BSI-2022-0002

Vulnerability from csaf_certbund - Published: 2022-08-01 10:00 - Updated: 2022-08-01 10:00
Summary
Stack Buffer Overflow vulnerability in FastStone Image Viewer 7.5 and earlier

Notes

Legal disclaimer
As a content provider, BSI is responsible under general law for its own content distributed for use. However, it remains your responsibility to carefully check usage and/or implementation of information provided with the content.
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{
  "document": {
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en-US",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "As a content provider, BSI is responsible under general law for its own content distributed for use. However, it remains your responsibility to carefully check usage and/or implementation of information provided with the content.",
        "title": "Legal disclaimer"
      }
    ],
    "publisher": {
      "category": "coordinator",
      "name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
      "namespace": "https://www.bsi.bund.de"
    },
    "references": [
      {
        "category": "self",
        "summary": "BSI-2022-0002 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2022/bsi-2022-0002.json"
      },
      {
        "category": "self",
        "summary": "WID advisory - WID-SEC-2022-0883",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2022-0883"
      }
    ],
    "title": "Stack Buffer Overflow vulnerability in FastStone Image Viewer 7.5 and earlier",
    "tracking": {
      "current_release_date": "2022-08-01T10:00:00.000Z",
      "generator": {
        "date": "2022-08-11T07:58:36.374Z",
        "engine": {
          "name": "Secvisogram",
          "version": "1.14.0"
        }
      },
      "id": "BSI-2022-0002",
      "initial_release_date": "2022-08-01T10:00:00.000Z",
      "revision_history": [
        {
          "date": "2022-08-01T10:00:00.000Z",
          "number": "1",
          "summary": "Initial version."
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "7.6",
                "product": {
                  "name": "FastStone Image Viewer 7.6",
                  "product_id": "CSAFPID-0001"
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003c7.6",
                "product": {
                  "name": "FastStone Image Viewer \u003c7.6",
                  "product_id": "CSAFPID-0002"
                }
              }
            ],
            "category": "product_name",
            "name": "Image Viewer"
          }
        ],
        "category": "vendor",
        "name": "FastStone"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2022-36947",
      "cwe": {
        "id": "CWE-121",
        "name": "Stack-based Buffer Overflow"
      },
      "notes": [
        {
          "category": "summary",
          "text": "The vulnerability is triggered when the user opens FastStone Image Viewer and navigates to the folder containing the malformed PNG. The vulnerability is also triggered when directly opening the file with FastStone Image Viewer.",
          "title": "Vulnerability summary"
        }
      ],
      "product_status": {
        "fixed": [
          "CSAFPID-0001"
        ],
        "known_affected": [
          "CSAFPID-0002"
        ]
      },
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2022-03-31T10:00:00.000Z",
          "details": "Update to the latest version of the product. At least version 7.6.",
          "product_ids": [
            "CSAFPID-0002"
          ],
          "url": "https://www.faststonesoft.net/DN/FSViewerSetup76.exe"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "exploitCodeMaturity": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "remediationLevel": "OFFICIAL_FIX",
            "reportConfidence": "CONFIRMED",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-0002"
          ]
        }
      ],
      "title": "Unsafe Parsing of a PNG tRNS chunk in FastStone Image Viewer through 7.5 results in a stack buffer overflow"
    }
  ]
}


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  • 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.