CVE-2022-2652

{"containers": {"cna": {"affected": [{"product": "umlaeute/v4l2loopback", "vendor": "umlaeute", "versions": [{"lessThan": "0.12.6", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "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)."}], "metrics": [{"cvssV3_0": {"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"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-134", "description": "CWE-134 Use of Externally-Controlled Format String", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2022-08-04T09:35:37.000Z", "orgId": "c09c270a-b464-47c1-9133-acb35b22c19a", "shortName": "@huntrdev"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://huntr.dev/bounties/1b055da5-7a9e-4409-99d7-030280d242d5"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/umlaeute/v4l2loopback/commit/e4cd225557486c420f6a34411f98c575effd43dd"}], "source": {"advisory": "1b055da5-7a9e-4409-99d7-030280d242d5", "discovery": "EXTERNAL"}, "title": "Use of Externally-Controlled Format String in umlaeute/v4l2loopback", "x_legacyV4Record": {"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": "<", "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'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)."}]}, "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"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T00:46:03.489Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://huntr.dev/bounties/1b055da5-7a9e-4409-99d7-030280d242d5"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/umlaeute/v4l2loopback/commit/e4cd225557486c420f6a34411f98c575effd43dd"}]}]}, "cveMetadata": {"assignerOrgId": "c09c270a-b464-47c1-9133-acb35b22c19a", "assignerShortName": "@huntrdev", "cveId": "CVE-2022-2652", "datePublished": "2022-08-04T09:35:37.000Z", "dateReserved": "2022-08-04T00:00:00.000Z", "dateUpdated": "2024-08-03T00:46:03.489Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"affected": [{"affectedData": [{"product": "umlaeute/v4l2loopback", "vendor": "umlaeute", "versions": [{"lessThan": "0.12.6", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "source": "security@huntr.dev"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:v4l2loopback_project:v4l2loopback:*:*:*:*:*:*:*:*", "matchCriteriaId": "80644B02-6794-437D-8E55-1F0BD2763E67", "versionEndExcluding": "0.12.6", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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)."}, {"lang": "es", "value": "Dependiendo de la forma en que sean dise\u00f1adas las cadenas de formato en la etiqueta de la tarjeta, es posible filtrar la memoria de la pila del kernel. Tambi\u00e9n se presenta la posibilidad de DoS debido a que el m\u00f3dulo del kernel v4l2loopback es bloqueado cuando es proporcionada la etiqueta de la tarjeta a petici\u00f3n (es reproducido, por ejemplo, con muchos modificadores %s en una fila)"}], "id": "CVE-2022-2652", "lastModified": "2026-06-17T04:42:17.237", "metrics": {"cvssMetricV30": [{"cvssData": {"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"}, "exploitabilityScore": 1.5, "impactScore": 5.3, "source": "security@huntr.dev", "type": "Secondary"}], "cvssMetricV31": [{"cvssData": {"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, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-08-04T10:15:07.990", "references": [{"source": "security@huntr.dev", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/umlaeute/v4l2loopback/commit/e4cd225557486c420f6a34411f98c575effd43dd"}, {"source": "security@huntr.dev", "tags": ["Exploit", "Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://huntr.dev/bounties/1b055da5-7a9e-4409-99d7-030280d242d5"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/umlaeute/v4l2loopback/commit/e4cd225557486c420f6a34411f98c575effd43dd"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://huntr.dev/bounties/1b055da5-7a9e-4409-99d7-030280d242d5"}], "sourceIdentifier": "security@huntr.dev", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-134"}], "source": "security@huntr.dev", "type": "Secondary"}]}

{}

{}