.com/en/support/advisories-notices/security-advisories/12912-security-advisory-64"
        }
      ],
      "source": {
        "discovery": "INTERNAL"
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [
              {
                "children": [],
                "cpe_match": [
                  {
                    "cpe23Uri": "cpe:2.3:o:arista:metamako_operating_system:*:*:*:*:*:*:*:*",
                    "cpe_name": [],
                    "versionEndIncluding": "0.26.6",
                    "vulnerable": true
                  },
                  {
                    "cpe23Uri": "cpe:2.3:o:arista:metamako_operating_system:*:*:*:*:*:*:*:*",
                    "cpe_name": [],
                    "versionEndExcluding": "0.32.0",
                    "versionStartIncluding": "0.31.0",
                    "vulnerable": true
                  }
                ],
                "operator": "OR"
              },
              {
                "children": [],
                "cpe_match": [
                  {
                    "cpe23Uri": "cpe:2.3:h:arista:7130:-:*:*:*:*:*:*:*",
                    "cpe_name": [],
                    "vulnerable": false
                  }
                ],
                "operator": "OR"
              }
            ],
            "cpe_match": [],
            "operator": "AND"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "psirt@arista.com",
          "ID": "CVE-2021-28497"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "In Arista\u0027s MOS (Metamako Operating System) software which is supported on the 7130 product line, under certain conditions, the bash shell might be accessible to unprivileged users in situations where they should not have access. This issue affects: Arista Metamako Operating System All releases in the MOS-0.1x train MOS-0.26.6 and below releases in the MOS-0.2x train MOS-0.31.1 and below releases in the MOS-0.3x train"
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "NVD-CWE-Other"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.arista.com/en/support/advisories-notices/security-advisories/12913-security-advisory-65",
              "refsource": "MISC",
              "tags": [
                "Mitigation",
                "Vendor Advisory"
              ],
              "url": "https://www.arista.com/en/support/advisories-notices/security-advisories/12913-security-advisory-65"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "LOCAL",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 4.6,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 6.4,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 1.8,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2021-09-22T16:50Z",
      "publishedDate": "2021-09-09T13:15Z"
    }
  }
}


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