CVE-2024-32668 (GCVE-0-2024-32668)

Vulnerability from cvelistv5 – Published: 2024-09-05 04:42 – Updated: 2024-09-20 16:03
VLAI?
Summary
An insufficient boundary validation in the USB code could lead to an out-of-bounds write on the heap, with data controlled by the caller. A malicious, privileged software running in a guest VM can exploit the vulnerability to achieve code execution on the host in the bhyve userspace process, which typically runs as root. Note that bhyve runs in a Capsicum sandbox, so malicious code is constrained by the capabilities available to the bhyve process.
Severity ?
8.2 (High)
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CWE
Assigner
References
Impacted products
Vendor Product Version
FreeBSD FreeBSD Affected: 14.1-RELEASE , < p4 (release)
Affected: 14.0-RELEASE , < p10 (release)
Affected: 13.3-RELEASE , < p6 (release)
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Credits
Synacktiv The FreeBSD Foundation The Alpha-Omega Project
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Un software malicioso y privilegiado que se ejecute en una m\u00e1quina virtual invitada puede aprovechar la vulnerabilidad para lograr la ejecuci\u00f3n de c\u00f3digo en el host en el proceso de espacio de usuario bhyve, que normalmente se ejecuta como ra\u00edz. Tenga en cuenta que bhyve se ejecuta en un entorno aislado de Capsicum, por lo que el c\u00f3digo malicioso est\u00e1 limitado por las capacidades disponibles para el proceso bhyve.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H\",\"baseScore\":8.2,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"HIGH\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.5,\"impactScore\":6.0},{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H\",\"baseScore\":8.2,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"HIGH\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.5,\"impactScore\":6.0}]},\"weaknesses\":[{\"source\":\"secteam@freebsd.org\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-193\"},{\"lang\":\"en\",\"value\":\"CWE-787\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-787\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"13.0\",\"versionEndExcluding\":\"13.3\",\"matchCriteriaId\":\"E82CE719-C11D-4C34-BDF9-5AA704884289\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:freebsd:freebsd:13.3:-:*:*:*:*:*:*\",\"matchCriteriaId\":\"17DAE911-21E1-4182-85A0-B9F0059DDA7F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:freebsd:freebsd:13.3:p1:*:*:*:*:*:*\",\"matchCriteriaId\":\"ABEA48EC-24EA-4106-9465-CE66B938635F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:freebsd:freebsd:13.3:p2:*:*:*:*:*:*\",\"matchCriteriaId\":\"8DFB5BD0-E777-4CAA-B2E0-3F3357D06D01\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:freebsd:freebsd:13.3:p3:*:*:*:*:*:*\",\"matchCriteriaId\":\"BC8C769C-A23E-4F61-AC42-4DA64421B096\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:freebsd:freebsd:13.3:p4:*:*:*:*:*:*\",\"matchCriteriaId\":\"45B0589E-2E7D-4516-A8A0-88F30038EAB0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:freebsd:freebsd:13.3:p5:*:*:*:*:*:*\",\"matchCriteriaId\":\"C5CD8EF6-B119-488F-A278-8E9740E3E482\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:freebsd:freebsd:13.4:beta3:*:*:*:*:*:*\",\"matchCriteriaId\":\"2F52349C-6051-4CB9-8659-763A22C31640\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:freebsd:freebsd:14.0:-:*:*:*:*:*:*\",\"matchCriteriaId\":\"FA25530A-133C-4D7C-8993-D5C42D79A0B5\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:freebsd:freebsd:14.0:beta5:*:*:*:*:*:*\",\"matchCriteriaId\":\"DB7B021E-F4AD-44AC-96AB-8ACAF8AB1B88\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:freebsd:freebsd:14.0:p1:*:*:*:*:*:*\",\"matchCriteriaId\":\"69A72B5A-2189-4700-8E8B-1E5E7CA86C40\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:freebsd:freebsd:14.0:p2:*:*:*:*:*:*\",\"matchCriteriaId\":\"5771F187-281B-4680-B562-EFC7441A8F88\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:freebsd:freebsd:14.0:p3:*:*:*:*:*:*\",\"matchCriteriaId\":\"0A4437F5-9DDA-4769-974E-23BFA085E0DB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:freebsd:freebsd:14.0:p4:*:*:*:*:*:*\",\"matchCriteriaId\":\"A9C3A3D4-C9F4-41EB-B532-821AF83470B1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:freebsd:freebsd:14.0:p5:*:*:*:*:*:*\",\"matchCriteriaId\":\"878A1F0A-087F-47D7-9CA5-A54BB8D6676A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:freebsd:freebsd:14.0:p6:*:*:*:*:*:*\",\"matchCriteriaId\":\"CE73CDC3-B5A7-4921-89C6-8F9DC426CB3E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:freebsd:freebsd:14.0:p7:*:*:*:*:*:*\",\"matchCriteriaId\":\"50A5E650-31FB-45BE-8827-641B58A83E45\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:freebsd:freebsd:14.0:p8:*:*:*:*:*:*\",\"matchCriteriaId\":\"D59CFDD3-AEC3-43F1-A620-0B1F0BAD9048\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:freebsd:freebsd:14.0:p9:*:*:*:*:*:*\",\"matchCriteriaId\":\"44B8A489-6314-460D-90DA-AFB54298C8E6\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:freebsd:freebsd:14.0:rc3:*:*:*:*:*:*\",\"matchCriteriaId\":\"038E5B85-7F60-4D71-8D3F-EDBF6E036CE0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:freebsd:freebsd:14.0:rc4-p1:*:*:*:*:*:*\",\"matchCriteriaId\":\"BF309824-D379-4749-A1FA-BCB2987DD671\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:freebsd:freebsd:14.1:-:*:*:*:*:*:*\",\"matchCriteriaId\":\"79D770C6-7A57-4A49-8164-C55391F62301\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:freebsd:freebsd:14.1:p1:*:*:*:*:*:*\",\"matchCriteriaId\":\"AA813990-8C8F-4EE8-9F2B-9F73C510A7B2\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:freebsd:freebsd:14.1:p2:*:*:*:*:*:*\",\"matchCriteriaId\":\"D4DFA201-27D5-4C01-B90F-E24778943C3B\"},{\"vulnerable\":true,\"crit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Advisory\"]},{\"url\":\"https://security.netapp.com/advisory/ntap-20240920-0007/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://security.netapp.com/advisory/ntap-20240920-0007/\"}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-09-20T16:03:06.718Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"CHANGED\", \"version\": \"3.1\", \"baseScore\": 8.2, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"HIGH\", \"confidentialityImpact\": \"HIGH\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-32668\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-09-05T13:09:07.350550Z\"}}}], \"affected\": [{\"cpes\": [\"cpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:*\"], \"vendor\": \"freebsd\", \"product\": \"freebsd\", \"versions\": [{\"status\": \"affected\", \"version\": \"14.1\", \"lessThan\": \"14.1_p4\", \"versionType\": \"custom\"}, {\"status\": \"affected\", \"version\": \"14.0\", \"lessThan\": \"14.0_p10\", \"versionType\": \"custom\"}, {\"status\": \"affected\", \"version\": \"13.3\", \"lessThan\": \"13.3_p6\", \"versionType\": \"custom\"}], \"defaultStatus\": \"unknown\"}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-09-05T13:05:13.813Z\"}}], \"cna\": {\"title\": \"bhyve(8) privileged guest escape via USB controller\", \"credits\": [{\"lang\": \"en\", \"type\": \"finder\", \"value\": \"Synacktiv\"}, {\"lang\": \"en\", \"type\": \"sponsor\", \"value\": \"The FreeBSD Foundation\"}, {\"lang\": \"en\", \"type\": \"sponsor\", \"value\": \"The Alpha-Omega Project\"}], \"affected\": [{\"vendor\": \"FreeBSD\", \"modules\": [\"bhyve\"], \"product\": \"FreeBSD\", \"versions\": [{\"status\": \"affected\", \"version\": \"14.1-RELEASE\", \"lessThan\": \"p4\", \"versionType\": \"release\"}, {\"status\": \"affected\", \"version\": \"14.0-RELEASE\", \"lessThan\": \"p10\", \"versionType\": \"release\"}, {\"status\": \"affected\", \"version\": \"13.3-RELEASE\", \"lessThan\": \"p6\", \"versionType\": \"release\"}], \"defaultStatus\": \"unknown\"}], \"datePublic\": \"2024-09-04T23:37:20.000Z\", \"references\": [{\"url\": \"https://security.freebsd.org/advisories/FreeBSD-SA-24:12.bhyve.asc\", \"tags\": [\"vendor-advisory\"]}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"An insufficient boundary validation in the USB code could lead to an out-of-bounds write on the heap, with data controlled by the caller.\\n\\nA malicious, privileged software running in a guest VM can exploit the vulnerability to achieve code execution on the host in the bhyve userspace process, which typically runs as root. Note that bhyve runs in a Capsicum sandbox, so malicious code is constrained by the capabilities available to the bhyve process.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-193\", \"description\": \"CWE-193: Off-by-one Error\"}]}, {\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-787\", \"description\": \"CWE-787 Out-of-bounds Write\"}]}], \"providerMetadata\": {\"orgId\": \"63664ac6-956c-4cba-a5d0-f46076e16109\", \"shortName\": \"freebsd\", \"dateUpdated\": \"2024-09-05T04:42:25.457Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-32668\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-09-20T16:03:06.718Z\", \"dateReserved\": \"2024-08-27T16:30:56.016Z\", \"assignerOrgId\": \"63664ac6-956c-4cba-a5d0-f46076e16109\", \"datePublished\": \"2024-09-05T04:42:25.457Z\", \"assignerShortName\": \"freebsd\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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Sightings

Author Source Type Date

Nomenclature

  • 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.
  • 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.