GSD-2022-2652

Vulnerability from gsd - Updated: 2023-12-13 01:19
Details
Depending on the way the format strings in the card label are crafted it's possible to leak kernel stack memory. There is also the possibility for DoS due to the v4l2loopback kernel module crashing when providing the card label on request (reproduce e.g. with many %s modifiers in a row).
Aliases
Aliases
CVE-2022-2652
To clipboard 

{
  "GSD": {
    "alias": "CVE-2022-2652",
    "description": "Depending on the way the format strings in the card label are crafted it\u0027s possible to leak kernel stack memory. There is also the possibility for DoS due to the v4l2loopback kernel module crashing when providing the card label on request (reproduce e.g. with many %s modifiers in a row).",
    "id": "GSD-2022-2652",
    "references": [
      "https://www.suse.com/security/cve/CVE-2022-2652.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2022-2652"
      ],
      "details": "Depending on the way the format strings in the card label are crafted it\u0027s possible to leak kernel stack memory. There is also the possibility for DoS due to the v4l2loopback kernel module crashing when providing the card label on request (reproduce e.g. with many %s modifiers in a row).",
      "id": "GSD-2022-2652",
      "modified": "2023-12-13T01:19:19.977958Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "security@huntr.dev",
        "ID": "CVE-2022-2652",
        "STATE": "PUBLIC",
        "TITLE": "Use of Externally-Controlled Format String in umlaeute/v4l2loopback"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "umlaeute/v4l2loopback",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_value": "0.12.6"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "umlaeute"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "Depending on the way the format strings in the card label are crafted it\u0027s possible to leak kernel stack memory. There is also the possibility for DoS due to the v4l2loopback kernel module crashing when providing the card label on request (reproduce e.g. with many %s modifiers in a row)."
          }
        ]
      },
      "impact": {
        "cvss": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "LOW",
          "baseScore": 7.3,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "LOW",
          "privilegesRequired": "HIGH",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:L/A:L",
          "version": "3.0"
        }
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "CWE-134 Use of Externally-Controlled Format String"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://huntr.dev/bounties/1b055da5-7a9e-4409-99d7-030280d242d5",
            "refsource": "CONFIRM",
            "url": "https://huntr.dev/bounties/1b055da5-7a9e-4409-99d7-030280d242d5"
          },
          {
            "name": "https://github.com/umlaeute/v4l2loopback/commit/e4cd225557486c420f6a34411f98c575effd43dd",
            "refsource": "MISC",
            "url": "https://github.com/umlaeute/v4l2loopback/commit/e4cd225557486c420f6a34411f98c575effd43dd"
          }
        ]
      },
      "source": {
        "advisory": "1b055da5-7a9e-4409-99d7-030280d242d5",
        "discovery": "EXTERNAL"
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:v4l2loopback_project:v4l2loopback:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "0.12.6",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "security@huntr.dev",
          "ID": "CVE-2022-2652"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "Depending on the way the format strings in the card label are crafted it\u0027s possible to leak kernel stack memory. There is also the possibility for DoS due to the v4l2loopback kernel module crashing when providing the card label on request (reproduce e.g. with many %s modifiers in a row)."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-134"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://huntr.dev/bounties/1b055da5-7a9e-4409-99d7-030280d242d5",
              "refsource": "CONFIRM",
              "tags": [
                "Exploit",
                "Issue Tracking",
                "Patch",
                "Third Party Advisory"
              ],
              "url": "https://huntr.dev/bounties/1b055da5-7a9e-4409-99d7-030280d242d5"
            },
            {
              "name": "https://github.com/umlaeute/v4l2loopback/commit/e4cd225557486c420f6a34411f98c575effd43dd",
              "refsource": "MISC",
              "tags": [
                "Patch",
                "Third Party Advisory"
              ],
              "url": "https://github.com/umlaeute/v4l2loopback/commit/e4cd225557486c420f6a34411f98c575effd43dd"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 6.0,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 0.8,
          "impactScore": 5.2
        }
      },
      "lastModifiedDate": "2022-08-10T13:40Z",
      "publishedDate": "2022-08-04T10:15Z"
    }
  }
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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Detection rules are retrieved from Rulezet.