{ "data_type": "CVE", "data_format": "MITRE", "data_version": "4.0", "CVE_data_meta": { "ID": "CVE-2021-4186", "ASSIGNER": "cve@gitlab.com", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "vendor_name": "Wireshark Foundation", "product": { "product_data": [ { "product_name": "Wireshark", "version": { "version_data": [ { "version_value": ">=3.4.0, <3.4.10" } ] } } ] } } ] } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "Null pointer dereference in Wireshark" } ] } ] }, "references": { "reference_data": [ { "name": "https://www.wireshark.org/security/wnpa-sec-2021-16.html", "url": "https://www.wireshark.org/security/wnpa-sec-2021-16.html", "refsource": "MISC" }, { "name": "https://gitlab.com/wireshark/wireshark/-/issues/17737", "url": "https://gitlab.com/wireshark/wireshark/-/issues/17737", "refsource": "MISC" }, { "name": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-4186.json", "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-4186.json", "refsource": "CONFIRM" }, { "refsource": "FEDORA", "name": "FEDORA-2022-a3d70b50f0", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2EY2VFBU3YGGWI5BW4XKT3F37MYGEQUD/" }, { "refsource": "FEDORA", "name": "FEDORA-2022-1daf93c51d", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/R5AEK3XTOIOGCGUILUFISMGX54YJXWGJ/" }, { "refsource": "FEDORA", "name": "FEDORA-2022-30411cb3c4", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Q6XGBKWSQFCVYUN4ZK3O3NJIFP3OAFVT/" }, { "refsource": "FEDORA", "name": "FEDORA-2022-48b86d586f", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3FH2J57GDA2WMBS6J56F6QQRA6BXQQFZ/" }, { "refsource": "GENTOO", "name": "GLSA-202210-04", "url": "https://security.gentoo.org/glsa/202210-04" } ] }, "description": { "description_data": [ { "lang": "eng", "value": "Crash in the Gryphon dissector in Wireshark 3.4.0 to 3.4.10 allows denial of service via packet injection or crafted capture file" } ] }, "impact": { "cvss": { "vectorString": "AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L", "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "version": "3.1", "baseScore": 6.2, "baseSeverity": "MEDIUM" } } }