CVE-2021-4184

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{"affected": [{"affectedData": [{"product": "Wireshark", "vendor": "Wireshark Foundation", "versions": [{"status": "affected", "version": "=3.6.0"}, {"status": "affected", "version": ">=3.4.0, <3.4.10"}]}], "source": "cve@gitlab.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*", "matchCriteriaId": "83F60A42-E459-4528-90B6-E44ED732B1B2", "versionEndIncluding": "3.4.10", "versionStartIncluding": "3.4.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:wireshark:wireshark:3.6.0:*:*:*:*:*:*:*", "matchCriteriaId": "0A897845-0C8C-46EA-B65A-C7AE826074F4", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*", "matchCriteriaId": "A930E247-0B43-43CB-98FF-6CE7B8189835", "vulnerable": true}, {"criteria": "cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*", "matchCriteriaId": "80E516C0-98A4-4ADE-B69F-66A772E2BAAA", "vulnerable": true}], "negate": 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bucle infinito en BitTorrent DHT dissector en Wireshark versiones 3.6.0 y 3.4.0 a 3.4.10, permite una denegaci\u00f3n de servicio por medio de una inyecci\u00f3n de paquetes o de un archivo de captura dise\u00f1ado.\n"}], "id": "CVE-2021-4184", "lastModified": "2026-06-17T04:19:10.523", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "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": "cve@gitlab.com", "type": "Secondary"}, {"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": "2021-12-30T22:15:10.307", "references": [{"source": "cve@gitlab.com", "tags": ["Third Party Advisory"], "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-4184.json"}, {"source": "cve@gitlab.com", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "url": "https://gitlab.com/wireshark/wireshark/-/issues/17754"}, {"source": "cve@gitlab.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00041.html"}, {"source": "cve@gitlab.com", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Q6XGBKWSQFCVYUN4ZK3O3NJIFP3OAFVT/"}, {"source": "cve@gitlab.com", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R5AEK3XTOIOGCGUILUFISMGX54YJXWGJ/"}, {"source": "cve@gitlab.com", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/202210-04"}, {"source": "cve@gitlab.com", "tags": ["Third Party Advisory"], "url": "https://www.oracle.com/security-alerts/cpuapr2022.html"}, {"source": "cve@gitlab.com", "tags": ["Vendor Advisory"], "url": "https://www.wireshark.org/security/wnpa-sec-2021-18.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-4184.json"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "url": "https://gitlab.com/wireshark/wireshark/-/issues/17754"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00041.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2024/09/msg00049.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Q6XGBKWSQFCVYUN4ZK3O3NJIFP3OAFVT/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R5AEK3XTOIOGCGUILUFISMGX54YJXWGJ/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/202210-04"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.oracle.com/security-alerts/cpuapr2022.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.wireshark.org/security/wnpa-sec-2021-18.html"}], "sourceIdentifier": "cve@gitlab.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-835"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "wireshark: BitTorrent DHT dissector infinite loop", "id": "2039009", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2039009"}, "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": "draft"}, "cwe": "CWE-835", "details": ["Infinite loop in the BitTorrent DHT dissector in Wireshark 3.6.0 and 3.4.0 to 3.4.10 allows denial of service via packet injection or crafted capture file", "An infinite-loop flaw was found in Wireshark's DHT dissector module. This flaw allows an attacker with local network access to pass specially crafted capture files, causing an application to halt, crash or go into an infinite loop."], "name": "CVE-2021-4184", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "wireshark", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "wireshark", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "wireshark", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Will not fix", "package_name": "wireshark", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2021-12-29T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-4184\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-4184\nhttps://www.wireshark.org/security/wnpa-sec-2021-18.html"], "threat_severity": "Moderate"}

{}