gsd-2020-29652
Vulnerability from gsd
Modified
2023-12-13 01:22
Details
A nil pointer dereference in the golang.org/x/crypto/ssh component through v0.0.0-20201203163018-be400aefbc4c for Go allows remote attackers to cause a denial of service against SSH servers.
Aliases
Aliases
CVE-2020-29652


To clipboard 

{
  "GSD": {
    "alias": "CVE-2020-29652",
    "description": "A nil pointer dereference in the golang.org/x/crypto/ssh component through v0.0.0-20201203163018-be400aefbc4c for Go allows remote attackers to cause a denial of service against SSH servers.",
    "id": "GSD-2020-29652",
    "references": [
      "https://www.suse.com/security/cve/CVE-2020-29652.html",
      "https://access.redhat.com/errata/RHSA-2021:2920",
      "https://access.redhat.com/errata/RHSA-2021:1796",
      "https://access.redhat.com/errata/RHSA-2021:0799",
      "https://access.redhat.com/errata/RHSA-2020:5635",
      "https://access.redhat.com/errata/RHSA-2020:5633",
      "https://security.archlinux.org/CVE-2020-29652",
      "https://linux.oracle.com/cve/CVE-2020-29652.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2020-29652"
      ],
      "details": "A nil pointer dereference in the golang.org/x/crypto/ssh component through v0.0.0-20201203163018-be400aefbc4c for Go allows remote attackers to cause a denial of service against SSH servers.",
      "id": "GSD-2020-29652",
      "modified": "2023-12-13T01:22:11.862410Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2020-29652",
        "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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                "value": "n/a"
              }
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      },
      "references": {
        "reference_data": [
          {
            "name": "https://groups.google.com/g/golang-announce/c/ouZIlBimOsE?pli=1",
            "refsource": "MISC",
            "url": "https://groups.google.com/g/golang-announce/c/ouZIlBimOsE?pli=1"
          },
          {
            "name": "https://go-review.googlesource.com/c/crypto/+/278852",
            "refsource": "MISC",
            "url": "https://go-review.googlesource.com/c/crypto/+/278852"
          },
          {
            "name": "[skywalking-notifications] 20211018 [GitHub] [skywalking-swck] hanahmily opened a new pull request #37: Fix vulnerabilities",
            "refsource": "MLIST",
            "url": "https://lists.apache.org/thread.html/r68032132c0399c29d6cdc7bd44918535da54060a10a12b1591328bff@%3Cnotifications.skywalking.apache.org%3E"
          }
        ]
      }
    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "\u003c=v0.0.0-20201203163018-be400aefbc4c",
          "affected_versions": "All versions before version v0.0.0-20201216223049-8b5274cf687f",
          "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-476",
            "CWE-937"
          ],
          "date": "2020-12-17",
          "description": "A nil pointer dereference in the `golang.org/x/crypto/ssh` component enables remote attackers to cause a DoS against SSH servers.",
          "fixed_versions": [
            "v0.0.0-20201216223049-8b5274cf687f"
          ],
          "identifier": "CVE-2020-29652",
          "identifiers": [
            "CVE-2020-29652"
          ],
          "not_impacted": "All versions starting from v0.0.0-20201216223049-8b5274cf687f",
          "package_slug": "go/golang.org/x/crypto",
          "pubdate": "2020-12-17",
          "solution": "Upgrade to version v0.0.0-20201216223049-8b5274cf687f or above.",
          "title": "Nil Pointer Dereference",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2020-29652",
            "https://go-review.googlesource.com/c/crypto/+/278852",
            "https://groups.google.com/g/golang-announce/c/ouZIlBimOsE?pli=1"
          ],
          "uuid": "ffb814a0-404c-11eb-b378-0242ac130002"
        },
        {
          "affected_range": "\u003c0.0.0-20201216223049-8b5274cf687f",
          "affected_versions": "All versions before 0.0.0-20201216223049-8b5274cf687f",
          "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-476",
            "CWE-937"
          ],
          "date": "2023-02-08",
          "description": "A nil pointer dereference in the golang.org/x/crypto/ssh component through v0.0.0-20201203163018-be400aefbc4c for Go allows remote attackers to cause a denial of service against SSH servers.",
          "fixed_versions": [
            "0.0.0-20201216223049-8b5274cf687f"
          ],
          "identifier": "CVE-2020-29652",
          "identifiers": [
            "GHSA-3vm4-22fp-5rfm",
            "CVE-2020-29652"
          ],
          "not_impacted": "All versions starting from 0.0.0-20201216223049-8b5274cf687f",
          "package_slug": "go/golang.org/x/crypto/ssh",
          "pubdate": "2022-05-24",
          "solution": "Upgrade to version 0.0.0-20201216223049-8b5274cf687f or above.",
          "title": "NULL Pointer Dereference",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2020-29652",
            "https://go-review.googlesource.com/c/crypto/+/278852",
            "https://groups.google.com/g/golang-announce/c/ouZIlBimOsE?pli=1",
            "https://lists.apache.org/thread.html/r68032132c0399c29d6cdc7bd44918535da54060a10a12b1591328bff@%3Cnotifications.skywalking.apache.org%3E",
            "https://go.dev/cl/278852",
            "https://go.googlesource.com/crypto/+/8b5274cf687fd9316b4108863654cc57385531e8",
            "https://pkg.go.dev/vuln/GO-2021-0227",
            "https://github.com/advisories/GHSA-3vm4-22fp-5rfm"
          ],
          "uuid": "735f756d-52a4-40b5-927a-37b640f58c92"
        }
      ]
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:golang:ssh:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndIncluding": "0.0.0-20201203163018-be400aefbc4c",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2020-29652"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
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              "value": "A nil pointer dereference in the golang.org/x/crypto/ssh component through v0.0.0-20201203163018-be400aefbc4c for Go allows remote attackers to cause a denial of service against SSH servers."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-476"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://go-review.googlesource.com/c/crypto/+/278852",
              "refsource": "MISC",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "https://go-review.googlesource.com/c/crypto/+/278852"
            },
            {
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              ],
              "url": "https://groups.google.com/g/golang-announce/c/ouZIlBimOsE?pli=1"
            },
            {
              "name": "[skywalking-notifications] 20211018 [GitHub] [skywalking-swck] hanahmily opened a new pull request #37: Fix vulnerabilities",
              "refsource": "MLIST",
              "tags": [
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                "Third Party Advisory"
              ],
              "url": "https://lists.apache.org/thread.html/r68032132c0399c29d6cdc7bd44918535da54060a10a12b1591328bff@%3Cnotifications.skywalking.apache.org%3E"
            }
          ]
        }
      },
      "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": "2022-10-04T14:52Z",
      "publishedDate": "2020-12-17T05:15Z"
    }
  }
}


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