GHSA-8C26-WMH5-6G9V

Vulnerability from github – Published: 2022-03-19 00:01 – Updated: 2023-08-30 13:52
VLAI?
Summary
golang.org/x/crypto/ssh Denial of service via crafted Signer
Details

The golang.org/x/crypto/ssh package before 0.0.0-20220314234659-1baeb1ce4c0b for Go allows an attacker to crash a server in certain circumstances involving AddHostKey.

Severity ?
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Show details on source website
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{
  "affected": [
    {
      "package": {
        "ecosystem": "Go",
        "name": "golang.org/x/crypto"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.0.0-20220314234659-1baeb1ce4c0b"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2022-27191"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-327"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2022-03-30T18:48:41Z",
    "nvd_published_at": "2022-03-18T07:15:00Z",
    "severity": "HIGH"
  },
  "details": "The golang.org/x/crypto/ssh package before 0.0.0-20220314234659-1baeb1ce4c0b for Go allows an attacker to crash a server in certain circumstances involving AddHostKey.",
  "id": "GHSA-8c26-wmh5-6g9v",
  "modified": "2023-08-30T13:52:18Z",
  "published": "2022-03-19T00:01:02Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-27191"
    },
    {
      "type": "WEB",
      "url": "https://security.netapp.com/advisory/ntap-20220429-0002"
    },
    {
      "type": "WEB",
      "url": "https://raw.githubusercontent.com/golang/vulndb/df2d3d326300e2ae768f00351ffa96cc2c56cf54/reports/GO-2021-0356.yaml"
    },
    {
      "type": "WEB",
      "url": "https://pkg.go.dev/vuln/GO-2021-0356"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZY2SLWOQR4ZURQ7UBRZ7JIX6H6F5JHJR"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZQNPPQWSTP2IX7SHE6TS4SP4EVMI5EZK"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZFUNHFHQVJSADNH7EZ3B53CYDZVEEPBP"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Z55VUVGO7E5PJFXIOVAY373NZRHBNCI5"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YHYRQB7TRMHDB3NEHW5XBRG7PPMUTPGV"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RQXU752ALW53OJAF5MG3WMR5CCZVLWW6"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QTFOIDHQRGNI4P6LYN6ILH5G443RYYKB"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/J5WPM42UR6XIBQNQPNQHM32X7S4LJTRX"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HHGBEGJ54DZZGTXFUQNS7ZIG3E624YAF"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EZ3S7LB65N54HXXBCB67P4TTOHTNPP5O"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DLUJZV3HBP56ADXU6QH2V7RNYUPMVBXQ"
    },
    {
      "type": "WEB",
      "url": "https://groups.google.com/g/golang-announce/c/-cp44ypCT5s"
    },
    {
      "type": "WEB",
      "url": "https://groups.google.com/g/golang-announce"
    },
    {
      "type": "WEB",
      "url": "https://go.googlesource.com/crypto/+/1baeb1ce4c0b006eff0f294c47cb7617598dfb3d"
    },
    {
      "type": "WEB",
      "url": "https://go.dev/cl/392355"
    },
    {
      "type": "PACKAGE",
      "url": "https://cs.opensource.google/go/x/crypto"
    }
  ],
  "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": "golang.org/x/crypto/ssh Denial of service via crafted Signer"
}


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Sightings

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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.