FKIE_CVE-2024-42050

Vulnerability from fkie_nvd - Published: 2024-07-28 03:15 - Updated: 2026-06-17 07:48
Severity
7.0 (High) - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
7.0 (High) - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
The MSI installer for Splashtop Streamer for Windows before 3.7.0.0 uses a temporary folder with weak permissions during installation. A local user can exploit this to escalate privileges to SYSTEM via an oplock on CredProvider_Inst.reg.
References
cve@mitre.orghttps://github.com/SpacePlant/Vulns/blob/main/Advisories/2024/4.mdThird Party Advisory
cve@mitre.orghttps://support-splashtopbusiness.splashtop.com/hc/en-us/articles/25584410412571--Splashtop-Streamer-version-v3-7-0-0-for-Windows-releasedRelease Notes
af854a3a-2127-422b-91ae-364da2661108https://github.com/SpacePlant/Vulns/blob/main/Advisories/2024/4.mdThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://support-splashtopbusiness.splashtop.com/hc/en-us/articles/25584410412571--Splashtop-Streamer-version-v3-7-0-0-for-Windows-releasedRelease Notes
Impacted products
Vendor Product Version
splashtop streamer *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    },
    {
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:splashtop:streamer:*:*:*:*:*:windows:*:*"
          ],
          "defaultStatus": "unknown",
          "product": "streamer",
          "vendor": "splashtop",
          "versions": [
            {
              "lessThan": "3.7.0.0",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:splashtop:streamer:*:*:*:*:-:windows:*:*",
              "matchCriteriaId": "D947FBEC-9E58-46B9-B8E3-700FB63AC4FF",
              "versionEndExcluding": "3.7.0.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The MSI installer for Splashtop Streamer for Windows before 3.7.0.0 uses a temporary folder with weak permissions during installation. A local user can exploit this to escalate privileges to SYSTEM via an oplock on CredProvider_Inst.reg."
    },
    {
      "lang": "es",
      "value": " El instalador MSI para Splashtop Streamer para Windows anterior a 3.7.0.0 utiliza una carpeta temporal con permisos d\u00e9biles durante la instalaci\u00f3n. Un usuario local puede aprovechar esto para escalar privilegios a SYSTEM mediante un bloqueo en CredProvider_Inst.reg."
    }
  ],
  "id": "CVE-2024-42050",
  "lastModified": "2026-06-17T07:48:42.130",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.0,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.0,
        "impactScore": 5.9,
        "source": "cve@mitre.org",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.0,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.0,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2024-42050",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-07-29T14:03:33.751997Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2024-07-28T03:15:01.767",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://github.com/SpacePlant/Vulns/blob/main/Advisories/2024/4.md"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Release Notes"
      ],
      "url": "https://support-splashtopbusiness.splashtop.com/hc/en-us/articles/25584410412571--Splashtop-Streamer-version-v3-7-0-0-for-Windows-released"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://github.com/SpacePlant/Vulns/blob/main/Advisories/2024/4.md"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Release Notes"
      ],
      "url": "https://support-splashtopbusiness.splashtop.com/hc/en-us/articles/25584410412571--Splashtop-Streamer-version-v3-7-0-0-for-Windows-released"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-269"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}



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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

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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.



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.