cve-2024-8096
Vulnerability from cvelistv5
Published
2024-09-11 10:03
Modified
2024-11-14 17:02
Summary
When curl is told to use the Certificate Status Request TLS extension, often referred to as OCSP stapling, to verify that the server certificate is valid, it might fail to detect some OCSP problems and instead wrongly consider the response as fine. If the returned status reports another error than 'revoked' (like for example 'unauthorized') it is not treated as a bad certficate.
Impacted products
Vendor Product Version
curl curl Version: 8.9.1    8.9.1
Version: 8.9.0    8.9.0
Version: 8.8.0    8.8.0
Version: 8.7.1    8.7.1
Version: 8.7.0    8.7.0
Version: 8.6.0    8.6.0
Version: 8.5.0    8.5.0
Version: 8.4.0    8.4.0
Version: 8.3.0    8.3.0
Version: 8.2.1    8.2.1
Version: 8.2.0    8.2.0
Version: 8.1.2    8.1.2
Version: 8.1.1    8.1.1
Version: 8.1.0    8.1.0
Version: 8.0.1    8.0.1
Version: 8.0.0    8.0.0
Version: 7.88.1    7.88.1
Version: 7.88.0    7.88.0
Version: 7.87.0    7.87.0
Version: 7.86.0    7.86.0
Version: 7.85.0    7.85.0
Version: 7.84.0    7.84.0
Version: 7.83.1    7.83.1
Version: 7.83.0    7.83.0
Version: 7.82.0    7.82.0
Version: 7.81.0    7.81.0
Version: 7.80.0    7.80.0
Version: 7.79.1    7.79.1
Version: 7.79.0    7.79.0
Version: 7.78.0    7.78.0
Version: 7.77.0    7.77.0
Version: 7.76.1    7.76.1
Version: 7.76.0    7.76.0
Version: 7.75.0    7.75.0
Version: 7.74.0    7.74.0
Version: 7.73.0    7.73.0
Version: 7.72.0    7.72.0
Version: 7.71.1    7.71.1
Version: 7.71.0    7.71.0
Version: 7.70.0    7.70.0
Version: 7.69.1    7.69.1
Version: 7.69.0    7.69.0
Version: 7.68.0    7.68.0
Version: 7.67.0    7.67.0
Version: 7.66.0    7.66.0
Version: 7.65.3    7.65.3
Version: 7.65.2    7.65.2
Version: 7.65.1    7.65.1
Version: 7.65.0    7.65.0
Version: 7.64.1    7.64.1
Version: 7.64.0    7.64.0
Version: 7.63.0    7.63.0
Version: 7.62.0    7.62.0
Version: 7.61.1    7.61.1
Version: 7.61.0    7.61.0
Version: 7.60.0    7.60.0
Version: 7.59.0    7.59.0
Version: 7.58.0    7.58.0
Version: 7.57.0    7.57.0
Version: 7.56.1    7.56.1
Version: 7.56.0    7.56.0
Version: 7.55.1    7.55.1
Version: 7.55.0    7.55.0
Version: 7.54.1    7.54.1
Version: 7.54.0    7.54.0
Version: 7.53.1    7.53.1
Version: 7.53.0    7.53.0
Version: 7.52.1    7.52.1
Version: 7.52.0    7.52.0
Version: 7.51.0    7.51.0
Version: 7.50.3    7.50.3
Version: 7.50.2    7.50.2
Version: 7.50.1    7.50.1
Version: 7.50.0    7.50.0
Version: 7.49.1    7.49.1
Version: 7.49.0    7.49.0
Version: 7.48.0    7.48.0
Version: 7.47.1    7.47.1
Version: 7.47.0    7.47.0
Version: 7.46.0    7.46.0
Version: 7.45.0    7.45.0
Version: 7.44.0    7.44.0
Version: 7.43.0    7.43.0
Version: 7.42.1    7.42.1
Version: 7.42.0    7.42.0
Version: 7.41.0    7.41.0
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Show details on NVD website


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      "credits": [
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          "type": "finder",
          "value": "Hiroki Kurosawa"
        },
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          "type": "remediation developer",
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      ],
      "descriptions": [
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          "lang": "en",
          "value": "When curl is told to use the Certificate Status Request TLS extension, often referred to as OCSP stapling, to verify that the server certificate is valid, it might fail to detect some OCSP problems and instead wrongly consider the response as fine.  If the returned status reports another error than \u0027revoked\u0027 (like for example \u0027unauthorized\u0027) it is not treated as a bad certficate."
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        "orgId": "2499f714-1537-4658-8207-48ae4bb9eae9",
        "shortName": "curl"
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        },
        {
          "name": "issue",
          "url": "https://hackerone.com/reports/2669852"
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      ],
      "title": "OCSP stapling bypass with GnuTLS"
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  "cveMetadata": {
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    "assignerShortName": "curl",
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    "datePublished": "2024-09-11T10:03:59.489Z",
    "dateReserved": "2024-08-22T14:46:26.822Z",
    "dateUpdated": "2024-11-14T17:02:37.437Z",
    "state": "PUBLISHED"
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  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-8096\",\"sourceIdentifier\":\"2499f714-1537-4658-8207-48ae4bb9eae9\",\"published\":\"2024-09-11T10:15:02.883\",\"lastModified\":\"2024-11-21T09:52:40.063\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"When curl is told to use the Certificate Status Request TLS extension, often referred to as OCSP stapling, to verify that the server certificate is valid, it might fail to detect some OCSP problems and instead wrongly consider the response as fine.  If the returned status reports another error than \u0027revoked\u0027 (like for example \u0027unauthorized\u0027) it is not treated as a bad certficate.\"},{\"lang\":\"es\",\"value\":\"Cuando se le indica a curl que utilice la extensi\u00f3n TLS de solicitud de estado de certificado, a menudo denominada como grapado OCSP, para verificar que el certificado del servidor es v\u00e1lido, es posible que no detecte algunos problemas de OCSP y, en cambio, considere err\u00f3neamente que la respuesta es correcta. Si el estado devuelto informa un error distinto de \\\"revocado\\\" (como, por ejemplo, \\\"no autorizado\\\"), no se trata como un certificado incorrecto.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N\",\"baseScore\":6.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":3.9,\"impactScore\":2.5}]},\"weaknesses\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-295\"}]}],\"references\":[{\"url\":\"https://curl.se/docs/CVE-2024-8096.html\",\"source\":\"2499f714-1537-4658-8207-48ae4bb9eae9\"},{\"url\":\"https://curl.se/docs/CVE-2024-8096.json\",\"source\":\"2499f714-1537-4658-8207-48ae4bb9eae9\"},{\"url\":\"https://hackerone.com/reports/2669852\",\"source\":\"2499f714-1537-4658-8207-48ae4bb9eae9\"},{\"url\":\"http://www.openwall.com/lists/oss-security/2024/09/11/1\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://lists.debian.org/debian-lts-announce/2024/11/msg00008.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://security.netapp.com/advisory/ntap-20241011-0005/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"http://www.openwall.com/lists/oss-security/2024/09/11/1\"}, {\"url\": \"https://security.netapp.com/advisory/ntap-20241011-0005/\"}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2024/11/msg00008.html\"}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-11-14T17:02:37.437Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 6.5, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N\", \"integrityImpact\": \"LOW\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"NONE\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"LOW\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-8096\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-09-11T13:42:47.908850Z\"}}}], \"affected\": [{\"cpes\": [\"cpe:2.3:a:curl:curl:*:*:*:*:*:*:*:*\"], \"vendor\": \"curl\", \"product\": \"curl\", \"versions\": [{\"status\": \"affected\", \"version\": \"7.41.0\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"8.9.1\"}], \"defaultStatus\": \"unknown\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-295\", \"description\": \"CWE-295 Improper Certificate Validation\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-09-11T13:46:16.524Z\"}}], \"cna\": {\"title\": \"OCSP stapling bypass with GnuTLS\", \"credits\": [{\"lang\": \"en\", \"type\": \"finder\", \"value\": \"Hiroki Kurosawa\"}, {\"lang\": \"en\", \"type\": \"remediation developer\", \"value\": \"Daniel Stenberg\"}], \"affected\": [{\"vendor\": \"curl\", \"product\": \"curl\", \"versions\": [{\"status\": \"affected\", \"version\": \"8.9.1\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"8.9.1\"}, {\"status\": \"affected\", \"version\": \"8.9.0\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"8.9.0\"}, {\"status\": \"affected\", \"version\": \"8.8.0\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"8.8.0\"}, {\"status\": \"affected\", \"version\": \"8.7.1\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"8.7.1\"}, {\"status\": \"affected\", \"version\": \"8.7.0\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"8.7.0\"}, {\"status\": \"affected\", \"version\": \"8.6.0\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"8.6.0\"}, {\"status\": \"affected\", \"version\": \"8.5.0\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"8.5.0\"}, {\"status\": \"affected\", \"version\": \"8.4.0\", 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\"7.41.0\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"7.41.0\"}], \"defaultStatus\": \"unaffected\"}], \"references\": [{\"url\": \"https://curl.se/docs/CVE-2024-8096.json\", \"name\": \"json\"}, {\"url\": \"https://curl.se/docs/CVE-2024-8096.html\", \"name\": \"www\"}, {\"url\": \"https://hackerone.com/reports/2669852\", \"name\": \"issue\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"When curl is told to use the Certificate Status Request TLS extension, often referred to as OCSP stapling, to verify that the server certificate is valid, it might fail to detect some OCSP problems and instead wrongly consider the response as fine.  If the returned status reports another error than \u0027revoked\u0027 (like for example \u0027unauthorized\u0027) it is not treated as a bad certficate.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"description\": \"CWE-295 Improper Certificate Validation\"}]}], \"providerMetadata\": {\"orgId\": \"2499f714-1537-4658-8207-48ae4bb9eae9\", \"shortName\": \"curl\", \"dateUpdated\": \"2024-09-11T10:03:59.489Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-8096\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-11-14T17:02:37.437Z\", \"dateReserved\": \"2024-08-22T14:46:26.822Z\", \"assignerOrgId\": \"2499f714-1537-4658-8207-48ae4bb9eae9\", \"datePublished\": \"2024-09-11T10:03:59.489Z\", \"assignerShortName\": \"curl\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.