github - ghsa-56w8-48fp-6mgv

GHSA-56W8-48FP-6MGV

Vulnerability from github – Published: 2025-11-14 00:30 – Updated: 2025-11-14 00:30

Details

SSH clients receiving SSH_AGENT_SUCCESS when expecting a typed response will panic and cause early termination of the client process.

Severity ?

7.5 (High)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2025-47913"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-11-13T22:15:51Z",
    "severity": "HIGH"
  },
  "details": "SSH clients receiving SSH_AGENT_SUCCESS when expecting a typed response will panic and cause early termination of the client process.",
  "id": "GHSA-56w8-48fp-6mgv",
  "modified": "2025-11-14T00:30:27Z",
  "published": "2025-11-14T00:30:27Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-47913"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-hcg3-q754-cr77"
    },
    {
      "type": "WEB",
      "url": "https://go.dev/cl/700295"
    },
    {
      "type": "WEB",
      "url": "https://go.dev/issue/75178"
    },
    {
      "type": "WEB",
      "url": "https://pkg.go.dev/vuln/GO-2025-4116"
    }
  ],
  "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"
    }
  ]
}

CVE-2025-47913 (GCVE-0-2025-47913)

Vulnerability from cvelistv5 – Published: 2025-11-13 21:29 – Updated: 2025-11-13 21:47

Summary

SSH clients receiving SSH_AGENT_SUCCESS when expecting a typed response will panic and cause early termination of the client process.

Severity ?

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE

CWE-703 - Improper Handling of Exceptional Conditions

Assigner

References

URL

Tags

	https://go.dev/cl/700295
	https://go.dev/issue/75178
	https://github.com/advisories/GHSA-hcg3-q754-cr77
	https://pkg.go.dev/vuln/GO-2025-4116

Impacted products

	Vendor	Product	Version
	golang.org/x/crypto	golang.org/x/crypto/ssh/agent	Affected: 0 , < 0.43.0 (semver)

Credits

Jakub Ciolek Nicola Murino

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "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"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2025-47913",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-11-13T21:47:44.206349Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-11-13T21:47:50.864Z",
          "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": "client.SignWithFlags"
            },
            {
              "name": "client.List"
            },
            {
              "name": "agentKeyringSigner.Sign"
            },
            {
              "name": "agentKeyringSigner.SignWithAlgorithm"
            },
            {
              "name": "client.Sign"
            },
            {
              "name": "client.Signers"
            }
          ],
          "vendor": "golang.org/x/crypto",
          "versions": [
            {
              "lessThan": "0.43.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Jakub Ciolek"
        },
        {
          "lang": "en",
          "value": "Nicola Murino"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "SSH clients receiving SSH_AGENT_SUCCESS when expecting a typed response will panic and cause early termination of the client process."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "CWE-703: Improper Handling of Exceptional Conditions",
              "lang": "en"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-11-13T21:29:39.907Z",
        "orgId": "1bb62c36-49e3-4200-9d77-64a1400537cc",
        "shortName": "Go"
      },
      "references": [
        {
          "url": "https://go.dev/cl/700295"
        },
        {
          "url": "https://go.dev/issue/75178"
        },
        {
          "url": "https://github.com/advisories/GHSA-hcg3-q754-cr77"
        },
        {
          "url": "https://pkg.go.dev/vuln/GO-2025-4116"
        }
      ],
      "title": "Potential denial of service in golang.org/x/crypto/ssh/agent"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1bb62c36-49e3-4200-9d77-64a1400537cc",
    "assignerShortName": "Go",
    "cveId": "CVE-2025-47913",
    "datePublished": "2025-11-13T21:29:39.907Z",
    "dateReserved": "2025-05-13T23:31:29.597Z",
    "dateUpdated": "2025-11-13T21:47:50.864Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date

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.

Action not permitted

GHSA-56W8-48FP-6MGV

CVE-2025-47913 (GCVE-0-2025-47913)

Tags

Sightings

Nomenclature