ghsa-ffhg-7mh4-33c4
Vulnerability from github
Published
2021-05-18 15:29
Modified
2023-02-16 00:14
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
Improper Verification of Cryptographic Signature in golang.org/x/crypto
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.

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{
  "affected": [
    {
      "package": {
        "ecosystem": "Go",
        "name": "golang.org/x/crypto"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.0.0-20200220183623-bac4c82f6975"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2020-9283"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-347"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2021-05-17T22:02:30Z",
    "nvd_published_at": "2020-02-20T20:15:00Z",
    "severity": "HIGH"
  },
  "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": "GHSA-ffhg-7mh4-33c4",
  "modified": "2023-02-16T00:14:18Z",
  "published": "2021-05-18T15:29:31Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-9283"
    },
    {
      "type": "WEB",
      "url": "https://github.com/golang/crypto/commit/bac4c82f69751a6dd76e702d54b3ceb88adab236"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/golang/crypto"
    },
    {
      "type": "WEB",
      "url": "https://go.dev/cl/220357"
    },
    {
      "type": "WEB",
      "url": "https://go.googlesource.com/crypto/+/bac4c82f69751a6dd76e702d54b3ceb88adab236"
    },
    {
      "type": "WEB",
      "url": "https://groups.google.com/forum/#!topic/golang-announce/3L45YRc91SY"
    },
    {
      "type": "WEB",
      "url": "https://groups.google.com/g/golang-announce/c/3L45YRc91SY"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2020/10/msg00014.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2020/11/msg00027.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2020/11/msg00031.html"
    },
    {
      "type": "WEB",
      "url": "https://pkg.go.dev/vuln/GO-2020-0012"
    },
    {
      "type": "WEB",
      "url": "https://www.exploit-db.com/exploits/48121"
    },
    {
      "type": "WEB",
      "url": "http://packetstormsecurity.com/files/156480/Go-SSH-0.0.2-Denial-Of-Service.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Improper Verification of Cryptographic Signature in golang.org/x/crypto"
}


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