GSD-2021-28927

Vulnerability from gsd - Updated: 2023-12-13 01:23
Details
The text-to-speech engine in libretro RetroArch for Windows 1.9.0 passes unsanitized input to PowerShell through platform_win32.c via the accessibility_speak_windows function, which allows attackers who have write access on filesystems that are used by RetroArch to execute code via command injection using specially a crafted file and directory names.
Aliases
Aliases
CVE-2021-28927
To clipboard 

{
  "GSD": {
    "alias": "CVE-2021-28927",
    "description": "The text-to-speech engine in libretro RetroArch for Windows 1.9.0 passes unsanitized input to PowerShell through platform_win32.c via the accessibility_speak_windows function, which allows attackers who have write access on filesystems that are used by RetroArch to execute code via command injection using specially a crafted file and directory names.",
    "id": "GSD-2021-28927"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-28927"
      ],
      "details": "The text-to-speech engine in libretro RetroArch for Windows 1.9.0 passes unsanitized input to PowerShell through platform_win32.c via the accessibility_speak_windows function, which allows attackers who have write access on filesystems that are used by RetroArch to execute code via command injection using specially a crafted file and directory names.",
      "id": "GSD-2021-28927",
      "modified": "2023-12-13T01:23:29.027994Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2021-28927",
        "STATE": "PUBLIC"
      },
      "affects": {
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              "product": {
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                    "version": {
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                        {
                          "version_value": "n/a"
                        }
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          }
        ]
      },
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                "lang": "eng",
                "value": "n/a"
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      "references": {
        "reference_data": [
          {
            "name": "http://libretro.com",
            "refsource": "MISC",
            "url": "http://libretro.com"
          },
          {
            "name": "http://retroarch.com",
            "refsource": "MISC",
            "url": "http://retroarch.com"
          },
          {
            "name": "https://github.com/libretro/RetroArch/blob/d3dc3ee989ec6a4903c689907ffc47027f71f776/frontend/drivers/platform_win32.c",
            "refsource": "MISC",
            "url": "https://github.com/libretro/RetroArch/blob/d3dc3ee989ec6a4903c689907ffc47027f71f776/frontend/drivers/platform_win32.c"
          },
          {
            "name": "https://labs.bishopfox.com/advisories/retroarch-for-windows-version-1.9.0",
            "refsource": "MISC",
            "url": "https://labs.bishopfox.com/advisories/retroarch-for-windows-version-1.9.0"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
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        "nodes": [
          {
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                "children": [],
                "cpe_match": [
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                    "cpe23Uri": "cpe:2.3:a:libretro:retroarch:*:*:*:*:*:*:*:*",
                    "cpe_name": [],
                    "versionEndIncluding": "1.9.4",
                    "versionStartIncluding": "1.9.0",
                    "vulnerable": true
                  }
                ],
                "operator": "OR"
              },
              {
                "children": [],
                "cpe_match": [
                  {
                    "cpe23Uri": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*",
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        "description": {
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              "value": "The text-to-speech engine in libretro RetroArch for Windows 1.9.0 passes unsanitized input to PowerShell through platform_win32.c via the accessibility_speak_windows function, which allows attackers who have write access on filesystems that are used by RetroArch to execute code via command injection using specially a crafted file and directory names."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-77"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "http://libretro.com",
              "refsource": "MISC",
              "tags": [
                "Exploit",
                "Vendor Advisory"
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              "url": "http://libretro.com"
            },
            {
              "name": "https://github.com/libretro/RetroArch/blob/d3dc3ee989ec6a4903c689907ffc47027f71f776/frontend/drivers/platform_win32.c",
              "refsource": "MISC",
              "tags": [
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              "url": "https://github.com/libretro/RetroArch/blob/d3dc3ee989ec6a4903c689907ffc47027f71f776/frontend/drivers/platform_win32.c"
            },
            {
              "name": "http://retroarch.com",
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              "refsource": "MISC",
              "tags": [
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              "url": "https://labs.bishopfox.com/advisories/retroarch-for-windows-version-1.9.0"
            }
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        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "LOCAL",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 4.6,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 6.4,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 1.8,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2022-05-27T16:28Z",
      "publishedDate": "2021-04-07T15:15Z"
    }
  }
}


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  • 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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  • 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.