gsd-2020-9283
Vulnerability from gsd
Modified
2023-12-13 01:21
Details
golang.org/x/crypto before v0.0.0-20200220183623-bac4c82f6975 for Go allows a panic during signature verification in the golang.org/x/crypto/ssh package. A client can attack an SSH server that accepts public keys. Also, a server can attack any SSH client.
Aliases
Aliases
CVE-2020-9283


To clipboard 

{
  "GSD": {
    "alias": "CVE-2020-9283",
    "description": "golang.org/x/crypto before v0.0.0-20200220183623-bac4c82f6975 for Go allows a panic during signature verification in the golang.org/x/crypto/ssh package. A client can attack an SSH server that accepts public keys. Also, a server can attack any SSH client.",
    "id": "GSD-2020-9283",
    "references": [
      "https://www.suse.com/security/cve/CVE-2020-9283.html",
      "https://access.redhat.com/errata/RHSA-2021:1129",
      "https://access.redhat.com/errata/RHSA-2021:0799",
      "https://access.redhat.com/errata/RHSA-2020:4298",
      "https://access.redhat.com/errata/RHSA-2020:4264",
      "https://access.redhat.com/errata/RHSA-2020:3809",
      "https://access.redhat.com/errata/RHSA-2020:3414",
      "https://access.redhat.com/errata/RHSA-2020:3372",
      "https://access.redhat.com/errata/RHSA-2020:3370",
      "https://access.redhat.com/errata/RHSA-2020:3369",
      "https://access.redhat.com/errata/RHBA-2020:3180",
      "https://access.redhat.com/errata/RHBA-2020:3179",
      "https://access.redhat.com/errata/RHSA-2020:3078",
      "https://access.redhat.com/errata/RHSA-2020:2878",
      "https://access.redhat.com/errata/RHSA-2020:2793",
      "https://access.redhat.com/errata/RHSA-2020:2790",
      "https://access.redhat.com/errata/RHSA-2020:2789",
      "https://access.redhat.com/errata/RHSA-2020:2413",
      "https://access.redhat.com/errata/RHSA-2020:2412",
      "https://security.archlinux.org/CVE-2020-9283",
      "https://packetstormsecurity.com/files/cve/CVE-2020-9283"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2020-9283"
      ],
      "details": "golang.org/x/crypto before v0.0.0-20200220183623-bac4c82f6975 for Go allows a panic during signature verification in the golang.org/x/crypto/ssh package. A client can attack an SSH server that accepts public keys. Also, a server can attack any SSH client.",
      "id": "GSD-2020-9283",
      "modified": "2023-12-13T01:21:53.246489Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2020-9283",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "n/a"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "n/a"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "golang.org/x/crypto before v0.0.0-20200220183623-bac4c82f6975 for Go allows a panic during signature verification in the golang.org/x/crypto/ssh package. A client can attack an SSH server that accepts public keys. Also, a server can attack any SSH client."
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "n/a"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://groups.google.com/forum/#!topic/golang-announce/3L45YRc91SY",
            "refsource": "CONFIRM",
            "url": "https://groups.google.com/forum/#!topic/golang-announce/3L45YRc91SY"
          },
          {
            "name": "http://packetstormsecurity.com/files/156480/Go-SSH-0.0.2-Denial-Of-Service.html",
            "refsource": "MISC",
            "url": "http://packetstormsecurity.com/files/156480/Go-SSH-0.0.2-Denial-Of-Service.html"
          },
          {
            "name": "[debian-lts-announce] 20201007 [SECURITY] [DLA 2402-1] golang-go.crypto security update",
            "refsource": "MLIST",
            "url": "https://lists.debian.org/debian-lts-announce/2020/10/msg00014.html"
          },
          {
            "name": "[debian-lts-announce] 20201116 [SECURITY] [DLA 2453-1] restic security update",
            "refsource": "MLIST",
            "url": "https://lists.debian.org/debian-lts-announce/2020/11/msg00027.html"
          },
          {
            "name": "[debian-lts-announce] 20201118 [SECURITY] [DLA 2455-1] packer security update",
            "refsource": "MLIST",
            "url": "https://lists.debian.org/debian-lts-announce/2020/11/msg00031.html"
          },
          {
            "name": "[debian-lts-announce] 20230616 [SECURITY] [DLA 3455-1] golang-go.crypto security update",
            "refsource": "MLIST",
            "url": "https://lists.debian.org/debian-lts-announce/2023/06/msg00017.html"
          }
        ]
      }
    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "=0.0.0-20200220183623-bac4c82f6975",
          "affected_versions": "Version 0.0.0-20200220183623-bac4c82f6975",
          "cvss_v2": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "cwe_ids": [
            "CWE-1035",
            "CWE-347",
            "CWE-937"
          ],
          "date": "2020-11-18",
          "description": "`golang.org/x/crypto` allows a panic during signature verification in the `golang.org/x/crypto/ssh` package. A client can attack an SSH server that accepts public keys. Also, a server can attack any SSH client.",
          "fixed_versions": [],
          "identifier": "CVE-2020-9283",
          "identifiers": [
            "CVE-2020-9283"
          ],
          "not_impacted": "",
          "package_slug": "go/golang.org/x/crypto",
          "pubdate": "2020-02-20",
          "solution": "Unfortunately, there is no solution available yet.",
          "title": "Improper Verification of Cryptographic Signature",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2020-9283",
            "http://packetstormsecurity.com/files/156480/Go-SSH-0.0.2-Denial-Of-Service.html"
          ],
          "uuid": "617bad6a-16cb-43d0-adb1-d530063b2d49"
        }
      ]
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:golang:package_ssh:0.0.0-20200220183623-bac4c82f6975:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2020-9283"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "golang.org/x/crypto before v0.0.0-20200220183623-bac4c82f6975 for Go allows a panic during signature verification in the golang.org/x/crypto/ssh package. A client can attack an SSH server that accepts public keys. Also, a server can attack any SSH client."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-347"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://groups.google.com/forum/#!topic/golang-announce/3L45YRc91SY",
              "refsource": "CONFIRM",
              "tags": [
                "Mailing List",
                "Third Party Advisory"
              ],
              "url": "https://groups.google.com/forum/#!topic/golang-announce/3L45YRc91SY"
            },
            {
              "name": "http://packetstormsecurity.com/files/156480/Go-SSH-0.0.2-Denial-Of-Service.html",
              "refsource": "MISC",
              "tags": [
                "Exploit",
                "Third Party Advisory",
                "VDB Entry"
              ],
              "url": "http://packetstormsecurity.com/files/156480/Go-SSH-0.0.2-Denial-Of-Service.html"
            },
            {
              "name": "[debian-lts-announce] 20201007 [SECURITY] [DLA 2402-1] golang-go.crypto security update",
              "refsource": "MLIST",
              "tags": [
                "Mailing List",
                "Third Party Advisory"
              ],
              "url": "https://lists.debian.org/debian-lts-announce/2020/10/msg00014.html"
            },
            {
              "name": "[debian-lts-announce] 20201116 [SECURITY] [DLA 2453-1] restic security update",
              "refsource": "MLIST",
              "tags": [
                "Mailing List",
                "Third Party Advisory"
              ],
              "url": "https://lists.debian.org/debian-lts-announce/2020/11/msg00027.html"
            },
            {
              "name": "[debian-lts-announce] 20201118 [SECURITY] [DLA 2455-1] packer security update",
              "refsource": "MLIST",
              "tags": [
                "Mailing List",
                "Third Party Advisory"
              ],
              "url": "https://lists.debian.org/debian-lts-announce/2020/11/msg00031.html"
            },
            {
              "name": "[debian-lts-announce] 20230616 [SECURITY] [DLA 3455-1] golang-go.crypto security update",
              "refsource": "MLIST",
              "tags": [],
              "url": "https://lists.debian.org/debian-lts-announce/2023/06/msg00017.html"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 5.0,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2023-06-17T00:15Z",
      "publishedDate": "2020-02-20T20:15Z"
    }
  }
}


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