FKIE_CVE-2023-50914

Vulnerability from fkie_nvd - Published: 2024-04-30 14:15 - Updated: 2026-06-17 06:40
Severity
6.7 (Medium) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L
Summary
A Privilege Escalation issue in the inter-process communication procedure from GOG Galaxy (Beta) 2.0.67.2 through v2.0.71.2 allows authentictaed users to change the DACL of arbitrary system directories to include Everyone full control permissions by modifying the FixDirectoryPrivileges instruction parameters sent from GalaxyClient.exe to GalaxyClientService.exe.
References
cve@mitre.orghttps://github.com/anvilsecure/gog-galaxy-app-research
cve@mitre.orghttps://github.com/anvilsecure/gog-galaxy-app-research/blob/main/advisories/CVE-2023-50914%20-%20LPE.md
cve@mitre.orghttps://support.gog.com/hc/en-us/categories/201553005-Downloads-Installing?product=gog
cve@mitre.orghttps://www.positronsecurity.com/blog/2020-08-13-gog-galaxy_client-local-privilege-escalation_deuce/
af854a3a-2127-422b-91ae-364da2661108https://github.com/anvilsecure/gog-galaxy-app-research
af854a3a-2127-422b-91ae-364da2661108https://github.com/anvilsecure/gog-galaxy-app-research/blob/main/advisories/CVE-2023-50914%20-%20LPE.md
af854a3a-2127-422b-91ae-364da2661108https://support.gog.com/hc/en-us/categories/201553005-Downloads-Installing?product=gog
af854a3a-2127-422b-91ae-364da2661108https://www.positronsecurity.com/blog/2020-08-13-gog-galaxy_client-local-privilege-escalation_deuce/
Impacted products
Vendor Product Version
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:gog:galaxy:-:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unknown",
          "product": "galaxy",
          "vendor": "gog",
          "versions": [
            {
              "lessThanOrEqual": "v2.071.2",
              "status": "affected",
              "version": "2.0.67.2",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A Privilege Escalation issue in the inter-process communication procedure from GOG Galaxy (Beta) 2.0.67.2 through v2.0.71.2 allows authentictaed users to change the DACL of arbitrary system directories to include Everyone full control permissions by modifying the FixDirectoryPrivileges instruction parameters sent from GalaxyClient.exe to GalaxyClientService.exe."
    },
    {
      "lang": "es",
      "value": "Un problema de escalada de privilegios en el procedimiento de comunicaci\u00f3n entre procesos desde GOG Galaxy (Beta) 2.0.67.2 hasta v2.0.71.2 permite a los usuarios autenticados cambiar el DACL de directorios arbitrarios del sistema para incluir permisos de control total para todos modificando los par\u00e1metros de instrucci\u00f3n FixDirectoryPrivileges enviados. de GalaxyClient.exe a GalaxyClientService.exe."
    }
  ],
  "id": "CVE-2023-50914",
  "lastModified": "2026-06-17T06:40:12.727",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "LOW",
          "baseScore": 6.7,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L",
          "version": "3.1"
        },
        "exploitabilityScore": 1.2,
        "impactScore": 5.5,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-50914",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-07-16T19:16:30.967116Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2024-04-30T14:15:10.820",
  "references": [
    {
      "source": "cve@mitre.org",
      "url": "https://github.com/anvilsecure/gog-galaxy-app-research"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://github.com/anvilsecure/gog-galaxy-app-research/blob/main/advisories/CVE-2023-50914%20-%20LPE.md"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://support.gog.com/hc/en-us/categories/201553005-Downloads-Installing?product=gog"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://www.positronsecurity.com/blog/2020-08-13-gog-galaxy_client-local-privilege-escalation_deuce/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://github.com/anvilsecure/gog-galaxy-app-research"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://github.com/anvilsecure/gog-galaxy-app-research/blob/main/advisories/CVE-2023-50914%20-%20LPE.md"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://support.gog.com/hc/en-us/categories/201553005-Downloads-Installing?product=gog"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://www.positronsecurity.com/blog/2020-08-13-gog-galaxy_client-local-privilege-escalation_deuce/"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-279"
        }
      ],
      "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.
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  • 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.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.