fkie_cve-2021-42380
Vulnerability from fkie_nvd
Published
2021-11-15 21:15
Modified
2024-11-21 06:27
Severity ?
Summary
A use-after-free in Busybox's awk applet leads to denial of service and possibly code execution when processing a crafted awk pattern in the clrvar function
References
Impacted products
Vendor | Product | Version | |
---|---|---|---|
busybox | busybox | * | |
fedoraproject | fedora | 33 | |
fedoraproject | fedora | 34 |
{ configurations: [ { nodes: [ { cpeMatch: [ { criteria: "cpe:2.3:a:busybox:busybox:*:*:*:*:*:*:*:*", matchCriteriaId: "D01E0DEB-C663-4EFF-B66C-BEB19EE6BF0C", versionEndIncluding: "1.33.1", versionStartIncluding: "1.28.0", 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", }, ], }, ], cveTags: [], descriptions: [ { lang: "en", value: "A use-after-free in Busybox's awk applet leads to denial of service and possibly code execution when processing a crafted awk pattern in the clrvar function", }, { lang: "es", value: "Un uso de memoria previamente liberada en el applet awk de Busybox conduce a la denegación de servicio y posiblemente a una ejecución de código cuando es procesado un patrón awk diseñado en la función clrvar", }, ], id: "CVE-2021-42380", lastModified: "2024-11-21T06:27:42.030", metrics: { cvssMetricV2: [ { acInsufInfo: false, baseSeverity: "MEDIUM", cvssData: { accessComplexity: "LOW", accessVector: "NETWORK", authentication: "SINGLE", availabilityImpact: "PARTIAL", baseScore: 6.5, confidentialityImpact: "PARTIAL", integrityImpact: "PARTIAL", vectorString: "AV:N/AC:L/Au:S/C:P/I:P/A:P", version: "2.0", }, exploitabilityScore: 8, 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: 7.2, baseSeverity: "HIGH", confidentialityImpact: "HIGH", integrityImpact: "HIGH", privilegesRequired: "HIGH", scope: "UNCHANGED", userInteraction: "NONE", vectorString: "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", version: "3.1", }, exploitabilityScore: 1.2, impactScore: 5.9, source: "nvd@nist.gov", type: "Primary", }, ], }, published: "2021-11-15T21:15:07.857", 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-416", }, ], source: "reefs@jfrog.com", type: "Secondary", }, { description: [ { lang: "en", value: "CWE-416", }, ], source: "nvd@nist.gov", type: "Primary", }, ], }
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Sightings
Author | Source | Type | Date |
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Nomenclature
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