{ "id": "CVE-2022-0934", "sourceIdentifier": "secalert@redhat.com", "published": "2022-08-29T15:15:10.087", "lastModified": "2023-03-07T18:12:18.377", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "A single-byte, non-arbitrary write/use-after-free flaw was found in dnsmasq. This flaw allows an attacker who sends a crafted packet processed by dnsmasq, potentially causing a denial of service." }, { "lang": "es", "value": "En dnsmasq ha sido encontrado un fallo de escritura/uso de memoria previamente liberada de un byte no arbitrario. Este fallo permite a un atacante que env\u00ede un paquete dise\u00f1ado procesado por dnsmasq, causando potencialmente una denegaci\u00f3n de servicio" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH" }, "exploitabilityScore": 3.9, "impactScore": 3.6 } ] }, "weaknesses": [ { "source": "secalert@redhat.com", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-416" } ] }, { "source": "nvd@nist.gov", "type": "Secondary", "description": [ { "lang": "en", "value": "CWE-416" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:thekelleys:dnsmasq:*:*:*:*:*:*:*:*", "versionEndExcluding": "2.87", "matchCriteriaId": "D7313DE5-EF30-46AC-81F4-5F28B7F2F1AA" } ] } ] }, { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*", "matchCriteriaId": "F4CFF558-3C47-480D-A2F0-BABF26042943" }, { "vulnerable": true, "criteria": "cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*", "matchCriteriaId": "7F6FB57C-2BC7-487C-96DD-132683AEB35D" } ] } ] } ], "references": [ { "url": "https://access.redhat.com/security/cve/CVE-2022-0934", "source": "secalert@redhat.com", "tags": [ "Third Party Advisory" ] }, { "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2057075", "source": "secalert@redhat.com", "tags": [ "Issue Tracking", "Patch", "Third Party Advisory" ] }, { "url": "https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016272.html", "source": "secalert@redhat.com", "tags": [ "Mailing List", "Vendor Advisory" ] }, { "url": "https://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commit%3Bh=03345ecefeb0d82e3c3a4c28f27c3554f0611b39", "source": "secalert@redhat.com", "tags": [ "Broken Link" ] } ] }