github - ghsa-f6x5-jh6r-wrfv

ghsa-f6x5-jh6r-wrfv

Vulnerability from github

Published

2025-11-19 23:16

Modified

2025-11-20 16:35

Severity ?

5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Summary

golang.org/x/crypto/ssh/agent vulnerable to panic if message is malformed due to out of bounds read

Details

SSH Agent servers do not validate the size of messages when processing new identity requests, which may cause the program to panic if the message is malformed due to an out of bounds read.

Show details on source website

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{
  "affected": [
    {
      "package": {
        "ecosystem": "Go",
        "name": "golang.org/x/crypto"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.45.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2025-47914"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-125"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2025-11-19T23:16:40Z",
    "nvd_published_at": "2025-11-19T21:15:50Z",
    "severity": "MODERATE"
  },
  "details": "SSH Agent servers do not validate the size of messages when processing new identity requests, which may cause the program to panic if the message is malformed due to an out of bounds read.",
  "id": "GHSA-f6x5-jh6r-wrfv",
  "modified": "2025-11-20T16:35:18Z",
  "published": "2025-11-19T23:16:40Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-47914"
    },
    {
      "type": "WEB",
      "url": "https://go.dev/cl/721960"
    },
    {
      "type": "WEB",
      "url": "https://go.dev/issue/76364"
    },
    {
      "type": "WEB",
      "url": "https://go.googlesource.com/crypto"
    },
    {
      "type": "WEB",
      "url": "https://groups.google.com/g/golang-announce/c/w-oX3UxNcZA"
    },
    {
      "type": "WEB",
      "url": "https://pkg.go.dev/vuln/GO-2025-4135"
    }
  ],
  "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:L",
      "type": "CVSS_V3"
    }
  ],
  "summary": "golang.org/x/crypto/ssh/agent vulnerable to panic if message is malformed due to out of bounds read"
}

CVE-2025-47914 (GCVE-0-2025-47914)

Vulnerability from cvelistv5

Published

2025-11-19 20:33

Modified

2025-11-20 17:15

Severity ?

5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CWE

CWE-237

Summary

SSH Agent servers do not validate the size of messages when processing new identity requests, which may cause the program to panic if the message is malformed due to an out of bounds read.

References

URL

Tags

	https://groups.google.com/g/golang-announce/c/w-oX3UxNcZA
	https://go.dev/cl/721960
	https://go.dev/issue/76364
	https://pkg.go.dev/vuln/GO-2025-4135

Impacted products

	Vendor	Product	Version
	golang.org/x/crypto	golang.org/x/crypto/ssh/agent	Version: 0 ≤

Show details on NVD website

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "LOW",
              "baseScore": 5.3,
              "baseSeverity": "MEDIUM",
              "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:L",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2025-47914",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-11-19T20:50:27.263405Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-125",
                "description": "CWE-125 Out-of-bounds Read",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-11-19T20:50:30.968Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "collectionURL": "https://pkg.go.dev",
          "defaultStatus": "unaffected",
          "packageName": "golang.org/x/crypto/ssh/agent",
          "product": "golang.org/x/crypto/ssh/agent",
          "programRoutines": [
            {
              "name": "parseConstraints"
            },
            {
              "name": "ForwardToAgent"
            },
            {
              "name": "ServeAgent"
            }
          ],
          "vendor": "golang.org/x/crypto",
          "versions": [
            {
              "lessThan": "0.45.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Jakub Ciolek"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "SSH Agent servers do not validate the size of messages when processing new identity requests, which may cause the program to panic if the message is malformed due to an out of bounds read."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "CWE-237",
              "lang": "en"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-11-20T17:15:00.344Z",
        "orgId": "1bb62c36-49e3-4200-9d77-64a1400537cc",
        "shortName": "Go"
      },
      "references": [
        {
          "url": "https://groups.google.com/g/golang-announce/c/w-oX3UxNcZA"
        },
        {
          "url": "https://go.dev/cl/721960"
        },
        {
          "url": "https://go.dev/issue/76364"
        },
        {
          "url": "https://pkg.go.dev/vuln/GO-2025-4135"
        }
      ],
      "title": "Malformed constraint may cause denial of service in golang.org/x/crypto/ssh/agent"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1bb62c36-49e3-4200-9d77-64a1400537cc",
    "assignerShortName": "Go",
    "cveId": "CVE-2025-47914",
    "datePublished": "2025-11-19T20:33:43.126Z",
    "dateReserved": "2025-05-13T23:31:29.597Z",
    "dateUpdated": "2025-11-20T17:15:00.344Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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