{"containers": {"cna": {"affected": [{"product": "dnsmasq", "vendor": "n/a", "versions": [{"status": "affected", "version": "Not-Known"}]}], "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."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-416", "description": "CWE-416 - Use After Free", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2022-08-29T14:03:02", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2057075"}, {"tags": ["x_refsource_MISC"], "url": "https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016272.html"}, {"tags": ["x_refsource_MISC"], "url": "https://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commit%3Bh=03345ecefeb0d82e3c3a4c28f27c3554f0611b39"}, {"tags": ["x_refsource_MISC"], "url": "https://access.redhat.com/security/cve/CVE-2022-0934"}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T23:47:43.122Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2057075"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016272.html"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commit%3Bh=03345ecefeb0d82e3c3a4c28f27c3554f0611b39"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://access.redhat.com/security/cve/CVE-2022-0934"}]}]}, "cveMetadata": {"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2022-0934", "datePublished": "2022-08-29T14:03:02", "dateReserved": "2022-03-11T00:00:00", "dateUpdated": "2024-08-02T23:47:43.122Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:thekelleys:dnsmasq:*:*:*:*:*:*:*:*", "matchCriteriaId": "D7313DE5-EF30-46AC-81F4-5F28B7F2F1AA", "versionEndExcluding": "2.87", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"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", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "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"}], "id": "CVE-2022-0934", "lastModified": "2024-11-21T06:39:41.650", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-08-29T15:15:10.087", "references": [{"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/security/cve/CVE-2022-0934"}, {"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2057075"}, {"source": "secalert@redhat.com", "tags": ["Mailing List", "Vendor Advisory"], "url": "https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016272.html"}, {"source": "secalert@redhat.com", "tags": ["Broken Link"], "url": "https://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commit%3Bh=03345ecefeb0d82e3c3a4c28f27c3554f0611b39"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/security/cve/CVE-2022-0934"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2057075"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Vendor Advisory"], "url": "https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016272.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link"], "url": "https://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commit%3Bh=03345ecefeb0d82e3c3a4c28f27c3554f0611b39"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "secalert@redhat.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-416"}], "source": "nvd@nist.gov", "type": "Secondary"}]}

{"acknowledgement": "This issue was discovered by Petr Men\u0161\u00edk (Red Hat, Inc.) and Richard Johnson (Trellix Threat Labs).", "affected_release": [{"advisory": "RHSA-2022:7633", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "dnsmasq-0:2.79-24.el8", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2022-11-08T00:00:00Z"}, {"advisory": "RHSA-2024:1545", "cpe": "cpe:/a:redhat:rhel_eus:8.6", "package": "dnsmasq-0:2.79-21.el8_6.5", "product_name": "Red Hat Enterprise Linux 8.6 Extended Update Support", "release_date": "2024-03-27T00:00:00Z"}, {"advisory": "RHSA-2022:8070", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "dnsmasq-0:2.85-5.el9", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2022-11-15T00:00:00Z"}], "bugzilla": {"description": "dnsmasq: Heap use after free in dhcp6_no_relay", "id": "2057075", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2057075"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-416", "details": ["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.", "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."], "name": "CVE-2022-0934", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "dnsmasq", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "dnsmasq", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/a:redhat:openstack:13", "fix_state": "Out of support scope", "package_name": "dnsmasq", "product_name": "Red Hat OpenStack Platform 13 (Queens)"}], "public_date": "2022-03-28T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-0934\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-0934\nhttps://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2022q1/016272.html"], "statement": "The severity of this flaw was set to Moderate because this is a 1-byte out-of-bounds write/use-after-free issue where the attacker does not control the data written (it is predefined in a header file). The highest impact is only to availability.", "threat_severity": "Moderate"}