Vulnerability-Lookup

FKIE_CVE-2022-4768

Vulnerability from fkie_nvd - Published: 2022-12-27 23:15 - Updated: 2026-06-17 05:21

Severity

6.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Summary

A vulnerability was found in Dropbox merou. It has been classified as critical. Affected is the function add_public_key of the file grouper/public_key.py of the component SSH Public Key Handler. The manipulation of the argument public_key_str leads to injection. It is possible to launch the attack remotely. The name of the patch is d93087973afa26bc0a2d0a5eb5c0fde748bdd107. It is recommended to apply a patch to fix this issue. VDB-216906 is the identifier assigned to this vulnerability.

References

URL	Tags
cna@vuldb.com	https://github.com/dropbox/merou/commit/d93087973afa26bc0a2d0a5eb5c0fde748bdd107	Patch, Third Party Advisory
cna@vuldb.com	https://github.com/dropbox/merou/pull/673	Patch, Third Party Advisory
cna@vuldb.com	https://vuldb.com/?ctiid.216906	Third Party Advisory
cna@vuldb.com	https://vuldb.com/?id.216906	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://github.com/dropbox/merou/commit/d93087973afa26bc0a2d0a5eb5c0fde748bdd107	Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://github.com/dropbox/merou/pull/673	Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://vuldb.com/?ctiid.216906	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://vuldb.com/?id.216906	Third Party Advisory

Impacted products

	Vendor	Product	Version
	dropbox	merou	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "modules": [
            "SSH Public Key Handler"
          ],
          "product": "merou",
          "vendor": "Dropbox",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cna@vuldb.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:dropbox:merou:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "8A84A14E-6A19-456E-9EF5-706C0E25252D",
              "versionEndExcluding": "2022-03-28",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability was found in Dropbox merou. It has been classified as critical. Affected is the function add_public_key of the file grouper/public_key.py of the component SSH Public Key Handler. The manipulation of the argument public_key_str leads to injection. It is possible to launch the attack remotely. The name of the patch is d93087973afa26bc0a2d0a5eb5c0fde748bdd107. It is recommended to apply a patch to fix this issue. VDB-216906 is the identifier assigned to this vulnerability."
    },
    {
      "lang": "es",
      "value": "Se encontr\u00f3 una vulnerabilidad en Dropbox merou. Ha sido clasificada como cr\u00edtica. La funci\u00f3n add_public_key del archivo grouper/public_key.py del componente SSH Public Key Handler es afectada por la vulnerabilidad. La manipulaci\u00f3n del argumento public_key_str conduce a la inyecci\u00f3n. Es posible lanzar el ataque de forma remota. El nombre del parche es d93087973afa26bc0a2d0a5eb5c0fde748bdd107. Se recomienda aplicar un parche para solucionar este problema. VDB-216906 es el identificador asignado a esta vulnerabilidad."
    }
  ],
  "id": "CVE-2022-4768",
  "lastModified": "2026-06-17T05:21:47.420",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "LOW",
          "baseScore": 6.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.4,
        "source": "cna@vuldb.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2022-12-27T23:15:10.830",
  "references": [
    {
      "source": "cna@vuldb.com",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/dropbox/merou/commit/d93087973afa26bc0a2d0a5eb5c0fde748bdd107"
    },
    {
      "source": "cna@vuldb.com",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/dropbox/merou/pull/673"
    },
    {
      "source": "cna@vuldb.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://vuldb.com/?ctiid.216906"
    },
    {
      "source": "cna@vuldb.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://vuldb.com/?id.216906"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/dropbox/merou/commit/d93087973afa26bc0a2d0a5eb5c0fde748bdd107"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/dropbox/merou/pull/673"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://vuldb.com/?ctiid.216906"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://vuldb.com/?id.216906"
    }
  ],
  "sourceIdentifier": "cna@vuldb.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-74"
        }
      ],
      "source": "cna@vuldb.com",
      "type": "Secondary"
    }
  ]
}

CVE-2022-4768 (GCVE-0-2022-4768)

Vulnerability from cvelistv5 – Published: 2022-12-27 22:33 – Updated: 2024-08-03 01:48

Title

Dropbox merou SSH Public Key public_key.py add_public_key injection

Summary

Severity

6.3 (Medium)


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

6.3 (Medium)


                        
                          CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

CWE

CWE-74 - Injection

Assigner

VulDB mitre root

References

4 references

URL	Tags
https://vuldb.com/?id.216906	vdb-entrytechnical-description
https://vuldb.com/?ctiid.216906	signaturepermissions-required
https://github.com/dropbox/merou/pull/673	issue-tracking
https://github.com/dropbox/merou/commit/d93087973…	patch

Impacted products

1 product

Vendor	Product	Version
Dropbox	merou	Affected: n/a

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T01:48:40.389Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
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              "technical-description",
              "x_transferred"
            ],
            "url": "https://vuldb.com/?id.216906"
          },
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              "signature",
              "permissions-required",
              "x_transferred"
            ],
            "url": "https://vuldb.com/?ctiid.216906"
          },
          {
            "tags": [
              "issue-tracking",
              "x_transferred"
            ],
            "url": "https://github.com/dropbox/merou/pull/673"
          },
          {
            "tags": [
              "patch",
              "x_transferred"
            ],
            "url": "https://github.com/dropbox/merou/commit/d93087973afa26bc0a2d0a5eb5c0fde748bdd107"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "modules": [
            "SSH Public Key Handler"
          ],
          "product": "merou",
          "vendor": "Dropbox",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability was found in Dropbox merou. It has been classified as critical. Affected is the function add_public_key of the file grouper/public_key.py of the component SSH Public Key Handler. The manipulation of the argument public_key_str leads to injection. It is possible to launch the attack remotely. The name of the patch is d93087973afa26bc0a2d0a5eb5c0fde748bdd107. It is recommended to apply a patch to fix this issue. VDB-216906 is the identifier assigned to this vulnerability."
        },
        {
          "lang": "de",
          "value": "Es wurde eine kritische Schwachstelle in Dropbox merou ausgemacht. Hiervon betroffen ist die Funktion add_public_key der Datei grouper/public_key.py der Komponente SSH Public Key Handler. Durch Manipulieren des Arguments public_key_str mit unbekannten Daten kann eine injection-Schwachstelle ausgenutzt werden. Der Angriff kann \u00fcber das Netzwerk angegangen werden. Der Patch wird als d93087973afa26bc0a2d0a5eb5c0fde748bdd107 bezeichnet. Als bestm\u00f6gliche Massnahme wird Patching empfohlen."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 6.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L",
            "version": "3.1"
          }
        },
        {
          "cvssV3_0": {
            "baseScore": 6.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L",
            "version": "3.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-74",
              "description": "CWE-74 Injection",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-12-27T22:33:35.180Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "tags": [
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          "url": "https://vuldb.com/?id.216906"
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        {
          "tags": [
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            "permissions-required"
          ],
          "url": "https://vuldb.com/?ctiid.216906"
        },
        {
          "tags": [
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          "url": "https://github.com/dropbox/merou/pull/673"
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          "time": "2022-12-27T00:00:00.000Z",
          "value": "Advisory disclosed"
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          "time": "2022-12-27T01:00:00.000Z",
          "value": "VulDB entry created"
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          "lang": "en",
          "time": "2022-12-27T23:38:30.000Z",
          "value": "VulDB last update"
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      ],
      "title": "Dropbox merou SSH Public Key public_key.py add_public_key injection"
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  "cveMetadata": {
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    "state": "PUBLISHED"
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}

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.