CVE-2015-3294

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:thekelleys:dnsmasq:*:rc3:*:*:*:*:*:*", "matchCriteriaId": "D4E32044-8F2B-48B6-8D85-46B7D62C3A87", "versionEndIncluding": "2.73", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:oracle:solaris:11.2:*:*:*:*:*:*:*", "matchCriteriaId": "0B1C288F-326B-497B-B26C-D26E01262DDB", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The tcp_request function in Dnsmasq before 2.73rc4 does not properly handle the return value of the setup_reply function, which allows remote attackers to read process memory and cause a denial of service (out-of-bounds read and crash) via a malformed DNS request."}, {"lang": "es", "value": "La funci\u00f3n tcp_request en Dnsmasq anterior a 2.73rc4 no maneja correctamente el valor de retorno de la funci\u00f3n setup_reply, lo que permite a atacantes remotos leer la memoria de procesos y causar una denegaci\u00f3n de servicio (lectura fuera de rango y ca\u00edda) a trav\u00e9s de una solicitud DNS malformada."}], "id": "CVE-2015-3294", "lastModified": "2026-06-17T00:25:41.243", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.4, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 4.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2015-05-08T14:59:05.527", "references": [{"source": "cve@mitre.org", "url": "http://lists.opensuse.org/opensuse-updates/2015-05/msg00013.html"}, {"source": "cve@mitre.org", "tags": ["Exploit"], "url": "http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2015q2/009382.html"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2015q2/009387.html"}, {"source": "cve@mitre.org", "url": "http://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commitdiff%3Bh=ad4a8ff7d9097008d7623df8543df435bfddeac8"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "http://www.debian.org/security/2015/dsa-3251"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html"}, {"source": "cve@mitre.org", "url": "http://www.securityfocus.com/archive/1/535354/100/1100/threaded"}, {"source": "cve@mitre.org", "url": "http://www.securityfocus.com/bid/74452"}, {"source": "cve@mitre.org", "url": "http://www.securitytracker.com/id/1032195"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "http://www.ubuntu.com/usn/USN-2593-1"}, {"source": "cve@mitre.org", "url": "https://security.gentoo.org/glsa/201512-01"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.opensuse.org/opensuse-updates/2015-05/msg00013.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit"], "url": "http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2015q2/009382.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2015q2/009387.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commitdiff%3Bh=ad4a8ff7d9097008d7623df8543df435bfddeac8"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://www.debian.org/security/2015/dsa-3251"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/archive/1/535354/100/1100/threaded"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/74452"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securitytracker.com/id/1032195"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://www.ubuntu.com/usn/USN-2593-1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.gentoo.org/glsa/201512-01"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-19"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "dnsmasq: unchecked return value of the setup_reply() function", "id": "1215747", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1215747"}, "csaw": false, "cvss": {"cvss_base_score": "4.3", "cvss_scoring_vector": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "status": "draft"}, "cwe": "CWE-252", "details": ["The tcp_request function in Dnsmasq before 2.73rc4 does not properly handle the return value of the setup_reply function, which allows remote attackers to read process memory and cause a denial of service (out-of-bounds read and crash) via a malformed DNS request."], "name": "CVE-2015-3294", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Will not fix", "package_name": "dnsmasq", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Will not fix", "package_name": "dnsmasq", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Will not fix", "package_name": "dnsmasq", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/a:redhat:openstack:5::el6", "fix_state": "Will not fix", "package_name": "dnsmasq", "product_name": "Red Hat Enterprise Linux OpenStack Platform 5 (Icehouse)"}, {"cpe": "cpe:/a:redhat:openstack:6", "fix_state": "Will not fix", "package_name": "dnsmasq", "product_name": "Red Hat Enterprise Linux OpenStack Platform 6 (Juno)"}, {"cpe": "cpe:/a:redhat:openstack:4", "fix_state": "Will not fix", "package_name": "dnsmasq", "product_name": "Red Hat OpenStack Platform 4"}], "public_date": "2015-04-23T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2015-3294\nhttps://nvd.nist.gov/vuln/detail/CVE-2015-3294\nhttps://www.obrela.com/home/security-labs/advisories/osi-advisory-osi-1502/"], "threat_severity": "Moderate"}

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