fkie_cve-2021-42377
Vulnerability from fkie_nvd
Published
2021-11-15 21:15
Modified
2024-11-21 06:27
Severity ?
Summary
An attacker-controlled pointer free in Busybox's hush applet leads to denial of service and possible code execution when processing a crafted shell command, due to the shell mishandling the &&& string. This may be used for remote code execution under rare conditions of filtered command input.
References
Impacted products
Vendor | Product | Version | |
---|---|---|---|
busybox | busybox | 1.33.0 | |
busybox | busybox | 1.33.1 | |
fedoraproject | fedora | 33 | |
fedoraproject | fedora | 34 | |
netapp | cloud_backup | - | |
netapp | hci_management_node | - | |
netapp | solidfire | - | |
netapp | h300s_firmware | - | |
netapp | h300s | - | |
netapp | h500s_firmware | - | |
netapp | h500s | - | |
netapp | h700s_firmware | - | |
netapp | h700s | - | |
netapp | h300e_firmware | - | |
netapp | h300e | - | |
netapp | h500e_firmware | - | |
netapp | h500e | - | |
netapp | h700e_firmware | - | |
netapp | h700e | - | |
netapp | h410s_firmware | - | |
netapp | h410s | - |
{ configurations: [ { nodes: [ { cpeMatch: [ { criteria: "cpe:2.3:a:busybox:busybox:1.33.0:*:*:*:*:*:*:*", matchCriteriaId: "2A337F0B-E3EA-4176-A7D5-72FF7D4F9467", vulnerable: true, }, { criteria: "cpe:2.3:a:busybox:busybox:1.33.1:*:*:*:*:*:*:*", matchCriteriaId: "4E183752-159F-467F-9DCB-B7AED9DC2288", vulnerable: true, }, ], negate: false, operator: "OR", }, ], }, { nodes: [ { cpeMatch: [ { criteria: "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*", matchCriteriaId: "E460AA51-FCDA-46B9-AE97-E6676AA5E194", vulnerable: true, }, { criteria: "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*", matchCriteriaId: "A930E247-0B43-43CB-98FF-6CE7B8189835", vulnerable: true, }, ], negate: false, operator: "OR", }, ], }, { nodes: [ { cpeMatch: [ { criteria: "cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*", matchCriteriaId: "5C2089EE-5D7F-47EC-8EA5-0F69790564C4", vulnerable: true, }, { criteria: "cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:*", matchCriteriaId: "A3C19813-E823-456A-B1CE-EC0684CE1953", vulnerable: true, }, { criteria: "cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:*", matchCriteriaId: "A6E9EF0C-AFA8-4F7B-9FDC-1E0F7C26E737", vulnerable: true, }, ], negate: false, operator: "OR", }, ], }, { nodes: [ { cpeMatch: [ { criteria: "cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*", matchCriteriaId: "6770B6C3-732E-4E22-BF1C-2D2FD610061C", vulnerable: true, }, ], negate: false, operator: "OR", }, { cpeMatch: [ { criteria: "cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:*", matchCriteriaId: "9F9C8C20-42EB-4AB5-BD97-212DEB070C43", vulnerable: false, }, ], negate: false, operator: "OR", }, ], operator: "AND", }, { nodes: [ { cpeMatch: [ { criteria: "cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*", matchCriteriaId: "7FFF7106-ED78-49BA-9EC5-B889E3685D53", vulnerable: true, }, ], negate: false, operator: "OR", }, { cpeMatch: [ { criteria: "cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:*", matchCriteriaId: "E63D8B0F-006E-4801-BF9D-1C001BBFB4F9", vulnerable: false, }, ], negate: false, operator: "OR", }, ], operator: "AND", }, { nodes: [ { cpeMatch: [ { criteria: "cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*", matchCriteriaId: "56409CEC-5A1E-4450-AA42-641E459CC2AF", vulnerable: true, }, ], negate: false, operator: "OR", }, { cpeMatch: [ { criteria: "cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:*", matchCriteriaId: "B06F4839-D16A-4A61-9BB5-55B13F41E47F", vulnerable: false, }, ], negate: false, operator: "OR", }, ], operator: "AND", }, { nodes: [ { cpeMatch: [ { criteria: "cpe:2.3:o:netapp:h300e_firmware:-:*:*:*:*:*:*:*", matchCriteriaId: "108A2215-50FB-4074-94CF-C130FA14566D", vulnerable: true, }, ], negate: false, operator: "OR", }, { cpeMatch: [ { criteria: "cpe:2.3:h:netapp:h300e:-:*:*:*:*:*:*:*", matchCriteriaId: "7AFC73CE-ABB9-42D3-9A71-3F5BC5381E0E", vulnerable: false, }, ], negate: false, operator: "OR", }, ], operator: "AND", }, { nodes: [ { cpeMatch: [ { criteria: "cpe:2.3:o:netapp:h500e_firmware:-:*:*:*:*:*:*:*", matchCriteriaId: "32F0B6C0-F930-480D-962B-3F4EFDCC13C7", vulnerable: true, }, ], negate: false, operator: "OR", }, { cpeMatch: [ { criteria: "cpe:2.3:h:netapp:h500e:-:*:*:*:*:*:*:*", matchCriteriaId: "803BC414-B250-4E3A-A478-A3881340D6B8", vulnerable: false, }, ], negate: false, operator: "OR", }, ], operator: "AND", }, { nodes: [ { cpeMatch: [ { criteria: "cpe:2.3:o:netapp:h700e_firmware:-:*:*:*:*:*:*:*", matchCriteriaId: "0FEB3337-BFDE-462A-908B-176F92053CEC", vulnerable: true, }, ], negate: false, operator: "OR", }, { cpeMatch: [ { criteria: "cpe:2.3:h:netapp:h700e:-:*:*:*:*:*:*:*", matchCriteriaId: "736AEAE9-782B-4F71-9893-DED53367E102", vulnerable: false, }, ], negate: false, operator: "OR", }, ], operator: "AND", }, { nodes: [ { cpeMatch: [ { criteria: "cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*", matchCriteriaId: "D0B4AD8A-F172-4558-AEC6-FF424BA2D912", vulnerable: true, }, ], negate: false, operator: "OR", }, { cpeMatch: [ { criteria: "cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:*", matchCriteriaId: "8497A4C9-8474-4A62-8331-3FE862ED4098", vulnerable: false, }, ], negate: false, operator: "OR", }, ], operator: "AND", }, ], cveTags: [], descriptions: [ { lang: "en", value: "An attacker-controlled pointer free in Busybox's hush applet leads to denial of service and possible code execution when processing a crafted shell command, due to the shell mishandling the &&& string. This may be used for remote code execution under rare conditions of filtered command input.", }, { lang: "es", value: "Un puntero libre controlado por un atacante en el applet hush de Busybox conlleva a una denegación de servicio y una posible ejecución de código cuando es procesado un comando shell diseñado, debido a que el shell maneja inapropiadamente la cadena &&&. Esto puede ser usado para una ejecución de código remota bajo condiciones raras de entrada de comandos filtrados", }, ], id: "CVE-2021-42377", lastModified: "2024-11-21T06:27:41.657", metrics: { cvssMetricV2: [ { acInsufInfo: false, baseSeverity: "MEDIUM", cvssData: { accessComplexity: "MEDIUM", accessVector: "NETWORK", authentication: "NONE", availabilityImpact: "PARTIAL", baseScore: 6.8, confidentialityImpact: "PARTIAL", integrityImpact: "PARTIAL", vectorString: "AV:N/AC:M/Au:N/C:P/I:P/A:P", version: "2.0", }, exploitabilityScore: 8.6, impactScore: 6.4, obtainAllPrivilege: false, obtainOtherPrivilege: false, obtainUserPrivilege: false, source: "nvd@nist.gov", type: "Primary", userInteractionRequired: false, }, ], cvssMetricV31: [ { cvssData: { attackComplexity: "LOW", attackVector: "NETWORK", availabilityImpact: "HIGH", baseScore: 9.8, baseSeverity: "CRITICAL", confidentialityImpact: "HIGH", integrityImpact: "HIGH", privilegesRequired: "NONE", scope: "UNCHANGED", userInteraction: "NONE", vectorString: "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", version: "3.1", }, exploitabilityScore: 3.9, impactScore: 5.9, source: "nvd@nist.gov", type: "Primary", }, ], }, published: "2021-11-15T21:15:07.700", references: [ { source: "reefs@jfrog.com", url: "https://claroty.com/team82/research/unboxing-busybox-14-vulnerabilities-uncovered-by-claroty-jfrog", }, { source: "reefs@jfrog.com", tags: [ "Third Party Advisory", ], url: "https://jfrog.com/blog/unboxing-busybox-14-new-vulnerabilities-uncovered-by-claroty-and-jfrog/", }, { source: "reefs@jfrog.com", url: "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6T2TURBYYJGBMQTTN2DSOAIQGP7WCPGV/", }, { source: "reefs@jfrog.com", url: "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UQXGOGWBIYWOIVXJVRKHZR34UMEHQBXS/", }, { source: "reefs@jfrog.com", tags: [ "Third Party Advisory", ], url: "https://security.netapp.com/advisory/ntap-20211223-0002/", }, { source: "af854a3a-2127-422b-91ae-364da2661108", url: "https://claroty.com/team82/research/unboxing-busybox-14-vulnerabilities-uncovered-by-claroty-jfrog", }, { source: "af854a3a-2127-422b-91ae-364da2661108", tags: [ "Third Party Advisory", ], url: "https://jfrog.com/blog/unboxing-busybox-14-new-vulnerabilities-uncovered-by-claroty-and-jfrog/", }, { source: "af854a3a-2127-422b-91ae-364da2661108", url: "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6T2TURBYYJGBMQTTN2DSOAIQGP7WCPGV/", }, { source: "af854a3a-2127-422b-91ae-364da2661108", url: "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UQXGOGWBIYWOIVXJVRKHZR34UMEHQBXS/", }, { source: "af854a3a-2127-422b-91ae-364da2661108", tags: [ "Third Party Advisory", ], url: "https://security.netapp.com/advisory/ntap-20211223-0002/", }, ], sourceIdentifier: "reefs@jfrog.com", vulnStatus: "Modified", weaknesses: [ { description: [ { lang: "en", value: "CWE-590", }, ], source: "reefs@jfrog.com", type: "Secondary", }, { description: [ { lang: "en", value: "CWE-763", }, ], source: "nvd@nist.gov", type: "Primary", }, ], }
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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.
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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.