CVE-2022-42321
Vulnerability from cvelistv5
Published
2022-11-01 00:00
Modified
2024-08-03 13:03
Severity ?
EPSS score ?
Summary
Xenstore: Guests can crash xenstored via exhausting the stack Xenstored is using recursion for some Xenstore operations (e.g. for deleting a sub-tree of Xenstore nodes). With sufficiently deep nesting levels this can result in stack exhaustion on xenstored, leading to a crash of xenstored.
References
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With sufficiently deep nesting levels this can result in stack exhaustion on xenstored, leading to a crash of xenstored." } ], "metrics": [ { "other": { "content": { "description": { "description_data": [ { "lang": "eng", "value": "A malicious guest creating very deep nesting levels of Xenstore nodes\nmight be able to crash xenstored, resulting in a Denial of Service (DoS)\nof Xenstore.\n\nThis will inhibit creation of new guests or changing the configuration of\nalready running guests." } ] } }, "type": "unknown" } } ], "problemTypes": [ { "descriptions": [ { "description": "unknown", "lang": "en", "type": "text" } ] } ], "providerMetadata": { "dateUpdated": "2024-02-04T08:07:35.778657", "orgId": "23aa2041-22e1-471f-9209-9b7396fa234f", "shortName": "XEN" }, "references": [ { "url": "https://xenbits.xenproject.org/xsa/advisory-418.txt" }, { "url": "http://xenbits.xen.org/xsa/advisory-418.html" }, { "name": "[oss-security] 20221101 Xen Security Advisory 418 v2 (CVE-2022-42321) - Xenstore: Guests can crash xenstored via exhausting the stack", "tags": [ "mailing-list" ], "url": "http://www.openwall.com/lists/oss-security/2022/11/01/8" }, { "name": "DSA-5272", "tags": [ "vendor-advisory" ], "url": "https://www.debian.org/security/2022/dsa-5272" }, { "name": "FEDORA-2022-07438e12df", "tags": [ "vendor-advisory" ], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZLI2NPNEH7CNJO3VZGQNOI4M4EWLNKPZ/" }, { "name": "FEDORA-2022-99af00f60e", "tags": [ "vendor-advisory" ], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YZVXG7OOOXCX6VIPEMLFDPIPUTFAYWPE/" }, { "name": "FEDORA-2022-9f51d13fa3", "tags": [ "vendor-advisory" ], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YTMITQBGC23MSDHUCAPCVGLMVXIBXQTQ/" }, { "name": "GLSA-202402-07", "tags": [ "vendor-advisory" ], "url": "https://security.gentoo.org/glsa/202402-07" } ] } }, "cveMetadata": { "assignerOrgId": "23aa2041-22e1-471f-9209-9b7396fa234f", "assignerShortName": "XEN", "cveId": "CVE-2022-42321", "datePublished": "2022-11-01T00:00:00", "dateReserved": "2022-10-03T00:00:00", "dateUpdated": "2024-08-03T13:03:45.928Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2022-42321\",\"sourceIdentifier\":\"security@xen.org\",\"published\":\"2022-11-01T13:15:11.870\",\"lastModified\":\"2024-02-04T08:15:12.390\",\"vulnStatus\":\"Modified\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"Xenstore: Guests can crash xenstored via exhausting the stack Xenstored is using recursion for some Xenstore operations (e.g. for deleting a sub-tree of Xenstore nodes). With sufficiently deep nesting levels this can result in stack exhaustion on xenstored, leading to a crash of xenstored.\"},{\"lang\":\"es\",\"value\":\"Xenstore: los invitados pueden bloquear xenstored al agotar la pila. Xenstored utiliza la recursividad para algunas operaciones de Xenstore (por ejemplo, para eliminar un sub\u00e1rbol de nodos de Xenstore). Con niveles de anidamiento suficientemente profundos, esto puede provocar el agotamiento de la pila en xenstored, lo que provocar\u00e1 un fallo de xenstored.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":6.5,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":2.0,\"impactScore\":4.0}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-674\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:xen:xen:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"BFA1950D-1D9F-4401-AA86-CF3028EFD286\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"FA6FEEC2-9F11-4643-8827-749718254FED\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"80E516C0-98A4-4ADE-B69F-66A772E2BAAA\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"5C675112-476C-4D7C-BCB9-A2FB2D0BC9FD\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E30D0E6F-4AE8-4284-8716-991DFA48CC5D\"}]}]}],\"references\":[{\"url\":\"http://www.openwall.com/lists/oss-security/2022/11/01/8\",\"source\":\"security@xen.org\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"http://xenbits.xen.org/xsa/advisory-418.html\",\"source\":\"security@xen.org\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YTMITQBGC23MSDHUCAPCVGLMVXIBXQTQ/\",\"source\":\"security@xen.org\"},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YZVXG7OOOXCX6VIPEMLFDPIPUTFAYWPE/\",\"source\":\"security@xen.org\"},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZLI2NPNEH7CNJO3VZGQNOI4M4EWLNKPZ/\",\"source\":\"security@xen.org\"},{\"url\":\"https://security.gentoo.org/glsa/202402-07\",\"source\":\"security@xen.org\"},{\"url\":\"https://www.debian.org/security/2022/dsa-5272\",\"source\":\"security@xen.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://xenbits.xenproject.org/xsa/advisory-418.txt\",\"source\":\"security@xen.org\",\"tags\":[\"Patch\",\"Vendor Advisory\"]}]}}" } }
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Sightings
Author | Source | Type | Date |
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- 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.