2 lines
5.0 KiB
JSON
2 lines
5.0 KiB
JSON
{"affected":[{"affectedData":[{"product":"tar","vendor":"n/a","versions":[{"status":"affected","version":"1.33 and earlier"}]}],"source":"secalert@redhat.com"},{"affectedData":[{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"V3.1.5","status":"affected","version":"V3.1.0","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"V3.1.5","status":"affected","version":"V3.1.0","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"V3.1.5","status":"affected","version":"V3.1.0","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"V3.1.5","status":"affected","version":"V3.1.0","versionType":"custom"}]},{"defaultStatus":"unknown","product":"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"V3.1.5","status":"affected","version":"V3.1.0","versionType":"custom"}]}],"source":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:gnu:tar:*:*:*:*:*:*:*:*","matchCriteriaId":"27615E6C-D506-472C-9277-9E25BBC6CA7C","versionEndIncluding":"1.33","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"A flaw was found in the src/list.c of tar 1.33 and earlier. This flaw allows an attacker who can submit a crafted input file to tar to cause uncontrolled consumption of memory. The highest threat from this vulnerability is to system availability."},{"lang":"es","value":"Se detectó un fallo en el archivo src/list.c de tar versiones 1.33 y anteriores. Este fallo permite a un atacante que puede enviar un archivo de entrada diseñado a tar causar un consumo no controlado de memoria. La mayor amenaza de esta vulnerabilidad es la disponibilidad del sistema."}],"id":"CVE-2021-20193","lastModified":"2026-10-14T11:16:51.110","metrics":{"cvssMetricV2":[{"acInsufInfo":false,"baseSeverity":"MEDIUM","cvssData":{"accessComplexity":"MEDIUM","accessVector":"NETWORK","authentication":"NONE","availabilityImpact":"PARTIAL","baseScore":4.3,"confidentialityImpact":"NONE","integrityImpact":"NONE","vectorString":"AV:N/AC:M/Au:N/C:N/I:N/A:P","version":"2.0"},"exploitabilityScore":8.6,"impactScore":2.9,"obtainAllPrivilege":false,"obtainOtherPrivilege":false,"obtainUserPrivilege":false,"source":"nvd@nist.gov","type":"Primary","userInteractionRequired":true}],"cvssMetricV31":[{"cvssData":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"LOW","baseScore":3.3,"baseSeverity":"LOW","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","version":"3.1"},"exploitabilityScore":1.8,"impactScore":1.4,"source":"nvd@nist.gov","type":"Primary"}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"id":"CVE-2021-20193","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-10-08T21:00:52.960226Z","version":"2.0.3"}}]},"published":"2021-03-26T17:15:12.843","references":[{"source":"secalert@redhat.com","tags":["Issue Tracking","Patch","Third Party Advisory"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1917565"},{"source":"secalert@redhat.com","tags":["Mailing List","Patch","Third Party Advisory"],"url":"https://git.savannah.gnu.org/cgit/tar.git/commit/?id=d9d4435692150fa8ff68e1b1a473d187cc3fd777"},{"source":"secalert@redhat.com","tags":["Issue Tracking","Patch","Vendor Advisory"],"url":"https://savannah.gnu.org/bugs/?59897"},{"source":"secalert@redhat.com","tags":["Third Party Advisory"],"url":"https://security.gentoo.org/glsa/202105-29"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Issue Tracking","Patch","Third Party Advisory"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1917565"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Patch","Third Party Advisory"],"url":"https://git.savannah.gnu.org/cgit/tar.git/commit/?id=d9d4435692150fa8ff68e1b1a473d187cc3fd777"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Issue Tracking","Patch","Vendor Advisory"],"url":"https://savannah.gnu.org/bugs/?59897"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"],"url":"https://security.gentoo.org/glsa/202105-29"},{"source":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e","url":"https://cert-portal.siemens.com/productcert/html/ssa-398330.html"}],"sourceIdentifier":"secalert@redhat.com","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"CWE-401"}],"source":"secalert@redhat.com","type":"Secondary"},{"description":[{"lang":"en","value":"CWE-125"},{"lang":"en","value":"CWE-401"}],"source":"nvd@nist.gov","type":"Primary"}]}
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