gsd-2021-28041
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
ssh-agent in OpenSSH before 8.5 has a double free that may be relevant in a few less-common scenarios, such as unconstrained agent-socket access on a legacy operating system, or the forwarding of an agent to an attacker-controlled host.
Aliases
Aliases
CVE-2021-28041


To clipboard 

{
  "GSD": {
    "alias": "CVE-2021-28041",
    "description": "ssh-agent in OpenSSH before 8.5 has a double free that may be relevant in a few less-common scenarios, such as unconstrained agent-socket access on a legacy operating system, or the forwarding of an agent to an attacker-controlled host.",
    "id": "GSD-2021-28041",
    "references": [
      "https://www.suse.com/security/cve/CVE-2021-28041.html",
      "https://ubuntu.com/security/CVE-2021-28041",
      "https://advisories.mageia.org/CVE-2021-28041.html",
      "https://security.archlinux.org/CVE-2021-28041"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-28041"
      ],
      "details": "ssh-agent in OpenSSH before 8.5 has a double free that may be relevant in a few less-common scenarios, such as unconstrained agent-socket access on a legacy operating system, or the forwarding of an agent to an attacker-controlled host.",
      "id": "GSD-2021-28041",
      "modified": "2023-12-13T01:23:28.946916Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2021-28041",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "n/a"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "n/a"
            }
          ]
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          }
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      },
      "problemtype": {
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              {
                "lang": "eng",
                "value": "n/a"
              }
            ]
          }
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      },
      "references": {
        "reference_data": [
          {
            "name": "https://www.openssh.com/security.html",
            "refsource": "MISC",
            "url": "https://www.openssh.com/security.html"
          },
          {
            "name": "https://www.openwall.com/lists/oss-security/2021/03/03/1",
            "refsource": "MISC",
            "url": "https://www.openwall.com/lists/oss-security/2021/03/03/1"
          },
          {
            "name": "https://github.com/openssh/openssh-portable/commit/e04fd6dde16de1cdc5a4d9946397ff60d96568db",
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            "url": "https://github.com/openssh/openssh-portable/commit/e04fd6dde16de1cdc5a4d9946397ff60d96568db"
          },
          {
            "name": "https://www.openssh.com/txt/release-8.5",
            "refsource": "MISC",
            "url": "https://www.openssh.com/txt/release-8.5"
          },
          {
            "name": "FEDORA-2021-f68a5a75ba",
            "refsource": "FEDORA",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TXST2CML2MWY3PNVUXX7FFJE3ATJMNVZ/"
          },
          {
            "name": "GLSA-202105-35",
            "refsource": "GENTOO",
            "url": "https://security.gentoo.org/glsa/202105-35"
          },
          {
            "name": "FEDORA-2021-1d3698089d",
            "refsource": "FEDORA",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KQWGII3LQR4AOTPPFXGMTYE7UDEWIUKI/"
          },
          {
            "name": "https://www.oracle.com//security-alerts/cpujul2021.html",
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          },
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            "refsource": "CONFIRM",
            "url": "https://security.netapp.com/advisory/ntap-20210416-0002/"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:openbsd:openssh:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "8.5",
                "versionStartIncluding": "8.2",
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              }
            ],
            "operator": "OR"
          },
          {
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            "cpe_match": [
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              {
                "cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*",
                "cpe_name": [],
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            ],
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          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*",
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              },
              {
                "cpe23Uri": "cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:*",
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              },
              {
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          },
          {
            "children": [
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                "cpe_match": [
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                "operator": "OR"
              },
              {
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                ],
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            ],
            "cpe_match": [],
            "operator": "AND"
          },
          {
            "children": [
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                ],
                "operator": "OR"
              },
              {
                "children": [],
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                  }
                ],
                "operator": "OR"
              }
            ],
            "cpe_match": [],
            "operator": "AND"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:oracle:zfs_storage_appliance:8.8:*:*:*:*:*:*:*",
                "cpe_name": [],
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              },
              {
                "cpe23Uri": "cpe:2.3:a:oracle:communications_offline_mediation_controller:12.0.0.3.0:*:*:*:*:*:*:*",
                "cpe_name": [],
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            ],
            "operator": "OR"
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        ]
      },
      "cve": {
        "CVE_data_meta": {
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          "ID": "CVE-2021-28041"
        },
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        "description": {
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            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-415"
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          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/openssh/openssh-portable/commit/e04fd6dde16de1cdc5a4d9946397ff60d96568db",
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              "url": "https://github.com/openssh/openssh-portable/commit/e04fd6dde16de1cdc5a4d9946397ff60d96568db"
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            {
              "name": "https://www.openssh.com/txt/release-8.5",
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              "url": "https://www.openssh.com/txt/release-8.5"
            },
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            },
            {
              "name": "https://www.openssh.com/security.html",
              "refsource": "MISC",
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                "Not Applicable",
                "Vendor Advisory"
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              "url": "https://www.openssh.com/security.html"
            },
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              "refsource": "FEDORA",
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                "Third Party Advisory"
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            },
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              "name": "https://security.netapp.com/advisory/ntap-20210416-0002/",
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            },
            {
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        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "HIGH",
            "accessVector": "NETWORK",
            "authentication": "SINGLE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 4.6,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:H/Au:S/C:P/I:P/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 6.4,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": true
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.1,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 1.2,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2022-05-20T20:47Z",
      "publishedDate": "2021-03-05T21:15Z"
    }
  }
}


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