ubuntu-cve-2020-9283
Vulnerability from osv_ubuntu
Published
2020-02-20 20:15
Modified
2026-07-09 10:36
Summary
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.

Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "golang-go.crypto-dev",
            "binary_version": "1:0.0~git20151201.0.7b85b09-2ubuntu0.1~esm3"
          },
          {
            "binary_name": "golang-golang-x-crypto-dev",
            "binary_version": "1:0.0~git20151201.0.7b85b09-2ubuntu0.1~esm3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "golang-go.crypto",
        "purl": "pkg:deb/ubuntu/golang-go.crypto@1:0.0~git20151201.0.7b85b09-2ubuntu0.1~esm3?arch=source\u0026distro=esm-infra-legacy/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:0.0~git20150608-1",
        "1:0.0~git20151201.0.7b85b09-2",
        "1:0.0~git20151201.0.7b85b09-2ubuntu0.1~esm1",
        "1:0.0~git20151201.0.7b85b09-2ubuntu0.1~esm2",
        "1:0.0~git20151201.0.7b85b09-2ubuntu0.1~esm3"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "golang-go.crypto-dev",
            "binary_version": "1:0.0~git20170629.0.5ef0053-2ubuntu0.1~esm3"
          },
          {
            "binary_name": "golang-golang-x-crypto-dev",
            "binary_version": "1:0.0~git20170629.0.5ef0053-2ubuntu0.1~esm3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "golang-go.crypto",
        "purl": "pkg:deb/ubuntu/golang-go.crypto@1:0.0~git20170629.0.5ef0053-2ubuntu0.1~esm3?arch=source\u0026distro=esm-apps/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1:0.0~git20170629.0.5ef0053-1ubuntu1",
        "1:0.0~git20170629.0.5ef0053-1ubuntu2",
        "1:0.0~git20170629.0.5ef0053-2",
        "1:0.0~git20170629.0.5ef0053-2ubuntu0.1~esm1",
        "1:0.0~git20170629.0.5ef0053-2ubuntu0.1~esm2",
        "1:0.0~git20170629.0.5ef0053-2ubuntu0.1~esm3"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "mongo-tools",
            "binary_version": "3.6.3-0ubuntu1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "mongo-tools",
        "purl": "pkg:deb/ubuntu/mongo-tools@3.6.3-0ubuntu1?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.2.11-1",
        "3.2.11-1ubuntu1",
        "3.4.14-1",
        "3.4.14-2",
        "3.6.3-0ubuntu1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "mongo-tools",
            "binary_version": "3.6.3-0ubuntu1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "mongo-tools",
        "purl": "pkg:deb/ubuntu/mongo-tools@3.6.3-0ubuntu1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.6.3-0ubuntu1"
      ]
    }
  ],
  "aliases": [],
  "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": "UBUNTU-CVE-2020-9283",
  "modified": "2026-07-09T10:36:04Z",
  "published": "2020-02-20T20:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-9283"
    },
    {
      "type": "REPORT",
      "url": "http://packetstormsecurity.com/files/156480/Go-SSH-0.0.2-Denial-Of-Service.html"
    },
    {
      "type": "REPORT",
      "url": "https://groups.google.com/forum/#!topic/golang-announce/3L45YRc91SY"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2020-9283"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2020-9283"
  ]
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.